Why are asphalt shingle roofs so common?

Asphalt shingle roofs are the most common roof type, found on approximately 70% of homes in the United States. Here in Colorado with so many sloped roofs, it is estimated that there are even more than 75% of residences with asphalt shingle roofing systems. Asphalt Shingle Roof Basics Most modern asphalt shingles are made using […]