US 6,981,349 B1 | ||
Roof waterproofing system consisting of an organic resin protected by an aluminum-copolymer composite foil | ||
Celso Martinez, Jr., Sao Carlos (Brazil) | ||
Assigned to Fundacao de Amparo a Pesquisa de Estado de Sao Paulo, Sao Paulo (Brazil) | ||
Appl. No. 9/490,740 PCT Filed Jul. 28, 1998, PCT No. PCT/BR98/00053 § 371(c)(1), (2), (4) Date Jan. 25, 2000, PCT Pub. No. WO99/06646, PCT Pub. Date Feb. 11, 1999. |
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Int. Cl. E04B 5/00 (2006.01) |
U.S. Cl. 52—409 | 15 Claims |
1. A waterproofed roofing system for application over a roof surface, comprising:
an adhesive organic resin layer not containing asphalt and applied over said roof surface, said resin layer being visco-elastic
after completion of said system; and
a composite film applied to said resin and including a central aluminum layer laminated between respective thermoplastic copolymer
layers.
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