Roofing material with encapsulated fibrous mat

E - Fixed Constructions – 04 – D

Patent

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Details

E04D 5/12 (2006.01)

Patent

CA 2308919

A roofing membrane material is disclosed. The material is characterized in that it includes a woven or non-woven fibrous mat encapsulated within a non-adhesive asphalt coating, the resulting encapsulated mat having an adhesive asphalt layer applied to one surface thereof. An acrylic coating is applied to the surface of the encapsulated mat that is not in contact with the adhesive asphalt layer. The resulting membrane, when applied to a roofing deck, provides a high traction surface that will not adhere to shingles and provides an effective waterproofing seal on the roofing deck.

L'invention concerne un matériau membranaire à toiture. Le matériau est caractérisé en ce qu'il comprend un tapis fibreux tissé ou non qui est intégré à un revêtement bitumé non adhésif, une couche bitumée adhésive étant appliquée sur une des surfaces du tapis intégré résultant. Un revêtement acrylique est appliqué à la surface du tapis intégré qui n'est pas en contact avec la couche bitumée adhésive. La membrane qui en résulte, lorsqu'elle est appliquée à une plateforme de toit, offre une surface à haute traction qui n'adhère pas aux bardeaux et présente une étanchéité hydrofuge efficace sur la plateforme de toit.

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