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BELOW-GRADE Under Slab with Radiant Heating FOAMULAR® XPS Insulation


Below-Grade Under Slab system with FOAMULAR® Extruded Polystyrene rigid board insulation and radiant heating.

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Products in this Solution

Performance Attributes

Key Attributes:

Easy Installation
Limited Warranty
Moisture Management

ASHRAE 90.1 Compliant

ASHRAE Standard 90.1 requires Continuous Insulation (CI) be used for all commercial and some residential buildings in the United States. Continuous insulation is defined in 90.1 as “insulation that is continuous across all structural members without thermal bridges other than fasteners and service openings. It is installed on the interior, exterior, or is integral to any opaque surface of the building envelope”.

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Construction Details including BIM objects and CAD drawing files for Enclosure Solutions Foundation Systems are available for download below.

BIM Objects

Owens Corning Enclosure Solutions Foundation BIM

CAD Files

Foundation Section

Under Slab with Radiant Heating

with FOAMULAR® XPS Insulation


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