In areas with substantial exposure to wind-driven rain, DuPont™ Tyvek® DrainWrap™ can enhance drainage behind claddings such as primed wood, fiber cement siding and foam board applied over flat substrates. The inherent water-resistance properties of DuPont™ Tyvek® are enhanced with vertical grooves on the surface to help channel bulk water safely to the outside to help manage water that penetrates through claddings.

In addition, the breathable structure allows moisture vapor to pass through to promote drying in wall systems and help prevent the formation of mold and mildew.

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