FOAMULAR NGX 250 R-20 XPS Foam Board, 4x4x8 Square Edge

High-performance extruded polystyrene (XPS) foam board with R-20 insulating power in a 4-inch thickness. Designed for interior or exterior applications, it offers excellent moisture resistance and durable 25 PSI compressive strength. Easy to cut and install for basement walls, exterior sheathing, and below-grade uses.

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Key Features:

• High R-Value: R-20 at 4 in. thickness for strong thermal performance
• Durable Strength: 25 PSI compressive strength handles demanding loads
• Moisture Resistant: XPS resists water absorption to retain R-value
• Easy to Work With: Lightweight panels score and snap cleanly for fast installs
• Versatile Use: Suitable for interior/exterior walls, sheathing, and below slabs

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Insulation Type	XPS Rigid Foam Board
Product Thickness	4 in
Product Width	48 in
Product Length	8 ft (96 in)
Sheet Size	4 ft x 8 ft
Edge Type	Square Edge
R-Value	R-20
Compressive Strength	25 PSI (FOAMULAR NGX 250)
Faced or Unfaced	Unfaced
Coverage Area	32 sq ft per board
Number of Pieces	1
Pack Size	1
Interior/Exterior	Interior/Exterior
Compatible Install Surface	Concrete, Plywood, Wood
Insulation Features	Formaldehyde Free, Moisture Retardant, Mold Resistant, Water Resistant
Sheathing Type	XPS
Warranty	Limited Lifetime
Weight	18 lb

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Frequently Asked Questions (FAQ):

Q: Is this board faced or unfaced?
A: Unfaced XPS foam board.

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Q: Where can it be installed?
A: Commonly used on basement and crawl-space walls, exterior sheathing, cavity walls, and under slabs; check local codes for vapor retarder requirements.

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Q: Can it be left exposed?
A: No. It must be covered with a 15‑minute thermal barrier such as drywall.

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Q: What are the dimensions and coverage?
A: Each board is 4 in. thick, 48 in. wide, and 8 ft. long, covering 32 sq. ft.

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Q: What is the compressive strength?
A: 25 PSI (FOAMULAR NGX 250).

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A Sleek, Structural Pink Statement

This crisp, modern foam board brings architectural polish to utility—its saturated pink hue and refined square edge feel purposeful and chic. I love the bold graphic print that hints at performance while it quietly elevates the workspace. Use it to craft a perfectly insulated foundation and finish with smooth gypsum for a gallery-clean shell. It’s a behind-the-scenes essential that sets the stage for effortless, luxurious living.

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Upgrade your envelope with FOAMULAR NGX 250 and lock in efficient, durable insulation for years to come.

Warranty

Installation