• ExoAir 110AT
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ExoAir® 110AT

Self-Adhered Air and Vapor Barrier Membrane

ExoAir® 110AT is an 18-mil composite impermeable membrane that is comprised of 12 mils of butyl and 6 mils of HDPP facer. It can be used as the membrane, detailing accessory, as well as thru wall flashing of an air barrier system. ExoAir® 110AT when installed properly as a system will provide the requirements of an air barrier: air impermeable, continuity, structural integrity, and durability.

Basic Uses
  • ExoAir 110AT is an impermeable, self-adhered sheet designed to be applied to exterior cavity walls in order to mitigate air infiltration/exfiltration, vapor transmission and water penetration.
  • Typically applied to exterior sheathing boards and concrete block, ExoAir 110AT can also be applied to poured concrete, steel, wood based, Nudura Insulated Concrete Forms (ICF), and insulated concrete forms substrate, as well as serve as detailing or a transition membrane into window and door openings.
  • ac_unit ExoAir 110AT is designed to be installed when both the air and surface temperature is 20°F (-7°C) and rising.

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Product Details, Safety, and Installation
Frequently Asked Questions
  • Are ExoAir membranes self-gasketing?

    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.