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DuPont Tyvek Mechanically Fastened Air and Water Barrier Systems provide the building envelope with an essential line of defense against air infiltration, water penetration and wasted energy. Mechanically fastened systems are available in residential and commercial grade. DuPont has been the industry leader since it invented the building wrap category more than 30 years ago. Today, the integrated mechanically fastened air and water barrier systems applies DuPont’s expertise in building and material science deliver innovative solutions for the next generation of new construction and renovation of existing buildings, including: – Sustainable building design and construction – Superior protection – Energy efficiency – Ease of installation – Enhanced durability – Integrated solutions – Expert support Tyvek Mechanically Fastened Air and Water Barrier Systems provide an ideal combination of air infiltration and bulk water penetration resistance with vapor permeability, allowing incidental moisture to escape so that the building envelope can dry out. Different project specifications dictate different installation scenarios, such as low-rise and high-performance systems, and require different combinations and quantities of component products. Products in the systems include: – Tyvek HomeWrap – Tyvek CommercialWrap – 6 inch FlexWrap – 9 inch FlexWrap – 4 inch StraightFlash – 6 inch StraightFlash Versatile Flange (VF) – 9 inch StraightFlash – 4 inch DuPont Flashing Tape – 2 inch Tyvek Tape – 3 inch Tyvek Tape – 1 inch Wrap Cap Staples – 2 inch Wrap Cap Screws