ExoAir® 110AT Self-Adhered Air and Vapour Barrier Membrane
TDS
Seal, Protect, and Perform with Confidence
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. Visit www.tremcosealants.com to find a distributor near you.
