HEAVY GLASS MAT IMPACT RESISTANT ROOFING
Disclosed is impact resistant roofing that utilizes a heavy glass mat substrate having a weight of at least 3.0 lbs/csf that meets high impact resistance roofing standards. The impact resistant roofing utilizes a heavy glass mat that is embedded between two layers of asphalt. The impact resistant ro...
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Format: | Patent |
Sprache: | eng ; spa |
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