House Wrap Types and Installation Tips

House wrap is a fabric, paper, or board material that covers the exterior sheathing of house walls to protect the wall framing. Most siding materials are not totally effective at repelling water, particularly wind-driven rain. When water gets behind the siding, house wrap is there to shed the water and keep it from entering the wall cavity. House wrap also permits the transfer of water vapor to the outside of the protected structure because water vapor can pass through it. There are several types of house wrap, and each has its own installation requirements.

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