发明名称 |
ROOFING MATERIAL AND METHOD OF MAKING THE SAME |
摘要 |
A roofing material comprising an upper surface and a lower surface, wherein the upper surface includes reduced-particle size granules and may further include a reduced-thickness face coating. The thickness of the upper surface is related to the particle size of the granules deposed on the face coating. A smaller particle size granule than those used in traditional roofing shingles is utilized in the upper surface which may allow for a reduced-thickness face coating while not sacrificing the retention of the granules on the surface of the roofing material or desired physical characteristics. The face coating may include a reduced amount of filler material, such as mineral fillers, than face coatings of traditional roofing materials.
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申请公布号 |
CA2709653(A1) |
申请公布日期 |
2011.07.29 |
申请号 |
CA20102709653 |
申请日期 |
2010.07.13 |
申请人 |
BUILDING MATERIALS INVESTMENT CORP. |
发明人 |
RODRIGUES, TOMMY F.;RAILKAR, SUDHIR B.;CHICH, ADEM;KIIK, MATTI |
分类号 |
E04D5/12;E04D1/12;E04F13/08 |
主分类号 |
E04D5/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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