ExoAir 110AT is a high-performance, self-adhering air barrier membrane designed to deliver superior protection against air, vapour, and water infiltration. This 18-mil composite sheet features a durable 12-mil butyl adhesive layer and a 6-mil HDPP facer, offering unmatched durability and ease of installation.
Whether you're sealing exterior cavity walls, detailing around windows and doors, or installing through-wall flashing, ExoAir® 110AT ensures a continuous, air-impermeable barrier that meets the highest standards of structural integrity and long-term performance.
Key Features
No Primer Needed– Save time with fast, primerless application.
Durable & Consistent– Uniform thickness ensures reliable coverage and performance.
Rugged Protection– HDPP facer resists damage during construction.
Thermal Stability– The white facer reduces heat absorption for improved performance in varying temperatures.
Versatile Installation– Works on sheathing, concrete, steel, wood, ICFs, and more.
All-Weather Ready– Installs in temperatures as low as 20°F (-6 °C) and rising.
Lightweight & Efficient– Easier handling compared to traditional 40-mil systems.
Applications
Exterior sheathing boards
Concrete block and poured concrete
Steel and wood substrates
Nudura and other insulated concrete forms (ICFs)
Window and door transitions
Available Sizes
Widths:4", 6", 9", 12", 18", 24", 36"
Length:75 ft per roll
Packaging:Varies by width (see product specs for details)
Coverage
Coverage depends on the selected width. Choose the size that best fits your project needs.
Availability
ExoAir® 110AT is available through Tremco distributors and sales representatives. Visitwww.tremcosealants.comto find a distributor near you.
