FOAMULAR 250 R-15 XPS Foam Board, 3″ x 4′ x 8′

Rigid extruded polystyrene (XPS) foam board with 25 PSI compressive strength delivers R-15 thermal performance in a 3-inch panel. Durable, moisture-resistant board for foundations, sheathing, under-slab and cavity walls; easy to score, snap, and install.

Key Features:

High R-Value: R-15 at 3 inches for strong thermal resistance
Durable Strength: 25 PSI compressive strength handles jobsite loads
Moisture Resistant: XPS core resists water absorption to retain R-value
Easy to Work With: Lightweight panels score and snap cleanly; no special tools needed
Versatile Use: Suitable for exterior/interior foundation walls, sheathing, under slab, and cavity walls
*Special order item

Please check the Product Data Sheet Here

Specifications Table:

Specification	Details
Insulation Type	XPS (Extruded Polystyrene) Rigid Foam Board
Compressive Strength	25 PSI
R-Value	R-15
Thickness	3 in
Width	48 in
Length	96 in (8 ft)
Coverage Area	32 sq ft per board
Edges	Square Edge; scored
Faced or Unfaced	Unfaced
Compatible Install Surface	Concrete, Plywood, Wood
Interior/Exterior	Interior/Exterior
Insulation Features	Formaldehyde Free, Moisture Retardant, Mold Resistant, Water Resistant
Number of Pieces	1
Pack Size	1
Warranty	Limited Lifetime

Frequently Asked Questions (FAQ):

Q: Can this be used below grade or under a slab?
A: YesFOAMULAR 250 XPS is rated for below-grade applications including exterior foundation walls and under-slab use.

Q: Is the board faced or unfaced?
A: Unfaced XPS; a separate thermal barrier like drywall is required when left exposed indoors.

Q: What are the panel dimensions and coverage?
A: Each panel measures 3 in. thick x 48 in. wide x 96 in. long and covers 32 sq. ft.

Q: What tools are needed to cut it?
A: Score with a utility knife and snap; no special tools required.

Q: Is it mold or moisture resistant?
A: YesXPS resists moisture absorption and is mold resistant, helping maintain thermal performance.

Sculpted Thermal Armor for Modern Envelopes

This crisp, pink XPS panel brings a tailored precision to walls and foundations, creating a seamless thermal envelope that feels intentional and refined. The standout is its confident 3-inch profileR-15 performance with a sleek, square edge that lines up beautifully. Pair it with clean-detailed cladding and polished concrete for a minimalist, high-performance shell. Its an essential layer of quiet luxury, where form meets formidable function.

Upgrade your envelope with FOAMULAR 250 and lock in durable, R15 performanceadd to cart and start insulating today.

Warranty

Installation

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