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US 2022/0064954 A1Published application
Microbial growth and dust retardant roofing shingles
AssigneeCertainTeed Corporation
InventorsRathish SA, Sriram Y, Vinay Natrajan
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Abstract
A microbial growth and dust retardant roofing shingle comprising a substrate and a pore filling composition applied on the surface of the substrate is disclosed. The pore filling composition comprises a silane or acrylic composition. A method of protecting a substrate from microbial growth and soiling using the pore filling composition of the present disclosure is also disclosed.
Claims17
A microbial growth and dust retardant roofing shingle, comprising:
- a substrate;
- and
- a pore filling composition applied on the surface of the substrate, wherein the substrate comprises at least one substrate material selected from the group consisting of an asphalt shingle, a fiberglass shingle, laminate shingles and a siding material, wherein the pore filling composition is a composition comprising:
- (a) about 45% to 55% polymer of a methyl methacrylate;
- (b) about 45% to 50% polymer of a butyl acrylate;
- and
- (c) about 3% to 5% polymer of an ethyl acrylate.
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Dependencies are inferred from the claim text.