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  2. Membrane roofing - Wikipedia

    en.wikipedia.org/wiki/Membrane_roofing

    Modified bitumen – Polymer modified bitumen membranes were developed in Europe in the mid-1960s and have been in common use throughout the United States since 1975. they are composed of one or more premanufactured sheets consisting of asphalt, reinforcing layers, and in some cases a surfacing is applied. During manufacture, plastics or ...

  3. 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]

  4. Flat roof - Wikipedia

    en.wikipedia.org/wiki/Flat_roof

    The membranes consist of factory-fabricated layers of asphalt, modified using a plastic or rubber ingredient and combined with a reinforcement. [12] The final modified bitumen sheet goods are typically installed by heating the underside of the roll with a torch, presenting a significant fire hazard.

  5. Waterproofing - Wikipedia

    en.wikipedia.org/wiki/Waterproofing

    D6135 – Standard Practice for Application of Self-Adhering Modified Bituminous Waterproofing; ASTM D7281 – Standard Test Method for Determining Water Migration Resistance Through Roof Membranes; British Standards Institution BS.8102:2009 – "Protection of Below Ground Structures against Water from the Ground".

  6. Bitumen - Wikipedia

    en.wikipedia.org/wiki/Bitumen

    Natural bitumen from the Dead Sea Refined bitumen The University of Queensland pitch drop experiment, demonstrating the viscosity of bitumen. Bitumen (UK: / ˈ b ɪ tʃ ʊ m ɪ n / BIH-chuum-in, US: / b ɪ ˈ tj uː m ɪ n, b aɪ-/ bih-TEW-min, by-) [1] is an immensely viscous constituent of petroleum. Depending on its exact composition it can ...

  7. Asphalt roll roofing - Wikipedia

    en.wikipedia.org/wiki/Asphalt_roll_roofing

    Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in North America. The material is based on the same materials used in asphalt shingles; an organic felt or fiberglass mat, saturated with asphalt, and faced with granular stone aggregate. [1]

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