LITTLE KNOWN FACTS ABOUT ROOFER.

Photo voltaic roofing selections extend. Main roofing manufacturers GAF and CertainTeed have joined Tesla in introducing photovoltaic—aka solar—roofing shingles for homes. CertainTeed’s Solstice shingle seems additional like a conventional shingle than GAF’s Timberline model, which incorporates perpendicular bars over the shingle array. Fed