E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
20/20.2
E04B 7/00 (2006.01) E04D 11/00 (2006.01)
Patent
CA 1295451
(57) Abstract The present invention relates to a roofing underlining for buildings. It comprises a very strong main support layer to the underside of which a non-woven fabric absorbing condensate water is laminated by being adhered or bonded to the main support layer by a waterproof laminate layer. P 707/KP
564965
A. Ahlstrom Corporation
Gowling Lafleur Henderson Llp
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