Securock® ExoAir® 430

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Securock® ExoAir® 430

Pre-Applied Fluid Synthetic Air & Vapor Permeable Membrane to Gypsum Exterior Sheathing

Securock® ExoAir® 430

Pre-Applied Fluid Synthetic Air & Vapor Permeable Membrane to Gypsum Exterior Sheathing

An ultralight glass-mat sheathing from USG Securock® and a factory applied Tremco ExoAir® air barrier are brought together in one panel that controls air, water and vapor throughout the building envelope. Perfect for increased project speed without sacrificing performance.

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Benefits of Using Securock ExoAir 430 in Your Next Project

Uniform Membrane Thickness

Factory-applied membrane ensures consistent application on every panel

NFPA 285

Independent UL Certification for NFPA 285 provides peace of mind

Minimize Weather Impacts

Installation in all seasons keeps jobs moving and buildings dried-in faster

Faster Installations

Save time by installing the sheathing and air barrier simultaneously

Improved Job-Site Scheduling and Management

Fewer trades are required, masons and glaziers start earlier

Enhanced Compatibility

Can be used in conjunction with other accessories to provide a comprehensive air barrier system

Securock ExoAir 430 Is Best For

Exterior grade gypsum
Projects with extended exposure to UV and high temperatures
ASTM E84 & NFPA 285 requirements

Product Properties

Values for 5⁄8" panel only

Application Method	Typical sheathing installation
Application Temperature	All temperatures
ASTM E2178: Material Air Permeance	0.0001 cfm/ft²
ASTM E96: Water Vapor Transmission	8 perms
NFPA 285: Fire Resistance of Assembly	Pass
Service Temperature	240 °F (115 °C)

Securock ExoAir 430 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 Securock ExoAir 430

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