Water-Resistive Air Barrier bodyCosella-Dörken announces the launch of the new DELTA®-VENT SA vapor permeable, self-adhesive, water-resistive air barrier for commercial and residential use. It is specially designed with a “Plus” edge. This consists of a 2-inch strip of adhesive applied to the top edge of the front side of the DELTA®-VENT SA and covered with a release liner. Locking this edge with the bottom side of the next row creates a secure and tightly sealed lap, which removes any chance of pealing or lifting after application. The “Plus” edge helps the wall system remain air- and water-tight throughout its service life. For more information, visit www.cosella-dorken.com.