Insulation and Underlayments Documents
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Rigid-roof insulation composite panel composed of a closed-cell polyisocyanurate foam core bonded during the manufacturing process directly to oriented strand board (OSB).
Cover Board Quick Reference Guide
InsulFoam Taper is an engineered insulation consisting of a superior closed-cell, lightweight and resilient expanded polystyrene (EPS). InsulFoam Taper is cut from the same high-quality EPS as our flat InsulRoof products.
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InsulFoam Flat EPS is a rigid insulation board composed of closed-cell, lightweight expanded polystyrene (EPS). This product is available in a wide range of board sizes and densities that meet or exceed the requirements of ASTM C578, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation. InsulFoam Flat offers a long-term, stable R-value and offers excellent dimensional stability, compressive strength, and water resistance.