ExoAir® 120

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Fluid-Applied, Asphaltic Air & Vapor Barrier Membrane

ExoAir® 120

Fluid-Applied, Asphaltic Air & Vapor Barrier Membrane

A monolithic, elastomeric air and vapor barrier designed to seal exterior above-grade wall assemblies and mitigate air infiltration/exfiltration, vapor transmission and water penetration. ExoAir® 120 is available in spray (SP) and roller (R) grades.

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Benefits of Using ExoAir 120 in Your Next Project

Seamless Membrane

Creates a continuous air and vapor barrier

Installation Flexibility

Can be roller or spray applied

Fast Installations

Can be co-sprayed to accelerate the curing process in adverse weather

ExoAir 120 Is Best For

Exterior grade gypsum
Concrete
Unpainted, unsealed masonry
Exterior grade plywood

Metal

Product Properties

Application Method	Roller, Spray
Application Temperature	40 °F (5 °C) and rising
ASTM E2178: Material Air Permeance	0.0001 cfm/ft² (0.0005 L/sm²)
ASTM E96: Water Vapor Transmission	0.028 perms
Service Temperature	Intermittent exposure up to 158 °F (70 °C)
Thickness	60 dry, 40 wet

ExoAir 120 Resources

Download any of these featured resources or find a specific type of document below.

Data Sheet

Application/Installation Instruction

Architectural Specification

Product Literature

Comparing ExoAir® 120

	ExoAir® 120	ExoAir® 110AT	ExoAir® 130
Application Method	Roller, Spray	Self-adhered	Roller, Spray
Application Temperature	40 °F (5 °C) and rising	20 °F (-6°C) and rising	Above 40 °F (5 °C) and rising
Exposure Limit	30 days	12 months	30 days
NFPA 285: Fire Resistance of Assembly	Fail	Pass	Pass
Type/Technology	Polymer-modified emulsion	Butyl sheet with white HDPP facer	Synthetic acrylic fluid