DuPont Tyvek DrainWrap has vertical grooves on the surface to help channel bulk water drainage while allowing water vapor to pass through the moisture barrier. This helps promote drying in wall systems. Dupont Tyvek DrainWrap is the choice of homeowners and professional installers and builders for enhanced drainage behind claddings. It is commonly used behind primed wood, fiber cement siding and foam board applied over flat substrates. 5.5 mil Thick. The performance of DuPont Tyvek DrainWrap exceeds the 2006 International Building Code (section 1403.2) and the 2006 International Residential code (Section R703.1) as a water-resistive barrier and meets the air barrier requirements of ICC-ES AC-38 and the ASTM E1677 Standard Specification for a Type I air barrier. DuPont Tyvek DrainWrap comes backed by a 10-year limited warranty from DuPont.
| Material | : | Polyolefin |
| Perm Rating | : | 50 |
| Length | : | 125 ft |
| Width | : | 9 ft |
| Thickness | : | 5.5 mil |