OWENS CORNING 1" x 2' x 8' C-300 Foamular Butt Edge Foam Insulation

Insulate your home with FOAMULAR® C-300 Extruded Polystyrene Rigid Insulation, a moisture-resistant, rigid foam insulation, which can be used for above and below grade wall assemblies and concrete floor slabs.

• Use for residential and commercial above and below grade wall assemblies and under slab (
• Helps save money on heating and cooling costs
• Long-term thermal resistance; R-5 per inch of thickness
• Easy to cut, score and install
• Lightweight, durable and moisture-resistant
• Contains 20% recycled content; SCS certified
• 1" x 2' x 8' (with square edge)

Specifications (pdf)

Our Return Policy

To be eligible for a return, refund or exchange, merchandise must be unused, undamaged, in its original packaging, and accompanied by the original bill of sale. If you're not satisfied that the items meet your needs, Home Hardware stores will accept the return of most regularly stocked items within 90 days of purchase. All refunds will be issued to the original method of payment.

Lumber, Building Materials, Furniture and Major Appliances return policies are subject to your local store.

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