The Outsulation PE system incorporates the concept of pressure equalization by introducing an interlocking cavity in back of the cladding to pressurize during a wind-driven rain event. This eliminates any pressure differential that would draw water into the cavity from a breach in the outside surface. By removing the driving force, the water simply flows down the outside wall surface. The inclusion of an air- and water-resistive barrier assembly will also stop air infiltration through the wall assembly, improving interior comfort as well as thermal performance.
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