Photo voltaic roofing alternatives grow. Big roofing suppliers GAF and CertainTeed have joined Tesla in introducing photovoltaic—aka solar—roofing shingles for houses. CertainTeed’s Solstice shingle seems to be far more like a traditional shingle than GAF’s Timberline model, which incorporates perpendicular bars over the shingle array. Federal tax credits now use https://finnewlcb.ezblogz.com/58357941/roofing-an-overview