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  2. List of commercially available roofing materials - Wikipedia

    en.wikipedia.org/wiki/List_of_commercially...

    Copper roofs have a high initial cost but very long lifetime: tests on European copper roofs from the 18th Century showed that, in theory, copper roofs can last one thousand years. [7] Another advantage of copper roofing systems is that they are relatively easy to repair. Standing-seam metal roof with concealed fasteners.

  3. Membrane roofing - Wikipedia

    en.wikipedia.org/wiki/Membrane_roofing

    It is used to create a watertight covering to protect the interior of a building. Membrane roofs are most commonly made from synthetic rubber, thermoplastic (PVC or similar material), or modified bitumen. Membrane roofs are most commonly used in commercial application, though they are becoming increasingly common in residential application. [1] [2]

  4. Bituminous waterproofing - Wikipedia

    en.wikipedia.org/wiki/Bituminous_waterproofing

    Replacing the roofing felt on a Scout hall in Wales. Bituminous waterproofing systems are designed to protect residential and commercial buildings.Bitumen (asphalt or coal-tar pitch) is a material made up of organic liquids that are highly sticky, viscous, and waterproof. [1]

  5. 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 ...

  6. Elevate (brand) - Wikipedia

    en.wikipedia.org/wiki/Elevate_(brand)

    Elevate, formerly Firestone Building Products, is a brand of roofing, wall and lining solutions of the Holcim Group, one of the world's largest building materials manufacturing company. Elevate operates 21 manufacturing facilities in North America and produces single–ply and asphalt–based roofing membranes, polyiso insulation, and roofing ...

  7. Flat roof - Wikipedia

    en.wikipedia.org/wiki/Flat_roof

    TPO roofing systems feature strong seams that are heat-welded, providing superior seam strength and reducing the risk of leaks compared to other roofing systems with adhesive or tape seams. A TPO roof system can be fully adhered, mechanically fastened, or ballasted, although TPO roof systems are rarely ballasted, since the ballast covers up the ...

  8. Pitch (resin) - Wikipedia

    en.wikipedia.org/wiki/Pitch_(resin)

    Natural bitumen pitch, from the tar pit above the McKittrick Oil Field, Kern County, California. Pitch is a viscoelastic polymer which can be natural or manufactured, derived from petroleum, coal tar, [1] or plants. Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid ...

  9. Bitumen - Wikipedia

    en.wikipedia.org/wiki/Bitumen

    Bitumen typically contains, elementally 80% by weight of carbon; 10% hydrogen; up to 6% sulfur; and molecularly, between 5 and 25% by weight of asphaltenes dispersed in 90% to 65% maltenes. [18] Most natural bitumens also contain organosulfur compounds, nickel and vanadium are found at <10 parts per million, as is typical of some petroleum. [6]

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