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  2. Reflective surfaces (climate engineering) - Wikipedia

    en.wikipedia.org/wiki/Reflective_surfaces...

    Cool roofs have a lower impact the more insulation is used. The Secretary of Energy directed all U.S. Department of Energy (DOE) offices to install cool roofs, when life-cycle cost-effectiveness is demonstrated, when constructing new roofs, or when replacing old roofs at DOE facilities. Other Federal agencies were also encouraged to do the same ...

  3. Roof shingle - Wikipedia

    en.wikipedia.org/wiki/Roof_shingle

    A shingle roof in Zakopane, Poland. With an area of 6000 m 2 (1½ acres), it was one of the largest wooden shingle roofs in Europe. A roof’s shingles are a roof covering consisting of individual overlapping elements. These elements are typically flat, rectangular shapes laid in courses from the bottom edge of the roof up, with each successive ...

  4. Roof coating - Wikipedia

    en.wikipedia.org/wiki/Roof_coating

    Prepping the seams on a Metal Roof Prior to the Application of a Roof Coating Top coating a commercial flat roof with a cool roof test. Roof coatings are easy to install. Smaller roofs in good, serviceable condition can be a weekend do-it-yourself (DIY) project. Larger roofs with leaks and ponding water issues should be coated by a qualified ...

  5. Radiant barrier - Wikipedia

    en.wikipedia.org/wiki/Radiant_barrier

    According to a study by the Florida Solar Energy Center, [8] a white tile or white metal cool roof can outperform a traditional black shingle roof with a radiant barrier in the attic, but the black shingle roof with a radiant barrier outperformed the red tile cool roof. For installing a radiant barrier under a metal or tile roof, the radiant ...

  6. Asphalt shingle - Wikipedia

    en.wikipedia.org/wiki/Asphalt_shingle

    Asphalt shingles on a home in Avalon, New Jersey. Two types of base materials are used to make asphalt shingles, organic and fiberglass.Both are made in a similar manner, with an asphalt-saturated base covered on one or both sides with asphalt or modified-asphalt, the exposed surface impregnated with slate, schist, quartz, vitrified brick, stone, [6] or ceramic granules, and the under-side ...

  7. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Often used on cold pipes, cold ducts, and the underside of roof sheathing. Light-colored roof shingles and reflective paint. Often called cool roofs, these help to keep attics cooler in the summer and in hot climates. To maximize radiative cooling at night, they are often chosen to have high thermal emissivity, whereas their low emissivity for ...

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