ExoAir 110

Self-Adhered Air & Vapor Barrier Membrane

ExoAir® 110 is a composite 40-mil sheet designed for use as the membrane or as a component of an air barrier system. ExoAir 110 is 36 mils of self-adhering SBS rubberized asphalt laminated to 4 mils of white, cross-laminated, high-density polyethylene film and a siliconized release liner.

Basic Uses
  • ExoAir 110 is an impermeable, self-adhered sheet designed to be applied to exterior cavity walls to mitigate air infiltration/exfiltration, vapor transmission and water penetration.
  • ExoAir 110 is typically applied to exterior sheathing boards and concrete block, but can also be applied to poured concrete, steel and wood based substrates.
  • ExoAir 110 also serves as a detailing or transition membrane into window and door openings.
  • ExoAir 110 is designed to be installed when both the air and surface temperature are 30 °F (-1 °C) and rising.

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  • Is a primer needed?
    Primer is not required prior to application of ExoAir 120/220. ExoAir Primer is also generally not required when applying ExoAir 230 unless you are applying it onto metal or transitioning it onto the exposed face of ExoAir 110. ExoAir Primer is required prior to the application of ExoAir 110.
  • Are ExoAir membranes self-sealing?
    Yes, all the ExoAir membranes have passed the ASTM tests for nail sealability. The typical nail sealability tests include a smooth roofing nail. Tremco has also tested for nail sealability with a variety of screws and other fasteners. Please refer to the Technical Bulletin for nail sealability.
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