Solar roofing choices broaden. Key roofing suppliers GAF and CertainTeed have joined Tesla in introducing photovoltaic—aka photo voltaic—roofing shingles for residences. CertainTeed’s Solstice shingle seems to be far more like a conventional shingle than GAF’s Timberline design, which includes perpendicular bars across the shingle array. Federal tax credits now apply https://jasons036csf4.wikigdia.com/user