Asphalt Shingles
Find and specify asphalt shingles from top manufacturers with NBS Source. Browse products for Asphalt Shingles below. Classification 07 31 13.
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WeatherLock® Mat
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Owens Corning
WeatherLock® Mat Self-Sealing Ice & Water Barrier is designed to act as an additional line of protection against damage due to shingle blow-offs, wind-driven rain and ice damming.
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