Over 30 Years of Proven Performance in Millions of Homes
Wrapping a home with a weather-resistant barrier is smart building practice. It helps protect against the intrusion of water, moisture, and air—some of the most damaging threats to any structure.
When wind-driven rain or moisture is allowed to seep behind siding, it can saturate walls and create the perfect environment for mould, mildew, and wood rot. DuPont™ Tyvek® is engineered to help prevent this. Its properties do not support the growth of mould or mildew.
Air infiltration from outside can also cause uncomfortable hot or cold spots inside a home and drive up heating and cooling costs. Acting like a windbreaker, DuPont™ Tyvek® is applied over sheathing and under exterior siding. When properly installed—cut around windows and doors and sealed at seams with tape—it helps block air and water intrusion, resulting in a more energy-efficient, comfortable home or building.
DuPont™ Tyvek® HomeWrap® is a non-woven, non-perforated sheet made by spinning ultra-fine, continuous high-density polyethylene (HDPE) fibers. These fibers are fused into a tough, uniform web—creating a product unmatched in its category. Tyvek is the only weather barrier manufactured using this unique process.
Its durable, fibrous structure is designed with millions of microscopic pores. These resist air and bulk water penetration while still allowing moisture vapor to escape, helping prevent trapped condensation within the wall system.
The result is a high-performance weather barrier that delivers an ideal balance of protection, durability, and breathability—making DuPont™ Tyvek® HomeWrap® a trusted choice in building envelopes for over three decades.
