Exterior Grade

Fire rated EPS exterior grade insulation

InsulFoam EG (Exterior Grade) insulation is a versatile product consisting of a superior closed-cell, lightweight and resilient expanded polystyrene (EPS). InsulFoam EG meets or exceeds the requirements of ASTM C578, Standard Specification for Rigid, Cellular Polystyrene Insulation. 

InsulFoam EG can be manufactured in a wide range of block and panel sizes, and in a wide assortment of shapes and densities. InsulFoam EG insulation offers a long-term, stable R-Value, has excellent dimensional stability, compressive strength and water resistant properties.


Insulfoam Exterior Grade (EG) Insulation is easily textured, dimensionally stable, and resistant to physical and environmental abuse. EG is the preferred exterior insulation used with exterior wall systems and is successfully used in numerous commercial, industrial and residential applications for Exterior Insulation Finishing Systems (EIFS).