DuPont Tyvek CommercialWrap D provides superior air and moisture control, with an emphasis on enhanced drainage. A weather barrier designed with vertical grooves to provide additional drainage for commercial construction projects in wet locations. DuPont Tyvek CommercialWrap D combines the unique material science of Tyvek weather barriers with a vertically grooved surface to help channel windblown rain and other bulk water. DuPont Tyvek CommercialWrap D offers high tear and wind load resistance, nine months of UV resistance and the ideal balance of air and water protection and vapor permeability. Applicable Standards: 2015 International Building Code (IBC, Section 1403.2 Weather Protection), ASTM E2357, TAPPI T-460, ASTM E1677, ASTM E2178, ASTM E283, ASTM E96-00, AATCC 127, ASTM E331, TAPPI T-410, ASTM D882, ASTM D1117, ASTM E84 , NFPA 285, ASTM E2556, ASTM E96-00, ASHRAE 90.1 2010, ASTM E 2273, ABAA Evaluated