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GAF. Timberline Cool Series shingles offer a higher-than-industry-average SRI 29. The full line of Timberline solar-reflective shingles meets ASTM D3161 Type 1, Class F standard 130 mph wind speed and features GAF’s StainGuard algae protection. The company claims its DuraGrip adhesive tabs seal shingles quickly and tightly in rooftop temperatures as low as 30 degrees. Timberline Cool Series shingles are Energy Star qualified, are CRRC rated, meet California’s Title 24 standards, and can contribute points to both LEED and NGBS certification. 877.423.7663. www.gaf.com.