Exterior Wall Systems: New Trends in Materials and Design A Fresh Perspective on Sustainability in Consumer Goods

Water and Exterior Wall Systems

To prevent water infiltration and air leakage, Exterior Wall System must utilize integrated water and air barrier systems. An air barrier blocks airflow between indoor and outdoor environments, while a water barrier prevents liquid water from entering.

Common air and water barrier materials include buildingwraps, fluid-applied and self-adhered membranes, and concealed exterior insulation finish systems (EIFS). These barrier systems are typically installed under exterior cladding or on the sheathing prior to siding installation.

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