Solar Reflective Roof Shingles | Future House | Ask This Old House

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 (https://www.saint-gobain.com/en). 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 (https://www.certainteed.com/).

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Homeowners have a virtual truckload of questions for us on smaller projects, and we’re ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O’Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Jenn Nawada.

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Solar Reflective Roof Shingles | Future House | Ask This Old House
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Comment (0)

  1. Considering the fact that we already have photovoltaic shingles, and these only increase the reflectivity by 10%, this seems like a really weak product. Unless, of course, they are about the same price as regular shingles, which I'm betting isn't the case.

  2. As a person who lives in Arizona and in an newer construction home with tile shingles. Is there any material that you can spray onto the tile roofs which has the same reflectivity? This would work great in a home remodel but the newer homes are all built with tile roofs with Spanish style architecture. Infact so is much of southern California and new mexico along with Texas all new construction have tile roofs.

  3. Reflecting heat away from the shingled roof a building or concerns with the high temperatures of the roof surface should be of no concern to a homeowner unless you have a flat roof. A properly engineered sloped roof over a properly insulated and ventilated attic space will not transmit heat to the living areas of the home. The roof surface should provide no heating advantage during winter months and no cooling disadvantage during hot summer months. Fix the roofing system rather than the surface of the deck, otherwise you just putting lipstick on a pig.

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