ExoAir® 220

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Fluid-Applied, Asphaltic Air & Vapor Permeable Membrane

ExoAir® 220

Fluid-Applied, Asphaltic Air & Vapor Permeable Membrane

A monolithic, elastomeric asphalt emulsion membrane designed to be rolled or sprayed onto exterior above-grade wall assemblies, ExoAir® 220 mitigates air infiltration/exfiltration and water penetration while remaining permeable to the passage of water vapor.

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Benefits of Using ExoAir 220 in Your Next Project

Seamless Membrane

Creates a continuous air and vapor permeable barrier

Installation Flexibility

Can be roller or spray applied

ExoAir 220 Is Best For

Exterior-grade gypsum
Concrete
Unpainted, unsealed masonry
Exterior grade plywood

Metal

Product Properties

Application Method	Roller, Spray
Application Temperature	Above 40 °F (5 °C) and rising
ASTM E2178: Material Air Permeance	0.002 cfm/ft² @ 1.56 lb/ft² (0.012 L/sm²)
ASTM E96: Water Vapor Transmission	13 perms
NFPA 285: Fire Resistance of Assembly	Pass

ExoAir 220 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 220

	ExoAir® 220	ExoAir® 210AT	ExoAir® 230 / 230LT	Securock® ExoAir® 430
Application Method	Roller, Spray	Self-adhered	Roller, Spray, Trowel	Typical sheathing installation
Application Temperature	Above 40 °F (5 °C) and rising	Above 20 °F (-7 °C) and rising	Above 40 °F (5 °C) and rising \| LT: above 20 °F (-6 °C) and rising	All temperatures
Exposure Limit	6 mo	6 months	12 months	12 months
NFPA 285: Fire Resistance of Assembly	Pass	Pass	Pass	Pass
Thickness	60 dry, 36 wet		48 dry, 25 wet	20 dry mils
Type/Technology	Polymer-modified asphaltic emulsion	Acrylic sheet with nonwoven facer	Synthetic acrylic	Pre-applied fluid synthetic membrane to exterior gypsum sheathing