House Wrap (WRB): Complete Buying Guide 2026
House wrap is a weather-resistive barrier installed over wall sheathing and under siding. It blocks liquid water and air infiltration while allowing water vapor to escape, protecting the wall cavity from moisture damage. In 2026, house wrap (wrb) prices average $0.15 per sq ft, with a typical range of $0.08 to $0.25 depending on your region, supplier relationships, and order quantity.
When budgeting for a project using house wrap (wrb), factor in approximately 10% additional material for waste, plus labor costs averaging $0.20 per sq ft for professional installation. A typical project using this material runs approximately $600 including both materials and labor.
With an expected lifespan of 30 years, house wrap (wrb) represents a cost of approximately $0.01 per sq ft per year of service life. This solid lifespan provides good value for most residential and commercial applications.