Aerowall Siding Backer Board

AeroWall Siding Backer Board is a lightweight, engineered EPS insulation board designed to provide reliable thermal performance and moisture resistance behind exterior siding.

Product Highlights

R-value of 3.6 per inch at 75°F
Manufactured in various sizes, densities, and thicknesses to fit project needs
Made from expanded polystyrene (EPS); ASTM C578, Type I
Does not contain CFCs or HCFCs; provides no nutritive value to pests or mold

Features You Can Count On

Enhanced Thermal Performance

Moisture-Resistant Composition

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