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ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F 13/00)
Definition statement
This subclass/group covers:

Roof coverings including any similar kind of watertight covering against rain, snow, hail, or the like for other parts of buildings; sky-lights for flat or sloped roofs; roof drainage and gutters; roof-working tools

References relevant to classification in this group
This subclass/group does not cover:
Coverings of outer walls by plaster of other porous material
Outer coverings for walls not suitable for roof coverings
Solar heat collectors on roofs
Photovoltaic panels on or for roofs
Roof covering by making use of tiles, slates, shingles, or other small roofing elements (roofing supports {and underlayers} E04D 12/00)
Definition statement
This subclass/group covers:

Small roof covering elements, like grooved or vaulted tiles, slates, shingles (E04D 1/02 to E04D 1/22); Special small roof covering elements characterized by their structure or their purpose (E04D 1/24 to E04D 1/30); Fastenings for small roof covering elements and devices for sealing the spaces between small roof covering elements (E04D 1/34 to E04D 1/365).

References relevant to classification in this group
This subclass/group does not cover:
Roofing supports and under-layers
Outer covering for walls not suitable for roof covering
Solar heat collectors in the form of shingles or tiles
Roof tile elements including solar cells
Special rules of classification within this group

Use E04D 1/00 to E04D 1/36 to classify the additional non-inventive aspects

Grooved or vaulted roofing elements (E04D 1/28, E04D 1/30 take precedence)
Definition statement
This subclass/group covers:

Small grooved or vaulted roof covering elements, like Spanish, Roman or Barrel tiles

References relevant to classification in this group
This subclass/group does not cover:
Roofing elements comprising two or more layers, e.g. for insulation
Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
Special rules of classification within this group

Classify in E04D 1/04 to E04D 1/10 if the materials of the roofing elements are specified and in E04D 1/02 if they are not.

Classify according to the composition of the roofing elements and their geometry

Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface (E04D 1/28, E04D 1/30 take precedence)
Definition statement
This subclass/group covers:

Small roof covering elements having a flat outer surface, like plain tiles, shingles or slates

References relevant to classification in this group
This subclass/group does not cover:
Roofing elements comprising two or more layers, e.g. for insulation
Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
Special rules of classification within this group

Classify in E04D 1/14 to E04D 1/22 if the materials of the roofing elements are specified and in E04D 1/12 if they are not.

Classify according to the composition of the roofing elements and their geometry.

Roofing elements with cavities, e.g. hollow tiles (E04D 1/28 takes precedence)
Definition statement
This subclass/group covers:

Small roof covering elements having internal cavities in the thickness of the roof covering elements, e.g. hollow tiles

References relevant to classification in this group
This subclass/group does not cover:
Roofing elements comprising two or more layers, e.g. for insulation
Roofing elements comprising two or more layers, e.g. for insulation
Definition statement
This subclass/group covers:

Roofing elements comprising two or more layers, the layers having a thickness and not being simple coating layers

Informative references
Attention is drawn to the following places, which may be of interest for search:
Layered products
Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles (E04D 3/40, {E04D 13/03, E04D 13/14} take precedence)
Definition statement
This subclass/group covers:

Special small roof covering elements, characterized by their special purpose, like ridge tiles, turfing tiles, gutter tiles, gable tiles, ventilation tiles, special tiles allowing walking on the roof

References relevant to classification in this group
This subclass/group does not cover:
Slabs or sheets locally modified for auxiliary purposes
Sky-lights; domes; ventilating sky-lights
Junction of roof sheathings to chimneys or other parts extending above the roof
Devices for sealing the spaces or joints between roof-covering elements (sealing joints not restricted to roof-covering elements E04B 1/68; {channels at the intersection of roof surfaces E04D 13/0445} )
Definition statement
This subclass/group covers:

Devices for sealing the spaces or joints between small roof covering elements, like sealing-strips

References relevant to classification in this group
This subclass/group does not cover:
Sealing joints not restricted to roof-covering elements
Channels at the intersection of roof surfaces
Roof covering by making use of flat or curved slabs or stiff sheets (E04D 1/00 takes precedence; built-up roofs E04D 11/02)
References relevant to classification in this subclass/group
This subclass/group does not cover:
Roof covering by making use of tiles, slates shingles, or other small roofing elements
Strip-shaped roofing elements appearing as a row of shingles
Roof covering by making use of flexible material, e.g. roofing membranes
Built-up roofs
Roofing supports and under-layers
Outer covering for walls not suitable for roof covering
Roof slab elements comprising solar collectors
Roof slab elements comprising solar cells
Sunshades; Awnings
Coverings for buildings of particular purpose, e.g. bus shelters
Special rules of classification within this subclass/group

Use E04D 3/00 to E04D 3/405 to classify additional information

of plane slabs, slates, or sheets, or in which the cross-section is unimportant (E04D 3/35 takes precedence)
Definition statement
This subclass/group covers:

Roofing elements consisting of plane slabs, slates, or sheets not having ribs, corrugations or profiles protruding neither from the plane nor from the margins of the roofing element.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
Special rules of classification within this subclass/group

Classify in E04D 3/04 to E04D 3/18 if the materials of the roofing elements are specified and in E04D 3/02 if they are not.

of concrete or ceramics (of asbestos cement E04D 3/18)
References relevant to classification in this subclass/group
This subclass/group does not cover:
Plane slabs of asbestos cement
of glass or other translucent material; Fixing means therefor (fixing glass panes by means applicable to windows E06B 3/54)
Definition statement
This subclass/group covers:

:

Roof covering for buildings by making use of plane slabs or sheets of glass or other translucent material.

Fixing means specially adapted therefor.

References relevant to classification in this subclass/group
This subclass/group does not cover:

Sky-lights
Dormer-windows
Fixing glass panes by means applicable to windows
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roof covering for buildings by making use of slabs or sheets of glass or other translucent material having special cross-sections, i.e. curved, corrugated
Loggias
Bay windows
Greenhouses
Curtain walls
Hollow multi-walled translucent panels with integrated webs
Windows
Small buildings for limited occupation
Telephone cabinets
Special rules of classification within this subclass/group

Classify in E04D 3/08 to E04D 3/14 if glazing bars are included. Classify in E04D 3/06 either if glazing bars are not included, or if the plane slabs or sheets of glass or other translucent material have some special technical features.

Classify also in E04D 3/06 the plane multi-walled plastic roof-panels, even if only implicitly transparent or translucent, e.g. made of a plastic that is known for being transparent.

with metal glazing bars
References relevant to classification in this subclass/group
This subclass/group does not cover:
constructions of roof intersections or hipped ends
Informative references
Attention is drawn to the following places, which may be of interest for search:
details of the cross-sections of metallic profiles
with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like (E04D 3/35 takes precedence)
Definition statement
This subclass/group covers:

Roofing elements consisting of curved slabs or stiff sheets or of plane slabs or stiff sheets having ribs, corrugations, flanges or profiles protruding from the surface or the margins of the roofing element.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
Special rules of classification within this subclass/group

Classify in E04D 3/26 to E04D 3/34 if the materials of the roofing elements are specified and in E04D 3/24 if they are not.

of glass {or other translucent material}
Definition statement
This subclass/group covers:

Roof covering for buildings by making use of curved slabs or sheets or of plane slabs or sheets having ribs, corrugations, etc., the slabs or sheets being made of glass or other translucent material.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Hollow multi-walled translucent panels with integrated webs
Roof covering slabs or sheets of glass of other translucent material with specially profiled marginal portions for connecting purposes
Special rules of classification within this subclass/group

When glazing bars are present classify also in E04D 3/08 to E04D 3/14

of metal
Special rules of classification within this subclass/group

If the special technical features disclose only how the metal roofing elements are connected between themselves or in how they are fastened to the underlying roof structure, then classify only in E04D 3/36 or in its sub-groups.

Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation { (self-supporting roofing slabs laminated with layers of insulating material E04B 7/22; insulating devices or arrangements in the roof covering E04D 13/16; connecting, fastening of double roof covering E04D 3/3608) }
Definition statement
This subclass/group covers:

Waterproof roofing slabs or stiff sheets either flat or corrugated comprising two or more layers, e.g. for insulation, and used as roof covering.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Multi-layered self-supporting roof slabs, and not generally used as roof covering
Insulating devices or arrangements in the roof covering
Connecting, fastening of double roof covering
Informative references
Attention is drawn to the following places, which may be of interest for search:
Sandwich panels
Layered products
Special rules of classification within this subclass/group

Self-supporting multi-layered roof slabs, also used as roof coverings are classified both in E04B 7/20 to E04B 7/24 and in E04D 3/35 or its sub-groups.

Connecting; Fastening
Definition statement
This subclass/group covers:

Connecting, in the sense of connecting means to connect adjacent roofing slabs or stiff sheets together along their margins, directly or indirectly, e.g. through a bridging element.

Fastening, in the sense of fastening means to fasten roofing slabs or stiff sheets to the underlying roof structure.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Fastenings for attaching small roof-covering elements to the supporting elements
Roof covering slabs or sheets of glass of other translucent material with specially profiled marginal portions for connecting purposes
Multi-layered roofing slabs or stiff sheets comprising insulating layers, and in which the insulating layers of adjacent slabs have cooperating edges
Separate fastening elements fixed to the roof structure and consisting of parts permitting relative movement to the roof structure of the marginal portions of the slabs or sheets
Fastening means for roof coverings made of flexible materials
Apparatus or tools for roof working, for roof coverings comprising slabs or stiff sheets
Connection of slab-shaped building elements with each other
Separate fastening elements for wall coverings
Devices for fastening constructional elements together
Special rules of classification within this subclass/group

Fastening means of roofing slabs or stiff sheets, in their fields, to the underlying roof structure are classified in groups E04D 3/3601 to E04D 3/3608.

Fastening means of the borders of roofing slabs or stiff sheets to the underlying roof structure are classified in groups E04D 3/361 to E04D 3/369.

Connecting means between adjacent roofing slabs or stiff sheets are classified in groups E04D 3/361 to E04D 3/369.

In groups E04D 3/361 to E04D 3/368, additional small fastening elements, e.g. nails, screws, are not considered as separate connecting elements.

{of roof covering supported by the roof structure with interposition of a insulating layer (E04D 3/3607, E04D 3/3608, E04D 3/361 to E04D 3/369 take precedence) }
References relevant to classification in this subclass/group
This subclass/group does not cover:
Fastening means comprising spacer means adapted to the shape of the profiled roof covering
Fastening means for double roof covering or over-roofing
Connecting means between adjacent roofing slabs
{the fastening means being screws or nails}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Apparatus or tools for roof working, for roof coverings comprising slabs or stiff sheets
Apparatus or tools for fixing roofing slabs or stiff sheets to the roof structure, by nailing, by screwing
{of roof covering supported directly by the roof structure (E04D 3/3607, E04D 3/3608, E04D 3/361 to E04D 3/369 take precedence) }
References relevant to classification in this subclass/group
This subclass/group does not cover:
Fastening means comprising spacer means adapted to the shape of the profiled roof covering
Fastening means for double roof covering or over-roofing
Connecting means between adjacent roofing slabs
{the fastening means being screws or nails}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Apparatus or tools for roof working, for roof coverings comprising slabs or stiff sheets
Apparatus or tools for fixing roofing slabs or stiff sheets to the roof structure, by nailing, by screwing
{the fastening means comprising spacer means adapted to the shape of the profiled roof covering}
Definition statement
This subclass/group covers:

Fastening means for a profiled roof-covering, comprising spacer means in between the roof covering and the underlying roof structure, the spacer means being adapted to the shape of the profiled roof covering.

{for double roof covering or overroofing}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Insulating of pre-existing roofs
Inverted roofs
by specially-profiled marginal portions of the slabs or sheets
Definition statement
This subclass/group covers:

Connecting adjacent roofing slabs or stiff sheets together by specially-profiled marginal portions of the slabs or sheets, e.g. standing seams, optionally with additional fastening of the border of the slabs or sheets to the underlying roof structure.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Connections of slab-shaped building elements, by means between frontal surfaces, i.e. edge surfaces
Joining sheets or panels to one another or to strips parallel to them; in abutting relationship
Special rules of classification within this subclass/group

Use E04D 3/36 to E04D 3/369 to classify additional information.

For multi-layered roofing slabs classify according to the marginal portions of the upper roofing layer of the roofing slabs.

Connections of opaque roofing slabs, by specially profiled marginal portions of the slabs, and in the thickness of the slab, should also be classified in E04D 2003/3617; connections of glass, transparent or translucent roofing slabs, by specially profiled marginal portions of the slabs, should be classified in E04D 2003/285.

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Standing seam
A seam between two adjacent roofing slabs or sheets, consisting of two adjacent and upwardly oriented marginal portions of the two slabs or sheets
by locking the edge of one slab or sheet within theprofiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
Definition statement
This subclass/group covers:

Connecting adjacent roofing slabs or stiff sheets together by specially-profiled marginal portions of the slabs or sheets and by locking the specially-profiled marginal portion of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, with or without separate connecting means.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Connecting adjacent roofing slabs or stiff sheets together by specially profiled marginal portions of the slabs or sheets by folding of the edges
Informative references
Attention is drawn to the following places, which may be of interest for search:
With snap action
Special rules of classification within this subclass/group

Additional small fastening elements, e.g. nails, screws, are not considered to be separate connecting elements.

When it is explicit that there is a snap action, E04D 3/363 takes precedence

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Locking the marginal portions of the slabs or sheets
Completely limiting movement of the marginal portions of the slabs or sheets in a direction perpendicular to the edge of the slabs or sheets
with snap action (E04D 3/366 takes precedence)
Definition statement
This subclass/group covers:

Connecting adjacent roofing slabs or stiff sheets together by specially-profiled marginal portions of the slabs or sheets with snap action, the snap action occurring directly between the two adjacent specially-profiled marginal portions or between at least one specially-profiled marginal portion and a fastening element to the underlying roof structure.

References relevant to classification in this subclass/group
This subclass/group does not cover:
By closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
Informative references
Attention is drawn to the following places, which may be of interest for search:
Connecting adjacent roofing slabs or stiff sheets together by locking the specially-profiled marginal portion of one slab or sheet within the specially-profiled marginal portion of the adjacent slab or sheet
Special rules of classification within this subclass/group

Connecting means between adjacent roofing slabs or sheets in which there is only a snap action between the slabs or sheets and a bridging element, and not directly between the marginal portions of the slabs or sheets or between said marginal portions and a fastening element to the underlying roof structure, are classified in E04D 3/366.

by folding of the edges
Definition statement
This subclass/group covers:

Connecting adjacent roofing slabs or stiff sheets together by specially-profiled marginal portions of the slabs or sheets, by folding of the edges of the roofing slabs or stiff sheets, e.g. rolled seams, after the roofing slabs or stiff sheets have been mounted on the roof.

References relevant to classification in this subclass/group
This subclass/group does not cover:
By forcing together the marginal portions of adjacent slabs or sheets, e.g. crimping, clamping
Informative references
Attention is drawn to the following places, which may be of interest for search:
Working apparatus or tools for roof covering comprising flexible sheets, e.g. metallic sheets
Connecting metallic sheets by folding
by simple overlapping of the marginal portions with use of separate connecting elements, e.g. hooks or bolts for corrugated sheets
Definition statement
This subclass/group covers:

Connecting of adjacent roofing slabs or stiff sheets by simple overlapping of the marginal portions, with or without the use of separate connecting elements, e.g. roof-tile like connections and connections allowing movement in a direction perpendicular to the joint.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Connecting by means of standing seams
E04D1/361 to E04D1/364
Informative references
Attention is drawn to the following places, which may be of interest for search:
Connecting adjacent roofing slabs or stiff sheets together by specially-profiled marginal portions of the slabs or sheets
Special rules of classification within this subclass/group

Additional small fastening elements, e.g. nails, screws, are not considered to be separate connecting elements.

For multi-layered roofing slabs classify according to the features of the marginal portions of the upper roofing layer.

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Standing seam
A seam between two adjacent roofing slabs or sheets, consisting of two adjacent and upwardly oriented marginal portions of the two slabs or sheets
by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
Definition statement
This subclass/group covers:

Connecting of adjacent roofing slabs or stiff sheets by closing the space between the slabs or sheets by structural or non-structural gutters, bulges, or bridging elements, not forcing together the marginal portions of the slabs or sheets, e.g. by caps protecting the connection against the weather, by bridging elements having also a structural function, by non-structural strip like bridging elements inserted into grooves in the thickness of the roofing slabs, by gutters draining the water at the joint between the slabs.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Bridging elements forcing, e.g. crimping or clamping, the marginal portions of adjacent slabs or sheets
Informative references
Attention is drawn to the following places, which may be of interest for search:
Devices for sealing spaces or joints between roof-covering elements
Connections of slab-shaped building elements, by means between frontal surfaces, i.e. edge surfaces
Joining sheets or panels to one another in abutting relationship
Special rules of classification within this subclass/group

Connections between adjacent roofing slabs or sheets not presenting a gap between the slabs or sheets are also classified in E04D 3/366, provided there is a bridging element, e.g. cap, gutter, strip.

Connections between adjacent roofing slabs or sheets through a bridging element exerting a snap action are also classified here.

Roofs having rafters or supporting elements which also perform the function of bridging elements between the roofing slabs should also be classified in this group.

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Bulge
separate bridging element
by forcing together the marginal portions of adjacent slabs or sheets
Definition statement
This subclass/group covers:

Connecting adjacent roofing slab or sheets by forcing together, e.g. crimping or clamping, the marginal portions of the adjacent slabs or sheets.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Connecting by means of bridging elements not forcing together the marginal portions of adjacent slabs or sheets
Connecting by folding of the edges of the roofing slabs or stiff sheets, e.g. rolled seams
Informative references
Attention is drawn to the following places, which may be of interest for search:
Working apparatus or tools for roof covering comprising flexible sheets, e.g. metallic sheets
Connecting metallic sheets by folding
by welding of the marginal portions of adjacent slabs or sheets {also by soldering, glueing}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Working apparatus or tools for roof covering comprising flexible sheets, e.g. metallic sheets
Resistance welding of metals
Welding of plastics
Devices for sealing spaces or joints between roof-covering elements (E04D 3/36 takes precedence; sealing joints not restricted to roof-covering elements E04B 1/68)
References relevant to classification in this subclass/group
This subclass/group does not cover:
Roof-covering elements connecting means; roof-covering elements fastening means
Bridging devices connecting adjacent roofing slabs or sheets and sealing the spaces or joints in between
Bridging devices forcing together the marginal portions of adjacent roofing slabs or sheets and sealing the spaces or joints in between
Sealing joints not restricted to roof-covering elements
Informative references
Attention is drawn to the following places, which may be of interest for search:
Devices for sealing the spaces or joints between small roof-covering elements, ridge sealing
Slabs or sheets locally modified for auxiliary purposes, e.g. for resting on walls, for serving as guttering; Elements for particular purposes, e.g. ridge elements, specially designed for use in conjunction with slabs or sheets ( {E04D 13/15 and E04D 13/174 take precedence; ridge sealing E04D 1/36; solar collectors F24J 2/00; photovoltaic devices H01L 31/00} )
References relevant to classification in this subclass/group
This subclass/group does not cover:
Ridge sealing
Trimming strips; edge strips; fascias
Gutters
Ventilation of roof coverings, on the ridge of the roof
Solar collectors on roofs
Photovoltaic devices on roofs
Informative references
Attention is drawn to the following places, which may be of interest for search:
Drainage of the roof surface
Ventilation of roof coverings
{Wall copings}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Top wall-plates
Roof covering by making use of flexible material, e.g. supplied in roll form (using stiff sheets E04D 3/00; gravelling of flat roofs E04D 7/00; {granulated roof covering E04D 7/005} ; built-up roofs E04D 11/02)
Definition statement
This subclass/group covers:

Roof covering by making use of flexible material of substantial dimensions, like flexible membranes, flexible sheets, flexible foils supplied in roll form

References relevant to classification in this group
This subclass/group does not cover:
Roof covering using stiff sheets
Gravelling of flat roofs; roof covering exclusively consisting of sealing masses applied in situ
Granulated roof covering
Built-up roofs
Informative references
Attention is drawn to the following places, which may be of interest for search:
Layered products
Roofing felt
Apparatus or tools for roof working, for roof coverings comprising flexible material
Apparatus or tools for handling roofing or sealing material in roll form
Special rules of classification within this group

Use E04D 5/00 to E04D 5/149 to classify the additional information

of materials impregnated with sealing substances, e.g. roofing felt
Definition statement
This subclass/group covers:

Roof covering by making use of flexible materials impregnated with sealing substances, e.g. roofing felt impregnated with asphalt or bitumen

References relevant to classification in this group
This subclass/group does not cover:
Roof covering by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
Roof covering by making use of flexible material specially modified, e.g. perforated, with granulated surface, with attached pads
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roofing felt
by making use of metal foils
Definition statement
This subclass/group covers:

Roof covering by making use of flexible metal foils. like flexible metal foils supplied in roll form

References relevant to classification in this group
This subclass/group does not cover:
Roof covering by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
Roof covering by making use of flexible material specially modified, e.g. perforated, with granulated surface, with attached pads
by making use of plastics
Definition statement
This subclass/group covers:

Roof covering by making use of flexible sheets, membranes or foils of plastics, like plastic sheets supplied in roll form

References relevant to classification in this group
This subclass/group does not cover:
Roof covering by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
Roof covering by making use of flexible material specially modified, e.g. perforated, with granulated surface, with attached pads
Informative references
Attention is drawn to the following places, which may be of interest for search:
Producing foils from plastics or substances in a plastic state
Special rules of classification within this group

Asphalt or bitumen are not considered plastics in E04D 5/06

by making use of other materials
Definition statement
This subclass/group covers:

Roof covering by making use of flexible foils, sheets or membranes consisting of materials not covered by groups E04D 5/02 to E04D 5/06

References relevant to classification in this group
This subclass/group does not cover:
Roof covering by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
Roof covering by making use of flexible material specially modified, e.g. perforated, with granulated surface, with attached pads
by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
Definition statement
This subclass/group covers:

Roof covering by making use of flexible foils. sheets or membranes consisting of compounded or laminated materials, e.g. flexible metal foils or plastic films coated with bitumen

References relevant to classification in this group
This subclass/group does not cover:
Roof covering by making use of flexible material specially modified, e.g. perforated, with granulated surface, with attached pads
Informative references
Attention is drawn to the following places, which may be of interest for search:
Layered products
Special rules of classification within this group

Flexible roofing materials impregnated with sealing substances, e.g. roofing felt impregnated with asphalt or bitumen, are not considered compounded or laminated materials in E04D 5/10, and are classified in E04D 5/02

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Compounded materials
Combination of materials, except flexible roofing materials impregnated with sealing substances
specially modified, e.g. perforated, with granulated surface, with attached pads
Definition statement
This subclass/group covers:

Roof covering by making use of specially modified flexible foils. sheets or membranes, like flexible foils, sheets or membranes having features that are not continuous in both length and/or width directions, e.g. perforated membranes, or having a surface that is not smooth, e.g. a granulated surface, or having attached pads

Informative references
Attention is drawn to the following places, which may be of interest for search:
Fastening means for roof coverings comprising flexible materials
Fastening means therefor
Definition statement
This subclass/group covers:

Fastening means for roof coverings comprising flexible materials

Informative references
Attention is drawn to the following places, which may be of interest for search:
Apparatus or tools for roof working, for roof coverings comprising flexible material
Fastening means to fasten roofing slabs or stiff sheets to the roof structure
Flexible roof covering materials specially modified, e.g. perforated, with granulated surface, with attached pads
Devices for fastening constructional elements together
{Mechanical fastening means}
Definition statement
This subclass/group covers:

Mechanical fastening means for flexible roof covering material, like nails, screws, discs, clips, strips perforating or not the flexible material

References relevant to classification in this subclass/group
This subclass/group does not cover:
Mechanincal fasteners per se, e.g. nails, bolts, screws, discs, clips, if not specially adapted or indicated as fastening means for flexible roof covering material
Informative references
Attention is drawn to the following places, which may be of interest for search:
Apparatus for fixing a flexible material to the roof supporting structure, by nailing, by screwing
{Discrete fastening means, e.g. discs or clips}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Fastening of roofing slabs or stiff sheets to the roof structure, the fastening means being screws or nails
{not perforating the flexible material}
References relevant to classification in this group
This subclass/group does not cover:
Fastening by gluing
Fastening by welding
{fastening by gluing}
Definition statement
This subclass/group covers:

Fastening of flexible roof covering material by making use of glue or adhesive

Informative references
Attention is drawn to the following places, which may be of interest for search:
Tools for applying glue in general
Joining sheets or webs of paper, cardboard, metal foil or plastic by adhesives
Gluing of plastics
Adhesive films or foils
Adhesives
Attachment devices using adhesives
{fastening by welding}
Definition statement
This subclass/group covers:

Fastening of flexible roof covering material by welding

Informative references
Attention is drawn to the following places, which may be of interest for search:
Soldering, welding of metal
Welding of plastics
Roof covering {exclusively consisting of} sealing masses applied in situ; Gravelling of flat roofs
Definition statement
This subclass/group covers:

Roof coverings where the roof covering layer is formed by sealing masses, e.g. asphalt, bitumen, applied in situ;

Gravelling of roofs by applying loss gravel or granules in situ

Informative references
Attention is drawn to the following places, which may be of interest for search:
Sealing of building surfaces with sealing masses applied in situ
Sealing of building joints with sealing masses applied in situ
Bituminous sealing masses
{characterised by loose or embedded gravel or granules as an outer protection of the roof covering}
Definition statement
This subclass/group covers:

Gravelling of roofs by applying loose gravel or granules in situ, as an outer protection of the roof covering

References relevant to classification in this subclass/group
This subclass/group does not cover:
Flexible roof covering materials, e.g. membranes or sheets, having a pre-made granulated surface
Roof covering by using straw, thatch, or like materials (impregnation against incendiary damage B27K)
Informative references
Attention is drawn to the following places, which may be of interest for search:
Impregnation against incendiary damage
Roof covering, as far as not restricted to features covered by only one of groups E04D 1/00 to E04D 9/00; Roof covering in ways not provided for by groups E04D 1/00 to E04D 9/00, {e.g. built-up roofs, elevated load-supporting roof coverings}
References relevant to classification in this subclass/group
This subclass/group does not cover:

Places in relation to which this subclass/group is residual:

Supports for elevated load-supporting roof coverings
Special rules of classification within this subclass/group

Use E04D 11/00 to E04D 11/02 to classify additional information

{consisting of two or more layers, at least one of the layers permitting turfing of the roof}
References relevant to classification in this subclass/group
This subclass/group does not cover:
Turfing tiles
Informative references
Attention is drawn to the following places, which may be of interest for search:
Growing turf
{ Supports for elevated load-supporting roof coverings [M1207}
Definition statement
This subclass/group covers:

Supports, e.g. height-adjustable spacers, for load-supporting roof coverings on roofs, e.g. for elevated terrace floors on flat roofs.

Informative references
Attention is drawn to the following places, which may be of interest for search:
Devices allowing walking on the roof or in the gutter
Supporting structures for sectional false floors
Special rules of classification within this subclass/group

Documents having tiles resting directly on the flat roofing surface without separate supports or spacers between the roofing surface and the tiles, e.g. normal terrace floors on flat roofs, should be classified in E04D 11/00.

Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition (gravelling of flat roofs E04D 7/00; venting or ventilation E04D 13/17)
References relevant to classification in this subclass/group
This subclass/group does not cover:
Gravelling of flat roofs
Venting or ventilation of roof coverings
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roof covering by making use of flexible material, e.g. supplied in roll form
Roof underlay membranes
Special rules of classification within this subclass/group

Roof covering consisting of only one layer of flexible material should be classified in E04D 5/00 to E04D 5/149.

Documents having tiles resting directly on the flat roofing surface without separate supports or spacers between the roofing surface and the tiles, e.g. normal terrace floors on flat roofs, should be classified in E04D 11/00

Non-structural supports for roofing materials, e.g. battens, boards (E04D 11/02 {and E04D 13/16} take precedence; {self-supporting slabs with non-structural supports for roofing materials E04B 7/205} )
References relevant to classification in this subclass/group
This subclass/group does not cover:
Built-up roofs
Roof covering insulation
Self-supporting slabs with non-structural supports for roofing materials
Roof constructions consisting of a plurality of parallel similar trusses supporting load-bearing purlins
Special rules of classification within this subclass/group

Non-structural boards which support battens and/or roofing materials should be classified in E04D 12/00.

If the roof battens or roof purlins, as such, have some relevant special feature, then always give a class in E04D 12/004.

Use E04D 12/00 to E04D 12/008 to classify additional information.

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Roof batten or roof purlin
In an inclined roof, an horizontal profile, e.g. wooden or metallic, for directly supporting the roof covering elements consisting of shingles, tiles, roofing slabs or stiff sheets; the roof battens or roof purlins are supported by the roof rafters, extending in the direction of the roof slope, or on the roof surface, e.g. for a roof made of concrete slabs.
{Sheets of flexible material, e.g. roofing tile underlay}
Definition statement
This subclass/group covers:

Sheets of flexible material, both water/vapour permeable or not, used as roof underlay and not as roof covering

References relevant to classification in this subclass/group
This subclass/group does not cover:
Roof covering by making use of flexible material
Informative references
Attention is drawn to the following places, which may be of interest for search:
House wraps, i.e. air or moisture barrier sheets or foils
Manufacture of semi-permeable membranes
B061D67/00 - B01D 71/00
{Battens}
Definition statement
This subclass/group covers:

Battens for supporting roof covering elements as defined in groups E04D 1/00 to E04D 3/40, i.e. small roof covering elements, roofing slabs or stiff sheets.

References relevant to classification in this subclass/group
This subclass/group does not cover:
Self-supporting slabs with non-structural supports for roofing materials
Roof constructions consisting of a plurality of parallel similar trusses supporting load-bearing purlins
Special rules of classification within this subclass/group

If the roof battens or roof purlins, as such, have some relevant special features, then always give a class in E04D 12/004

{Batten-supporting means}
Definition statement
This subclass/group covers:

Batten-supporting means located between the roof structure, e.g. rafters, and the battens

{Ridge-batten brackets}
Definition statement
This subclass/group covers:

Specially adapted brackets to support the ridge-batten

Special arrangements or devices in connection with roof coverings; {Protection against birds} ; Roof drainage; {Sky-lights} (ventilation tiles E04D 1/30; ventilation slabs E04D 3/40; internal channels E04F 17/00; elements therefor, see the relevant groups)
Definition statement
This subclass/group covers:

Provisions against atmospheric, e.g. wind vortex suppression, vegetal or animal influences on roofs (E04D 13/002 to E04D 13/008); Sky-lights, domes and roof covering aspects thereof (E04D 13/02 to E04D 13/0358); Roof drainage, roof gutters, down pipes (E04D 13/04 to E04D 13/08); Special devices or arrangements for roofs, e.g. snow-traps, junctions of roof sheathings to chimneys, roof trimming strips, roof edge strips, fascias (E04D 13/14 to E04D 13/1585); Insulating devices for the roof covering (E04D 13/16 to E04D 13/1693); Ventilation of roof coverings (E04D 13/17 to E04D 13/178)

References relevant to classification in this group
This subclass/group does not cover:
Ventilation tiles
Solar collectors on roofs
Photovoltaic devices on roofs, e.g. solar cells
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ventilation roofing slabs
Apparatus or tools for roof working
Internal channels, e.g. drainage channels, chimneys, air-ducts
{Provisions for preventing vegetational growth, e.g. fungi, algae or moss}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Biocides, plant growth regulators
{Protection against birds, mice or the like (scaring devices for birds in general A01M 29/00) }
Informative references
Attention is drawn to the following places, which may be of interest for search:
Scaring devices for birds in general
Biocides, pest repellants or attractants
Ventilation on the eaves of the roof
Roof-covering aspects of dormer windows (E04D 13/14 takes precedence; structures therefor E04B 7/18)
Definition statement
This subclass/group covers:

Sealing between the structure of dormer windows and the roof covering

References relevant to classification in this group
This subclass/group does not cover:
Roof covering aspects of sky-lights
Junctions of roof sheathings to chimneys or other parts extending above the roof
Informative references
Attention is drawn to the following places, which may be of interest for search:
Structures for dormer windows
Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Dormer window
Roof window set in a structure that is protruding from the surface of a sloping roof; the window itself is substantially vertical
Sky-lights; Domes; Ventilating sky-lights (E04D 13/14 takes precedence; structures therefor, {e.g. dormer windows} E04B 7/18; {saw-tooth roofs with light-transmission E04B 7/12} )
Definition statement
This subclass/group covers:

Roof sky-lights of flat, domed or vaulted shape, their structures, their mechanisms, their connecting means to the roof structure, their ventilating means, their safety means and other means or accessories therefor

References relevant to classification in this group
This subclass/group does not cover:
Junctions of roof sheathings to chimneys or other parts extending above the roof
Informative references
Attention is drawn to the following places, which may be of interest for search:
Saw-tooth roofs with light-transmission
Structures for dormer windows
Roof covering by making use of plane slabs of glass or translucent material
Roof covering by making use of slabs having a special cross-section and made of glass or other translucent material
Windows in general
Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Sky-light
Window, roof lantern or oculus placed on the roof of a building and which is horizontal or parallel to the surface of the roof
Dome
Roof window having a domed shape, i.e. being curved along any two perpendicular directions
Vaulted shape
Having the shape of a vault, i.e. being curved along one direction only, like a cylinder
{characterised by a frame for connection to an inclined roof}
Definition statement
This subclass/group covers:

Sky-lights or domes having a frame mainly installed in the plane of a sloping roof.

References relevant to classification in this group
This subclass/group does not cover:
Sky-lights or domes having a curb frame installed in the plane of a sloping roof
{characterised by a curb frame}
Definition statement
This subclass/group covers:

Sky-lights or domes having a curb frame installed either on a sloping roof or on a flat roof

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Curb frame
Raised frame, i.e. a frame that raises from the surface of the roof
Synonyms and Keywords
Curb
Kerb
{Supports or connecting means for sky-lights of vaulted shape}
Definition statement
This subclass/group covers:

Supports or connecting means for all kinds of elongated sky-lights, i.e. comprising sky-lights of vaulted shape, but also saddle-roof like elongated sky-lights

{provided with ventilating means (roof ventilationF24F 7/02) }
Informative references
Attention is drawn to the following places, which may be of interest for search:
Junction of roof sheathings to parts extending above the roof with ventilating means
Ventilation of roof coverings not otherwise provided for, e.g. ridge or eaves ventilation
Ventilation roofing slabs
Roof ventilation
{provided with means for controlling the light-transmission or the heat-reflection, (e.g. shields, reflectors, cleaning devices) }
Informative references
Attention is drawn to the following places, which may be of interest for search:
Window shutters
Light shafts, e.g. for cellars
Window screens affording protection against light
Daylight conveying tubular skylights, with skylight shafts
{Skylight guards, security devices protecting skylights or preventing objects or persons from falling through skylight openings}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Safety or protective measures for persons during the construction of buildings
Shutters, movable grilles for windows
Safety measure against unauthorised opening of windows
characterised by having movable parts { (preventing the spread of fire A62C 3/00; roof structures with movable roof parts E04B 7/16; operating mechanisms for sky-lights E05F 11/00; automatically acting closers E05F 17/00) }
Definition statement
This subclass/group covers:

Sky-lights or domes having movable parts for opening and/or closing, e.g. for ventilation or for preventing the spread of fire

Informative references
Attention is drawn to the following places, which may be of interest for search:
Preventing the spread of fire
Roof structures with movable roof parts
Operating mechanisms for sky-lights
Automatically acting closers
Devices triggered by fire, excessive heat or smoke
R24F209/68
Roof drainage; Drainage fittings in flat roofs, {balconies or the like} (gutter tiles E04D 1/30; gutter slabs E04D 3/40; {vessels for collecting rainwater E03B 3/03;} street gullies E03F 5/04)
Definition statement
This subclass/group covers:

Drainage in or on the field of the roof, drainage fittings in flat roofs, balconies or the like (E04D 13/04 to E04D 13/0481) .

Roof gutters, down pipes and accessories therefor (E04D 13/064 to E04D 13/08)

Informative references
Attention is drawn to the following places, which may be of interest for search:
Vessels for collecting rainwater
Street gullies
Gutter tiles
Gutter slabs
{Drainage outlets, e.g. gullies}
Definition statement
This subclass/group covers:

Drainage devices located in or on the roof surface or its perimeter for receiving water from the roof surface before it reaches the ground, the devices having limited extension and being only located at specific locations in or on the roof surface or its perimeter, e.g. roof gullies

Informative references
Attention is drawn to the following places, which may be of interest for search:
Street gullies
{Drainage channels}
Definition statement
This subclass/group covers:

Gutters in or on the roof surface for draining water, e.g. inclined valley gutters

{Drainage borders, e.g. dripping edges, gravel stops or dispersers}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Trimming strips; Edge strips; Fascias
{Underroof drainage layers (layers permitting turfing of the roof E04D 11/002) }
Definition statement
This subclass/group covers:

Drainage layers under the outer surface of the roof, e.g. drainage layer under the tiles of a terrazzo style flat roof

References relevant to classification in this group
This subclass/group does not cover:
roofing tiles flexible underlays
Informative references
Attention is drawn to the following places, which may be of interest for search:
Layers permitting turfing of the roof
Gutters {drainage channels on the roof surface E04D 13/0445; gutters for greenhouses A01G 9/1476}
Definition statement
This subclass/group covers:

Roof gutters around the borders of sloping roofs

References relevant to classification in this group
This subclass/group does not cover:
Drainage channels on the roof surface, e.g. inclined valley gutters
Informative references
Attention is drawn to the following places, which may be of interest for search:
Gutters for greenhouses
Apparatus or tools for roof working
Means for fastening gutter parts together
References relevant to classification in this group
This subclass/group does not cover:
Connections between gutter and down pipe
Informative references
Attention is drawn to the following places, which may be of interest for search:
Apparatus or tools for roof working; for handling roofing material in roll form
Hanging means (in combination with means for fastening gutter parts together {E04D 13/0685} )
Definition statement
This subclass/group covers:

Supports connecting gutter to roof

References relevant to classification in this group
This subclass/group does not cover:
Supports connecting gutter to roof in combination with means for fastening gutter parts together
Devices or arrangements for removing snow, ice or debris from gutters or for preventing accumulation thereof
Informative references
Attention is drawn to the following places, which may be of interest for search:
Apparatus or tools for roof working
Special rules of classification within this group

Devices for mechanically removing snow from gutters are classified in E04D 13/076

{ De-icing devices or snow melters}
Definition statement
This subclass/group covers:

De-icing devices and snow melters for gutters

References relevant to classification in this group
This subclass/group does not cover:
Devices for mechanically removing snow from gutters
Snow melters for roofs
De-icing devices for roof gullies
De-icing devices for down pipes
Informative references
Attention is drawn to the following places, which may be of interest for search:
De-icing of aircraft exteriors
De-icing of aerials
De-icing of electric lines
{Cleaning tools}
Definition statement
This subclass/group covers:

Cleaning tools for roof gutters

References relevant to classification in this group
This subclass/group does not cover:
Devices for mechanically removing snow from gutters
Informative references
Attention is drawn to the following places, which may be of interest for search:
Brushes in general
Cleaning devices in general
{ Strainers at connection between gutter and down pipe}
Informative references
Attention is drawn to the following places, which may be of interest for search:
Strainers for roof drainage outlets, e.g. gullies
Down pipes; Special clamping means therefor (clamping pipes in general F16B, F16L)
Definition statement
This subclass/group covers:

Down pipes for roof gutters, and clamping means therefor

Informative references
Attention is drawn to the following places, which may be of interest for search:
Clamping pipes in general
{ De-icing devices or snow melters (for drainage outlets E04D 13/0409, for gutters E04D 13/0762, for down pipes E04D 13/08) }
Definition statement
This subclass/group covers:

Snow melters and de-icing devices on the roof surface

References relevant to classification in this group
This subclass/group does not cover:
De-icing devices and snow melters for gutters
De-icing devices and snow melters for down pipes
De-icing devices and snow melters for roof gullies
Informative references
Attention is drawn to the following places, which may be of interest for search:
De-icing of aircraft exteriors
De-icing of aerials
De-icing of electric lines
Methods for preventing ice formation on roads
Embedded electrical heating elements in road surfaces
Devices or arrangements allowing walking on the roof or in the gutter
Definition statement
This subclass/group covers:

Permanent installation on flat and inclined roofs allowing walking

References relevant to classification in this group
This subclass/group does not cover:
Terraces on flat roofs; elevated terraces on flat roofs
Informative references
Attention is drawn to the following places, which may be of interest for search:
Means for working on roofs, during the construction
Arrangements on buildings for connecting safety-lines, during the construction
Step tiles
Junctions of roof sheathings to chimneys or other parts extending above the roof
Informative references
Attention is drawn to the following places, which may be of interest for search:
Internal channels, e.g. chimneys, air-ducts
{Junctions to walls extending above the perimeter of the roof (trimming strips, edge strips or fascias retaining the roof sheathing E04D 13/155) }
Informative references
Attention is drawn to the following places, which may be of interest for search:
Junctions of roof sheathings to parts extending above the roof with ventilating means
Junction to walls extending above the perimeter of inclined roofs
Trimming strips, edge strips, or fascias retaining the roof sheathing
with ventilating means {in junctions of roof sheathings to parts extending above the roof}
Definition statement
This subclass/group covers:

Junctions of roof sheathings to chimneys or other parts extending above the roof provided with ventilating means

Informative references
Attention is drawn to the following places, which may be of interest for search:
Junction to walls extending above the perimeter of flat roofs
Junction to walls extending above the perimeter of inclined roofs
specially adapted for inclined roofs {trays for cavity walls E04B 1/70}
Definition statement
This subclass/group covers:

Junctions of roof sheathings to chimneys or other parts extending above an inclined roof, the junctions being specially adapted for inclined roofs

References relevant to classification in this group
This subclass/group does not cover:
Trays for cavity walls
Special rules of classification within this group

Deformable junction strips which are shaped in situ should be classified here, e.g. junction strips made of a deformable material

{ specially adapted to the cross-section of the parts extending above the roof}
Definition statement
This subclass/group covers:

Preformed junctions specially adapted for inclined roofs and to the cross-section of the parts extending above the inclined roof

References relevant to classification in this group
This subclass/group does not cover:
Deformable junction strips which are shaped in situ
Special rules of classification within this group

Classify also in E04D 13/1478 when the part extending above the roof has walls, e.g. walls of a chimney made of bricks

Trimming strips; Edge strips; Fascias; {Expansion joints for roofs (wall copings E04D 3/405; drainage borders E04D 13/0459; joints in general E04B 1/68) }
Definition statement
This subclass/group covers:

Trimming strips for roofs, roof edge strips, elements for covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs, roof fascias

References relevant to classification in this group
This subclass/group does not cover:
Junctions of roof sheathings to chimneys or other parts, e.g. walls, extending above the roof
Wall copings
Informative references
Attention is drawn to the following places, which may be of interest for search:
Joints in general
Drainage borders
Special rules of classification within this group

If drainage aspects are present, e.g. weeping holes, classify also in E04D 13/0459, E04D 13/0459

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Fascias
In a sloped roof, vertical covering part of the cornice, i.e. of the roof eaves overhang
Soffits
In a sloped roof, horizontal covering part of the underside of the cornice, i.e. of the roof eaves overhang
Edge strip
Finishing strip around the border of a roof
with ventilating means {in soffits or fascias; (on the eaves of the roof E04D 13/178) }
Informative references
Attention is drawn to the following places, which may be of interest for search:
With ventilating means on the eaves of the roof
retaining the roof sheathing
Definition statement
This subclass/group covers:

Edge strips or fascias retaining the roof sheathing

References relevant to classification in this group
This subclass/group does not cover:
Junctions of roof sheathings to walls, extending above the perimeter of a flat roof
Junctions of roof sheathings to walls, extending above an inclined roof
covering the overhang at the eave side, e.g. soffits, or the verge of saddle roofs
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ventilating means in soffits or fascias
Special rules of classification within this group

Fascia boards and soffits coverings are classified in E04D 13/158

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
verge of saddle roof
the edge of a saddle (gable) roof at the gable wall
{covering the verge of saddle roofs (gable tiles E04D 1/30) }
References relevant to classification in this group
This subclass/group does not cover:
Gable tiles
Insulating devices or arrangements in so far as the roof covering is concerned, {e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure}
Definition statement
This subclass/group covers:

Insulation of the roof covering integrated in the roof covering structure, e.g. the insulation being positioned above, between or below the roof purlins; insulation for roofs made of corrugated sheets; insulation applied above the roof covering, e.g. inverted roofs; insulation of pre-existing roofs; insulation of roof coverings, the insulation having provisions for roof drainage.

References relevant to classification in this group
This subclass/group does not cover:
Roofing slabs or stiff sheets comprising two or more layers, at least one of the layers being of insulating material
Self-supporting roof slabs having insulating properties
{ Insulation of the roof covering characterised by its integration in the roof structure (self-supporting insulating slabs E04B 7/22, E04B 7/225) }
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roof insulation arrangement in which the insulating material has provisions for roof drainage
Ventilation of roof coverings not otherwise provided for
{ the roof structure comprising a supporting framework of roof purlins or rafters}
Informative references
Attention is drawn to the following places, which may be of interest for search:
The insulating material being masses or granules applied in situ
{with means for fixing the insulating material between the roof covering and the upper surface of the roof purlins or rafters}
Definition statement
This subclass/group covers:

Roof insulating arrangements in which the insulating material is fixed between the roof covering and the upper surface of the roof purlins or rafters, with or without special fixing means

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Purlins
Battens
{with means for supporting the insulating material between the purlins or rafters (insulating layers disposed between two longitudinal supporting elements E04B 1/7654) }
Definition statement
This subclass/group covers:

Roof insulating arrangements in which the insulating material is supported between the roof purlins or rafters, with or without special fixing means

Informative references
Attention is drawn to the following places, which may be of interest for search:
Insulating layers disposed between two longitudinal supporting elements
Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:
Purlins
Battens
{the means deriving from the nature or the shape of the insulating material itself}
Definition statement
This subclass/group covers:

Roof insulating arrangements in which the insulating material is supported between the roof purlins or rafters, by means deriving from the nature or the shape of the insulating material itself, e.g. expanding insulation.

{ the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs}
Definition statement
This subclass/group covers:

Roof insulating arrangements in which the insulating material is supported by load bearing corrugated sheets, e.g. profiled sheet metal roofs

Informative references
Attention is drawn to the following places, which may be of interest for search:
The insulating material being masses or granules applied in situ
Insulating of pre-existing roofs with or without ventilating arrangements
{Double skin roofs}
Definition statement
This subclass/group covers:

Insulation for roof coverings comprising a double skin, i.e. two superposed water tight layers

Informative references
Attention is drawn to the following places, which may be of interest for search:
Roofing slabs comprising two or more layers
Fastening means for double roof covering or over-roofing
{ Inverted roofs or exteriorly insulated roofs}
Definition statement
This subclass/group covers:

Inverted roofs or exteriorly insulated roofs, e.g. in which the insulation is exposed to the weather

Informative references
Attention is drawn to the following places, which may be of interest for search:
Insulating of pre-existing roofs with or without ventilating arrangements
The insulating material having provisions for roof drainage
Fastening means for double roof covering or over-roofing
{ Insulating of pre-existing roofs with or without ventilating arrangements}
Informative references
Attention is drawn to the following places, which may be of interest for search:
The insulating material being masses or granules applied in situ
The roof purlins or rafters being mainly insulated from the interior
{the upper surface of the insulating material forming an inclined surface}
Definition statement
This subclass/group covers:

Roof insulating arrangements in which the upper surface of the insulating material forms an inclined surface, e.g. sloped insulating elements on a flat roof

Ventilation of roof coverings not otherwise provided for (ventilation of rooms or spaces F24F)
Definition statement
This subclass/group covers:

Ventilation of the spaces between the roof covering and the roof structure

References relevant to classification in this group
This subclass/group does not cover:
Roof ventilation, i.e. ventilation of spaces or rooms located below the roof supporting structure
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ventilation tiles
Ventilation roofing slabs
Internal channels, e.g. chimneys, air-ducts
Ventilation of rooms or spaces, in general
{ Roof insulating material with provisions for or being arranged for permitting ventilation of the roof covering}
Definition statement
This subclass/group covers:

Ventilation of roof coverings provided through roof insulating material having provisions for or being arranged for permitting ventilation of the roof covering, e.g. insulation so arranged that it provides ventilation gaps

Informative references
Attention is drawn to the following places, which may be of interest for search:
Double skin roofs
Insulated roofs in which the insulating material has provisions for roof drainage
{on the ridge of the roof}
Definition statement
This subclass/group covers:

Ventilation of roof coverings provided through ventilating means located on the ridge of the roof

Informative references
Attention is drawn to the following places, which may be of interest for search:
Roof ridge slabs or sheets
Ridge tiles
{on the eaves of the roof}
Definition statement
This subclass/group covers:

Ventilation of roof coverings provided through ventilating means located on the eaves of the roof

Informative references
Attention is drawn to the following places, which may be of interest for search:
Protection against birds, mice, or the like
Ventilating means in soffits or fascias
Apparatus or tools for roof working
Definition statement
This subclass/group covers:

Apparatus or tools for roof working like e.g. apparatus or tools for removing roof material, for cleaning the roof, for building roof coverings comprising tiles, shingles or the like, for building roof coverings comprising slabs, sheets or flexible material for handling, during construction of the roof covering, roofing or sealing material in roll or bulk form

References relevant to classification in this group
This subclass/group does not cover:
Devices for removing snow, ice or debris from gutters
De-icing devices for gutters
Cleaning tools for gutters
Scaffolds for working on roofs
Informative references
Attention is drawn to the following places, which may be of interest for search:
Ladders
Special rules of classification within this group

Use E04D 15/00 to E04D 15/07 to classify additional information

{for removing roof material (for floor coverings E04G 23/006) }
Informative references
Attention is drawn to the following places, which may be of interest for search:
Arrangements for removing floor coverings
for roof coverings comprising tiles, shingles, or like roofing elements { (E04D 15/003 takes precedence) }
References relevant to classification in this group
This subclass/group does not cover:
Apparatus or tools for removing roof material
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roof covering by making use of tiles, slates , shingles or other small roofing elements
for roof coverings comprising slabs, sheets or flexible material
Definition statement
This subclass/group covers:

Apparatus or tools for handling, removing or applying slabs, sheets or flexible materials to roofs

References relevant to classification in this group
This subclass/group does not cover:
Apparatus for handling roofing or sealing material in roll form
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roof covering by making use of flat or curved slabs or stiff sheets
Handling of sheet material
for handling roofing or sealing material in roll form
Informative references
Attention is drawn to the following places, which may be of interest for search:
Roof covering by making use of flexible material, e.g. supplied in roll form
Handling of sheet material
This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013