| US 7,481,028 B2 | ||
| Mulling and sealing system for compound fenestration units | ||
| Thomas Tufts, Woodbury, Minn. (US); Craig M. Johnson, St. Paul, Minn. (US); Corey M. Bishman, Woodbury, Minn. (US); and Robert J. Geisen, Stillwater, Minn. (US) | ||
| Assigned to Anderson Corporation, Bayport, Minn. (US) | ||
| Filed on Jul. 17, 2006, as Appl. No. 11/488,479. | ||
| Prior Publication US 2008/0010919 A1, Jan. 17, 2008 | ||
| Int. Cl. E06B 3/00 (2006.01); E06B 7/00 (2006.01); E06B 3/964 (2006.01) | ||
| U.S. Cl. 52—214 [52/204.58; 52/204.599; 52/204.62; 52/204.5; 52/208] | 8 Claims |
| 1. A compound fenestration assembly comprising:
a first fenestration unit having a frame formed of frame members each having an inwardly facing surface, an outwardly facing
surface, an inside edge, and an outside edge;
a second fenestration unit having a frame formed of frame members each having an inwardly facing surface, an outwardly facing
surface, an inside edge, and an outside edge;
a frame member of said first fenestration unit being joined to a frame member of said second fenestration unit such that a
gap is formed between the outwardly facing surfaces of said joined frame members, said outwardly facing surfaces forming walls
of said gap;
opposing kerfs formed in said walls of said gap between the inside and outside edges of said joined frame members;
a sealing strip disposed in and sealing said gap;
said sealing strip comprising a backbone disposed within said gap, a exterior seal on said backbone configured and positioned
to seal said gap along the outside edges of said joined frame members, and an interior seal on said backbone spaced from said
exterior seal and configured and positioned to seal said gap inboard of said outside edges of said joined frame members;
said sealing strip further comprising a pair of hooks shaped and positioned to engage with said opposing kerfs to locate and
secure said sealing strip within said gap.
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