R-10 XPS rigid foam insulation board (2 in. x 4 ft. x 8 ft.)

Owens Corning FOAMULAR NGX F-250 is an unfaced XPS rigid foam board designed to deliver durable R-10 insulation in demanding areas like basements, crawlspaces, exterior foundations, and under-slab applications. Its lightweight, easy to score and cut, and engineered for moisture resistance to help maintain thermal performance over time.

Key Features:

• Moisture Resistance: Closed-cell XPS resists water and helps retain R-value even in wet or below-grade applications.
• Easy to Cut & Install: Lightweight board can be scored and cut without special tools for fast fitting and installation.
• Versatile Applications: Suitable for interior/exterior use on concrete, plywood, and wood surfaces including basement walls, crawlspaces, exterior foundations, and under slabs.
• Unfaced Board Design: Unfaced foam board for flexible installation and layering within wall and foundation assemblies.
• Lower Global Warming Potential Formulation: NGX manufactured with a next-generation blowing agent to significantly reduce global warming potential versus legacy FOAMULAR XPS.

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What area does one board cover?
A: One board covers 32 sq. ft. (4 ft. x 8 ft.).

Q: Where can this foam board be installed?
A: Its listed for use in basements, crawlspaces, exterior wall foundations, and under-slab applications, and can be installed on concrete, plywood, or wood surfaces.

Q: Is it faced?
A: Nothis product is unfaced XPS rigid foam board insulation.

Q: Can it be used indoors and outdoors?
A: Yes, it is rated for interior/exterior use.

Q: Do I need special tools to cut it?
A: Noit’s designed to be easy to score, cut, and install without special tools.

Quiet Strength for the Bones of the Home

Luxury begins with what you dont seethe layers that make a space feel calm, consistent, and effortlessly comfortable. FOAMULAR NGX F-250 brings that invisible refinement with a streamlined, unfaced pink panel thats easy to shape and fit, while standing up to moisture in the places that matter most. Use it to elevate basements, foundations, and under-slab builds so the room above feels warmer, steadier, and more intentional. Its the kind of foundational upgrade that makes everyday living feel impeccably composed.

Upgrade your build with FOAMULAR NGX F-250 for moisture-resistant R-10 performance in a fast-to-install 4 ft. x 8 ft. board.

Warranty

Installation