EXOAIR® 220 is typically applied to exterior sheathing panels, concrete block, poured concrete or wood substrates as an air and vapor barrier material. EXOAIR® 220 can be used with EXOAIR 110, EXOAIR 111 or EXOAIR 230 to transition into window and door openings.
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ExoAir™ 220R Fluid-Applied Vapor Permeable Air Barrier Membrane is a monolithic elastomeric membrane designed to be rolled on exterior above-grade walls to seal wall assemblies and prevent air infiltration/exfiltration, while remaining permeable to the passage of water vapor. ExoAir 220R is compatible with and part of a complete line of air barrier systems provided by Tremco under the ExoAir™ brand.
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