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  2. Tyvek - Wikipedia

    en.wikipedia.org/wiki/Tyvek

    Tyvek's properties—such as being difficult to tear but easily cut, and waterproof against liquids while allowing water vapor to penetrate—have led to it being used in a variety of applications. Tyvek is often used as housewrap, a synthetic material used to protect buildings during construction, or as personal protective equipment (PPE). [1]

  3. Air barrier - Wikipedia

    en.wikipedia.org/wiki/Air_barrier

    Air barriers control air leakage into and out of the building envelope.Air barrier products may take several forms: Mechanically-attached membranes, also known as housewraps, usually a polyethylene-fiber or spun-bonded polyolefin, such as Tyvek is a generally accepted moisture barrier and an air barrier (ASTM E2178).

  4. Housewrap - Wikipedia

    en.wikipedia.org/wiki/Housewrap

    A building wrapped with Tyvek-brand housewrap during construction. Housewrap (or house wrap), also known by the genericized trademark homewrap (or home wrap), generally denotes a modern synthetic material used to protect buildings.

  5. Vapor barrier - Wikipedia

    en.wikipedia.org/wiki/Vapor_barrier

    A vapor barrier on the warm side of the envelope must be combined with a venting path on the cold side of the insulation. This is because no vapor barrier is perfect, and because water may get into the structure, typically from rain. In general, the better the vapor barrier and the drier the conditions, the less venting is required. [7]

  6. Talk:Tyvek - Wikipedia

    en.wikipedia.org/wiki/Talk:Tyvek

    Originally Tyvek was a housewrap material. It is now used in many fields, including roofing. Tyvek was discovered in 1955 by DuPont in the USA. Hope that helps — Preceding unsigned comment added by 86.131.40.216 15:29, 26 September 2006‎ I am the grandson of Walter Steuber. He developed Tyvek® in spite of what the DuPont history page says.

  7. Pollination bag - Wikipedia

    en.wikipedia.org/wiki/Pollination_bag

    Tyvek: Dupont Company produces non-woven polyethylene which can be converted into bag. This cloth is used as a damp proofing membrane, envelopes and protective clothing amongst other things. These types of bags are strong but not as breathable as others.

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