If you're in the market for a new roof ... at GAF. "Asphalt remains the most common roofing material in the U.S., with more than 80% of homes across the country featuring asphalt shingles ...

At least a dozen major U.S. and Canadian building-product manufacturers market asphalt shingles, including GAF, CertainTeed and ... looks designed to make a new roof-look suit a vintage house.