Owens Corning R-10 (15 PSI) FOAMULAR NGX Extruded Polystyrene Foam Board Insulation, 2 in. x 4 ft. x 8 ft., Square Edge

Regular price $53.43

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

High-performance FOAMULAR NGX XPS foam board delivers R-10 thermal resistance in a durable 2-inch panel with 15 PSI compressive strength. Moisture-resistant, lightweight, and easy to cut, it’s ideal for exterior sheathing, foundations, cavity walls, and more. Square-edge design fits flush for clean, continuous insulation.


Key Features:

  • Reliable Thermal Performance: R-10 in a 2-inch-thick XPS board for strong energy savings
  • Moisture Resistant: Low water absorption helps maintain R-value in damp conditions
  • Durable Strength: 15 PSI compressive strength handles jobsite and in-wall demands
  • Easy to Work With: Lightweight panels score, snap, and cut cleanly—no special tools
  • Sustainability Forward: NGX blowing agent cuts global warming potential by >80% vs. prior FOAMULAR formulations

Specifications Table:

Specification Details
Insulation Type XPS (Extruded Polystyrene) Foam Board
Series FOAMULAR NGX 150
R-Value R-10
Thickness 2 in
Width 48 in (4 ft)
Length 96 in (8 ft)
Coverage Area 32 sq ft per panel
Compressive Strength 15 PSI
Edge Profile Square Edge (also available Scored Square Edge)
Faced or Unfaced Unfaced
Features Formaldehyde Free; Moisture Retardant; Mold Resistant; Water Resistant
Interior/Exterior Use Exterior (check local codes for vapor retarder/barrier)
Typical Applications Basement and crawl space walls; exterior foundation walls; exterior sheathing; cavity walls
Number of Pieces 1 panel
Pack Size 1
Product Weight 8 lb
Warranty Limited Lifetime
Environmental Note NGX blowing agent with >80% reduction in global warming potential vs. legacy FOAMULAR; HFC-134a eliminated
Certifications GREENGUARD Certified; ENERGY STAR Seals and Insulates program listed
Model/Part Number 87WDNGX

Frequently Asked Questions (FAQ):

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


Q: Where can I use it?
A: Commonly used on basement/crawl space walls, exterior foundation walls, exterior sheathing, and cavity walls; follow local codes.


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


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


Q: How much does a panel weigh?
A: Approximately 8 lb per panel.


Sculpted Warmth with a Sleek, Modern Edge

This crisp, square-edge foam board creates a quiet, insulated envelope that feels polished and purposeful. I love the saturated pink and fine scoring that make clean, custom lines effortless on site. Float it behind exterior sheathing or layer it along foundation walls to craft a refined, energy-savvy shell. It’s a smart, beautiful essential for high-performance, luxurious living.


Upgrade your envelope with FOAMULAR NGX R-10 and lock in energy savings—add it to your project plan today.

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