Photo voltaic roofing possibilities grow. Significant roofing producers GAF and CertainTeed have joined Tesla in introducing photovoltaic—aka photo voltaic—roofing shingles for residences. CertainTeed’s Solstice shingle appears to be additional like a conventional shingle than GAF’s Timberline design, which includes perpendicular bars throughout the shingle array. Federal tax credits ... https://willd456blu9.blogitright.com/profile