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  2. Metal roof - Wikipedia

    en.wikipedia.org/wiki/Metal_roof

    Metal roofs emissivity is better at reflecting solar radiation at 10%–75% depending on the color choice, compared to asphalt roofs that reflect 5%–25% depending on their color. Over the lifetime of the metal roof they keep 95% of the reflective capacity compared to other roof types that lose 20%–40% of their reflective capacity.

  3. Reflective surfaces (climate engineering) - Wikipedia

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

    While cool roofs are mostly associated with white roofs, they come in a variety of colors and materials and are available for both commercial and residential buildings. [2] Painting roof materials in white or pale colors to reflect solar radiation is encouraged by legislation in some areas (notably California).

  4. Architectural metals - Wikipedia

    en.wikipedia.org/wiki/Architectural_metals

    It is similar to platinum in color. Monel pioneered many of the present uses of stainless steel. The first architectural use of Monel was for roofing the Pennsylvania Railroad Terminal in New York City in 1909. In 1936, the copper roof on the New York City Public Library at Fifth Avenue and 42nd Street was replaced with a Monel metal roof. Its ...

  5. Flashing (weatherproofing) - Wikipedia

    en.wikipedia.org/wiki/Flashing_(weatherproofing)

    In earlier days, birch bark was occasionally used as a flashing material. [7] Most flashing materials today are metal, plastic, rubber, or impregnated paper. [8]Metal flashing materials include lead, aluminium, copper, [1] stainless steel, zinc alloy, other architectural metals or a metal with a coating such as galvanized steel, lead-coated copper, anodized aluminium, terne-coated copper ...

  6. Terne - Wikipedia

    en.wikipedia.org/wiki/Terne

    Terne metal can last 90 years or more if the paint is maintained. Terne-coated stainless steel (TCS II or Roofinox), or copper is commonly used to replace terne metal roofs as either material will outlast terne metal. Terne-coated stainless steel roofing can last 100 years or more unpainted; copper roofing can last 50 years or more unpainted.

  7. Purlin - Wikipedia

    en.wikipedia.org/wiki/Purlin

    Roll-formed metal roof purlins, also called roof battens. They are cropped to the angle of the purlin top cuts and can be lapped for joining. Metal purlins or roof battens screwed to roof gang-nail-type trusses

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