Mineral surfaced asphalt-based roofing products with...

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E - Fixed Constructions

04

D

E04D 1/20 (2006.01) C08K 7/22 (2006.01) C08L 95/00 (2006.01) D06N 5/00 (2006.01)

Patent

CA 2680294

An asphalt-based sheet roofing mate.pi.al includes capsules on its upper surface When struck, as by hailstones, the capsules break to release a film forming fluid that spreads over the surface to heal the damage created by the hailstones Also descnbed is a process for making an asphalt-based sheet roofing material with self-healing properties.

L'invention concerne un matériau de couverture à base d'asphalte qui comprend des capsules sur sa surface supérieure. Lorsqu'elles sont frappées, par exemple par des grêlons, les capsules se brisent pour libérer un liquide formant un film, qui se répand sur la surface pour réparer les dommages créés par les grêlons. L'invention concerne également un procédé destiné à fabriquer un matériau de couverture à base d'asphalte présentant des propriétés d'autoréparation.

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