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Take care not to cut into the flashing itself, if it has been constructed out of a flexible material.Log in Sign up Terms of Use We use cookies to make wikiHow great.To create this article, 10 people, some anonymous, worked to edit and improve it over time.
The white suits acted as a barrier to the penetration of oil. Install Blue Window Flashing Install Tyvek OnThe same protection is available for your house when you install Tyvek on your building. Building codes and material manufacturers recommend adjustments when installing Tyvek under certain materials, for maximum air and water barrier effectiveness. Consider these tips if you plan to use these materials over the Tyvek, as they affect your construction plans or the amount of Tyvek you need to buy. Tyvek ThermaWrap will also help maintain desirable indoor temperatures, while Tyvek DrainWrap includes vertical grooves for increased drainage when high moisture is expected. If you are constructing a commercial building, or a building more than four stories tall, consult an experienced construction expert or DuPont representative for information on more specialized products, such as Tyvek Fluid or high-performance Tyvek. Purchasing Tyvek tape as well is recommended to help seal your wall more effectively, as described below. If stud marks are printed on your Tyvek product, line them up with the first stud of your wall. The first roll should be plumb with the bottom edge of the wall. Unroll so the Tyvek is taut, but not so much that it gets stretch marks or tears when fastened. Have a second person secure the Tyvek with a fastener every 618 inches (15-46 cm), over the wall studs. Ideally, install Tyvek before installing the doors, windows, or window flashing. However, no matter what stage of construction these areas have reached, you may cover them completely with the Tyvek while first installing. You will make adjustments to these areas once the wall is covered as described below. If the wall is higher than the width of the Tyvek roll, unroll additional Tyvek higher than the first, moving upward. Tyvek rolls are slippery and large, so secure footing is highly recommended when handling them. Use a sharp box cutter or utility knife to remove excess Tyvek from around the wall. Make sure to fasten the Tyvek in place at the end of the wall before cutting, including along unusually shaped areas of the wall such as gables. Cut a large X from one corner diagonally from one corner to the other. If window flashing or a window apron has already been installed, instead cut out the entire outline of the window.
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