■ Highly vapor permeable (120 perms). ■ Approved by Air Barrier Association of America (abaa) as waterresistive barrier. ■ Helps to ensure a healthy and comfort able interior climate. ■ High performance air barrier when used with DELTA® Accessories. ■ 3 layer high strength membrane. ■ Water tight and Class A fire-rated. | ■ Matte gray color reduces irritating glare during installation. ■ NFPA 285 compliant. ■ Approved under National Building Code (CCMC 3479R) ■ Available as DELTA® VENT S PLUS with integrated adhesive edge. ■ Produced in our ISO 9001 registered manufacturing plant. ■ Approved under International Building Code and International Residential Code( ICC ESR2932). ■ Easy to install. |