Housewrap Installation Tips

Nov. 21, 2017 | by Doug McNeill
Housewrap Installation Tips

Housewrap should be an integral part of your home’s envelope—repelling water from outside and allowing water vapor from inside to escape. This only works if it’s properly installed and when it isn’t, it can cause serious damage to the home. Here are some tips on how to best install housewrap to ensure it does its job.

• Housewrap should not only be a barrier to keep water out, it can also act as an air barrier if it is sealed at every seam.

• Select the right housewrap for your climate zone. Be sure to check code requirements in your area. Read the manufacturer’s instructions for installation carefully before you start as these vary considerably.

• Wrapping should start at the foundation and extend an inch or more past the wall-to-foundation intersection. Each additional layer should be installed in the same way as you would shingles, with the upper layer overlapping the lower at least two inches on the horizontal seams. Any vertical seams should overlap by 6 inches or more.

• All seams should be taped or fastened with cap fasteners. If stapling, be sure to avoid rips. Any rips or holes must be taped to avoid air infiltration.

• Take extra care when installing housewrap around windows and doors as these are most frequently where water can get in. Be sure that proper flashing techniques are followed here to prevent water and moisture entering the home. A good resource here is Technotes.

• Siding contractors should inspect all areas and repair any rips or holes in the housewrap prior to siding installations.

This blog was developed by Norbord. All posts, sponsored and un-sponsored have been reviewed and approved by the Sustainable Community Media Editorial Team to ensure quality, relevance/usefulness and objectivity.


Topics: Building Green, Indoor Air Quality, Insulation

Companies: Norbord, Inc.



Doug McNeill

Doug's 40+ years in the forest products industry has provide a broad understanding of multiple aspects of the industry. He spent 7 years in national builder sales and industrial sales before joining Norbord Building Materials in 1980. His 7 years in Pro Dealers sales led to 8 years as branch manager in several distribution centers across the country, 1 year as National Account manager, and 2 years as operations manager before moving to Norbord Inc as Export OSB Sales Manager.


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