Self-Adhered Air and Vapor Barrier Membrane

ExoAir® 110AT is a 22-mil composite impermeable membrane that is comprised of 16 mils of butyl and 6 mils of HDPP facer.  It can be used as the membrane or as a detailing accessory 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 and wood based substrate as well as serve as detailing or a transition membrane into window and door openings.
• ExoAir 110AT is designed to be installed when both the air and surface temperature are 20 °F (-6 °C) and rising