GAF / Green Building & Sustainable Home Renovation Information & Advice

The definitive guide to cleaning & treating asphalt shingle roofs As asphalt shingles are North America's most popular roofing material choice (though far from being the most sustainable option) knowing how to properly clean them is the key to making them last longer. Treating asphalt shingle roofs is essential for...

...GAF Overview: GAF is another leading brand in the North American asphalt shingle market. Known for their innovation, GAF shingles are engineered to provide long-lasting protection while enhancing the curb appeal of your home. Best products: Timberline HDZ: One of GAF's most popular products, these shingles feature ad...