2-Inch X 4-Foot X 8-Foot Squared Edge Foamular 150 Insulation Sheathing
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* Estimated stock levels as of Sun, Dec 3, 2023. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
- Offers a weather resistant barrier (when joints are sealed) to enhance the building resistance to air and moisture penetration.
- Delivers R-5 per inch insulation to interior basement walls. FOAMULAR cannot be left exposed in a basement and must be covered by a thermal barrier, such as gypsum drywall, that is at least 1/2 in thick.
- FOAMULAR 150 is an ideal product for insulting crawlspace walls because FOAMULAR boards are easy to handle and installation is not difficult. Crawlspaces may not require a fire barrier; check your local codes for requirements
Owens Corning FOAMULAR 150 Extruded Polystyrene XPS Rigid Foam Insulation is a closed cell, moisture-resistant rigid foam board well suited to meet the need for a wide variety of building applications. FOAMULAR 150 Extruded Polystyrene XPS Rigid Foam Insulation is great for many residential and commercial construction above grade applications such as wall furring, cavity wall, crawl spaces, sheathing and other applications.