At least a dozen major U.S. and Canadian building-product manufacturers market asphalt shingles, including GAF, CertainTeed and ... plus shades of blue and blue green. There are also variegated ...

"The GAF Timberline UHDZ® shingles and GAF Timberline® Armorshield II shingles are options for homeowners in the Midwest since they are incredibly durable and have passed UL's toughest impact ...