When specifying air barriers, it is advisable to bypass gaps allowing air and moisture in by choosing tested systems with protection for critical connections, adjacent systems, and transitions. Tremco offers a comprehensive line of ExoAir® air barrier membranes, sealants, and engineered transition assemblies formulated for compatibility and continuity.
Whether a project dictates fluid or self-adhered membranes, Tremco’s complete air barrier portfolio can meet any specification. Tremco’s products, including ExoAir 110AT and ExoAir 230, have passed the National Fire Protection Association (NFPA) 285, Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Wall Assemblies Containing Combustible Components, and received an Underwriters Laboratories (UL) safety certification for exterior wall systems and components.
ExoAir 110AT is an impermeable, ultraviolet (UV)-resistant, self-adhered sheet designed to be applied to exterior cavity walls to mitigate air infiltration/exfiltration, vapor transmission, and water penetration. The membrane can be used in an air barrier assembly as well as a transition material. It is lightweight for ease of installation.
ExoAir 230 is a permeable, UV-resistant, liquid-applied membrane formulated to retard the migration of air and bulk water, while permitting water vapor to pass through, thereby resulting in greater flexibility of the air barrier membrane placement within the wall design. The membrane is typically applied to exterior sheathing panels, concrete block, poured concrete, or wood substrates and is designed for high temperature resistance.
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