Owens Corning FOAMULAR 250 R-10 XPS Foam Board Insulation, 2 in. x 4 ft. x 8 ft, Tongue & Groove Edge, 25 PSIFOAMULAR 250 R 10 XPS Foam Board, 2" x 4' x 8' Rigid extruded polystyrene (XPS) board delivering R 10 thermal performance at 2 inches with 25 PSI compressive strength. Lightweight, easy to cut, and moisture resistantideal for interior exterior foundation walls, sheathing, cavity walls, basements, and crawlspaces. Key Features: High R Value Efficiency: R 10 at 2 inches helps reduce energy loss in walls and foundations Durable Strength: 25 PSI

FOAMULAR 250 R-10 XPS Foam Board, 2" x 4' x 8'

Rigid extruded polystyrene (XPS) board delivering R-10 thermal performance at 2 inches with 25 PSI compressive strength. Lightweight, easy to cut, and moisture resistant—ideal for interior/exterior foundation walls, sheathing, cavity walls, basements, and crawlspaces.

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Key Features:

• High R-Value Efficiency: R-10 at 2 inches helps reduce energy loss in walls and foundations
• Durable Strength: 25 PSI compressive strength stands up to jobsite and in-service loads
• Moisture Resistance: Closed-cell XPS resists water absorption to help maintain thermal performance
• Easy to Work With: Lightweight board scores and snaps cleanly—no special tools required
• Sustainable Formulation: NGX blowing agent significantly lowers global warming potential

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Specifications Table:

Specification	Details
Series Name	FOAMULAR NGX F-250
Insulation Type	Extruded Polystyrene (XPS)
Compressive Strength	25 PSI
R-Value (Thickness)	R-10 at 2 inches
Actual Thickness (Inches)	2
Actual Width (Feet)	4
Actual Length (Feet)	8
Coverage Area	32 sq ft per board
Edge Type	Tongue & Groove
Faced/Unfaced	Unfaced
Use Location	Indoor/Outdoor
Water Resistant	Yes
Vapor Retardant	Yes
Mold Resistant	Yes
Formaldehyde Free	Yes
ENERGY STAR Certified	Yes
GREENGUARD Gold Certified	Yes
For Use in Basements	Yes
For Use in Crawlspaces	Yes
For Use in Walls	Yes
For Use on Wood	Yes
Maximum R-Value	10
Package Quantity	1
Warranty	Limited lifetime
UNSPSC	30141500
Color	Pink

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Frequently Asked Questions (FAQ):

Q: Can this board be used below grade or on foundation walls?
A: Yes. It’s suitable for interior/exterior foundation walls, basements, and crawlspaces; follow local codes and flashing/drainage best practices.

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Q: Does it have a facing?
A: No. This panel is unfaced XPS.

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Q: What are the actual dimensions and coverage?
A: Each board is 2 in thick x 4 ft wide x 8 ft long, covering 32 sq ft.

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Q: Is a vapor retarder needed?
A: The board provides inherent vapor retarding; additional layers depend on local code and assembly design.

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Q: How do I cut and install it?
A: Score with a utility knife and snap to size; fasten per manufacturer guidance for the substrate using compatible adhesives/fasteners.

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A Sleek Thermal Skin for Modern Envelopes

FOAMULAR 250 wraps a home in a crisp, uniform plane of blush-toned insulation that feels tailored and intentional. The 2-inch profile and tongue-and-groove edges create a tight, shadow-free surface that reads clean behind cladding. Pair it with warm wood siding or smooth stucco for a refined, energy-forward facade. It’s a quiet luxury—performance you can’t see, comfort you can feel.

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Upgrade your envelope with FOAMULAR 250 and lock in long‑lasting comfort and energy savings—add it to your cart today.