The Dow Chemical Company, not always the environment's best friend, has taken a step toward environmental conservation by getting its Powerhouse⢠brand solar shingles certified for safety by the Underwriter's Laboratory.
The new Powerhouse⢠Solar Shingle boasts an integrated connection system that allows its photovoltaic solar cells to be quickly and easily installed, just like and/or in combination with standard asphalt shingles. This is, in part, because the new solar shingle design eliminates any on-roof wiring, minimizes the need to drill through the roof, and generally...