Solar roofing options extend. Big roofing producers GAF and CertainTeed have joined Tesla in introducing photovoltaic—aka solar—roofing shingles for homes. CertainTeed’s Solstice shingle seems to be much more just like a traditional shingle than GAF’s Timberline design, which includes perpendicular bars throughout the shingle array. Federal tax credits now https://trentondmjmc.blogzet.com/the-ultimate-guide-to-roofing-for-barns-and-agricultural-structures-36698941