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 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.

ExoAir 120 Data Sheet

ExoAir 120 Application Instructions

Section 07 27 26 Fluid-Applied ExoAir 120

Below-Grade Waterproofing and Air Barrier Compatibility

Comparing ExoAir® 120

	ExoAir® 120	ExoAir® 110AT	ExoAir® 130
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	12 Months
NFPA 285: Fire Resistance of Assembly	Fail	Pass	Pass
Type/Technology	Polymer-modified emulsion	Butyl sheet with white HDPP facer	Synthetic acrylic fluid