| US 7,524,555 B2 | ||
| Pre-finished and durable building material | ||
| Weiling Peng, Murietta, Calif. (US); James A. Gleeson, Upland, Calif. (US); and Donald J. Merkley, Alta Loma, Calif. (US) | ||
| Assigned to James Hardie International Finance B.V., Amsterdam (Netherlands) | ||
| Filed on Feb. 03, 2004, as Appl. No. 10/770,739. | ||
| Application 10/770739 is a continuation of application No. 09/716681, filed on Nov. 20, 2000, granted, now 6,689,451. | ||
| Claims priority of provisional application 60/166513, filed on Nov. 19, 1999. | ||
| Prior Publication US 2004/0163331 A1, Aug. 26, 2004 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B32B 13/00 (2006.01); B32B 27/04 (2006.01); B32B 3/26 (2006.01); B32B 27/08 (2006.01) | ||
| U.S. Cl. 428—294.7 [428/297.1; 428/301.4; 428/320.2; 428/322.2; 428/503; 428/530; 52/100] | 22 Claims |
| 1. A building material, comprising:
a cementitious substrate having a first side and a second side;
at least one resin impregnated paper over at least one of said first and second sides;
a stress-relieving polymeric film disposed between said cementitious substrate and said at least one resin impregnated paper,
said polymeric film acting as a stress relaxer between said cementitious substrate and said at least one resin impregnated
paper; and
an adhesive disposed on at least one surface of the polymeric film, wherein the adhesive is disposed between the polymeric
film and the cementitious substrate, between the polymeric film and the at least one resin impregnated paper, or combinations
thereof.
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