Asphalt Shingles Roof Cleaning
June 6, 2009 by admin
Filed under Types of Roofs
The most common choice for roofing materials is asphalt shingles and at least 75% of the homes across the nation use them. There are two types of asphalt shingles - fiberglass mat based and organic mat based shingles. Fiberglass based shingles are thinner, lighter and are more fire retardant than organic based shingles, which are heavier and more durable because there [...]