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Insulating Exterior Foundation Walls

Concrete walls let cold from the ground transfer directly into the basement. When FOAMULAR® rigid extruded polystyrene (XPS) foam insulation is installed directly against the foundation wall, your customers can enjoy insulated comfort in their basement living space.

FOAMULAR® rigid extruded polystyrene (XPS) foam insulation is made to stand up to damp below-grade conditions. Its excellent moisture resistance means it maintains its R-value even after long-term exposure to water and wet soil. And its rugged construction readily withstands the pressure of backfilling and resists the effects of acids and other decaying elements in the soil.

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