Roofing giant takes on Tesla to make solar roof shingles more affordable

“We’re part of the world’s largest roofing manufacturer. We have access to materials that typical solar companies don’t have access to,” said Martin DeBono, President of GAF Energy. “No one has ever specifically tried to make a solar product that a roofer can install. And we’ve done it, and our product goes on with just a nail gun. It goes on twice as fast as typical solar. https://www.cnbc.com