Oil and rubber treated roofing granules

Details Oil and rubber treated roofing granules Oil and rubber treated roofing granules

C - Chemistry, Metallurgy

09

C

C09C 3/08 (2006.01) E04D 1/20 (2006.01) E04D 7/00 (2006.01)

Patent

CA 2048016

45482CAN2A ABSTRACT OF THE DISCLOSURE A roofing granule composition, a roofing shingle, and processes for forming the roofing granule composition and shingle are disclosed. The roofing granule composition includes mineral granules having surfaces treated with oil and elastomeric rubber. The roofing shingle includes a substrate and roofing granules treated with the oil and rubber and is formed by applying the treated roofing granules to the substrate, and cutting the substrate to the size of a shingle. The oil and rubber treated granules impede granule staining from asphaltic oils in the substrate and also reduce dust formation during granule handling.

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