Ask This Old House home technology expert Ross Trethewey explores the design and testing of asphalt roof shingles that can reflect some of the sun’s heat away from the building.
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Ross toured the Saint-Gobain R&D Facility in Massachusetts ( The solar reflective shingles with 20% or less solar reflectivity that Ross saw are Landmark and Landmark Pro Solaris shingles. The highly solar reflective shingles with up to 40% solar reflectivity are Landmark Solaris Platinum shingles. These are all manufactured by CertainTeed (
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Solar Reflective Roof Shingles | Future House | Ask This Old House