Tyvek home wrap is a water-resistive barrier behind the siding on a house. In 2006, the International Building Code made it a requirement for all houses being built to have Tyvek or another water-resistive barrier installed. Tyvek is wrapped around the house and is installed directly onto the studs. It protects the house from the outside elements and can be installed by any homeowner with just a few tools.
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Things you need
- Tyvek house wrap
- Wrap cap nails
- Tyvek tape
- Utility knife
Roll out the Tyvek and begin wrapping it around the house. Start at the base of any corner and work down the first side until reaching the first stud. Make sure the bottom of the Tyvek is flush with the ground. Attach the Tyvek at the stud with wrap cap nails.
Hammer in the first nail six inches up from the bottom and space out the rest of the nails about 12 inches apart. Roll out the Tyvek until reaching the next stud and attach the wrap to the stud in the same manner. Continue the same way down the first side of the house.
Wrap the Tyvek around the first corner of the house and continue around the entire base of the house until everything is covered. Attach the second layer of Tyvek above the first, overlapping them by 9 inches. Roll out the second layer, and attach it to the studs just like the first layer.
Move around the house until the second layer is complete, and if necessary, install a third layer above the second with the same 9 inch overlap. Cut the Tyvek at the top with a utility knife to fit if it is too tall.
Spread the tape out along the base of the wall around the entire perimeter and at all vertical and horizontal locations where the Tyvek overlaps or meets. Inspect the area to make sure it has been properly sealed and there are no gaps or cracks between the Tyvek sheets.
Tips and warnings
- Unroll the wrap directly over windows and doors.
- The rolls of Tyvek are 8 feet tall and 100 feet long. Most houses will require more than one roll to complete the job.
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