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This article first appeared in the PB December 2014 issue of Pro Builder.

Cosella-Dörken has launched this vapor-permeable, self-adhesive, water-resistive air barrier for commercial and residential use. The Delta-Vent SA effectively combines highly aggressive special adhesives with high vapor permeability to create an air- and water-tight barrier that increases energy efficiency. The barrier eliminates leaks at fasteners and helps improve the performance of the building enclosure. By including a unique self- adhesive edge lap, the Delta-Vent SA also ensures efficiency long after application.

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