Air Barriers

Grace Construction Products offers three lines of Perm-A-Barrier air barriers. Perm-A-Barrier VPO is a fluid-applied, vapor permeable air barrier membrane designed for commercial and residential applications requiring indirect and intermittent UV exposure. The Perm-A-Barrier Aluminum Wall Membrane provides a self-adhering, self-sealing waterproofing membrane for air and vapor barrier applications. And the Perm-A-Barrier VPS, a self-adhering vapor permeable air barrier membrane, consists of a breathable carrier film with a specially designed adhesive. Learn more >