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  2. Tyvek - Wikipedia

    en.wikipedia.org/wiki/Tyvek

    Tyvek envelopes Large sheets of Tyvek are frequently used as housewrap to provide an air barrier between the outer cladding of a structure and the frame, insulation, etc., allowing water vapor to pass but restricting air infiltration.

  3. 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.

  4. List of DuPont Experimental Station inventions - Wikipedia

    en.wikipedia.org/wiki/List_of_DuPont...

    Tyvek spun-bonded olefin housewrap and envelopes. Orlon acrylic fiber. Building 304. Polyethylene terephthalate PET bottles Thomas H. Chilton's unit operations for chemical engineering. Solamet PV17x, PV18x, PV19x, and PV20x photovoltaic metallization pastes Building 307. Qualicon Bax riboprinter to ensure food safety Building 320. Suva HCFC ...

  5. 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).

  6. This Hallmark Video from the '50s Is a Treasure Trove of Gift ...

    www.aol.com/hallmark-video-50s-treasure-trove...

    Hallmark’s 1958 short film “The Art of Gift Wrapping” teaches so many creative and useful ways to wrap presents and make ribbon bows.

  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. This cloth is used as a damp proofing membrane, envelopes and protective clothing amongst other things.

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