Metal flake-surfaced roofing materials

E - Fixed Constructions – 04 – D

Patent

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Details

E04D 1/12 (2006.01) E04D 1/00 (2006.01) E04D 1/18 (2006.01) E04D 1/22 (2006.01) E04D 1/26 (2006.01) E04D 13/00 (2006.01)

Patent

CA 2500594

The present invention relates to roofing materials for roofs, sidewalls and other exterior surfaces exposed to the weather such as, but not limited to, asphaltic and non-asphaltic roofing materials, wherein metal flakes cover up to 100 % of the weathering surface of the roofing materials. The metal flakes may be applied to the surface in striations or bands separated by conventional roofing granules or may be blended with conventional roofing granules. The metal flakes may have antimicrobial potential and may provide resistance to microbial growth to roofing materials when dispersed in or applied thereto. The present invention also relates to methods of making the roofing materials.

La présente invention concerne des matériaux de couverture pour toits, parois latérales et autres surfaces extérieures exposées aux intempéries. Lesdits matériaux englobent, notamment, mais non seulement, des matériaux de couverture asphaltiques et non asphaltiques, dont des fragments métalliques recouvrent jusqu'à 100 % de la surface des matériaux de couverture exposée aux intempéries. Ces fragments métalliques peuvent être appliqués sur la surface en stries ou bandes séparées par des granules de couverture traditionnelles ou peuvent être mélangés à des granules de couverture traditionnelles. Lesdits fragments métalliques peuvent présenter une action efficace antimicrobienne et fournir une résistance à la croissance microbienne aux matériaux de couverture, lorsqu'ils y sont dispersés ou appliqués. Cette invention a aussi trait à des procédés de fabrication des matériaux de couverture.

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