Owens Corning R-3 (15 PSI) FOAMULAR NGX 150 Extruded Polystyrene Foam Board Insulation, 1/2 in. x 4 ft. x 8 ft., Square Edge

Regular price $22.74

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FOAMULAR NGX 150 R-3 XPS Foam Board, 1/2 in. x 4 ft. x 8 ft.

Rigid XPS foam board insulation designed for exterior sheathing and general projects. Delivers R-3 thermal performance in a 1/2 in. sheet with excellent moisture resistance and easy, tool-free cutting. Square-edge board fits flush for efficient coverage across 32 sq. ft.


Key Features:

  • Moisture Resistant XPS: Retains R-value even after exposure to water
  • Easy Handling & Install: Lightweight panels score and snap cleanly—no special tools
  • Sustainable NGX Formulation: Blowing agent with >80% reduction in global warming potential vs. legacy FOAMULAR
  • Square Edge Fit: Flush edges simplify seams and coverage on walls and sheathing
  • Lifetime Limited Warranty: Backed by Owens Corning for long-term performance

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Insulation Type Extruded Polystyrene (XPS) Rigid Foam Board
Model/SKU 36L
Thickness 0.5 in (1/2 in.)
Width 48 in (4 ft)
Length 8 ft
Sheet Edge Square Edge
Insulation R-Value R-3
Compressive Strength 15 PSI (FOAMULAR NGX 150)
Coverage Area 32 sq ft per board
Faced or Unfaced Unfaced
Interior/Exterior Exterior
Compatible Install Surface Plywood, Wood
Number of Pieces 1
Pack Size 1
Product Weight 2.7 lb
Sheathing Type XPS
Warranty Limited Lifetime
Environmental >80% reduction in GWP vs. legacy FOAMULAR; GREENGUARD Certified; contains minimum 20% recycled content
Certifications/Standards ASTM C578; CAN/ULC-S701 (per warranty image)

Frequently Asked Questions (FAQ):

Q: Can this be used outdoors?
A: Yes, it’s designed for exterior sheathing; verify local code requirements for vapor barriers.


Q: What surfaces is it compatible with?
A: Commonly installed over plywood or wood framing.


Q: Is it faced?
A: No, this product is unfaced XPS foam.


Q: How do I cut it?
A: Score with a utility knife and snap; no special tools required.


Q: What is the coverage and R-value?
A: Each 1/2 in. x 4 ft. x 8 ft. board covers 32 sq. ft. and provides R-3.


Sleek, High-Performance Insulation for Modern Envelopes

This streamlined pink board brings crisp lines and smart efficiency to your building envelope. The square-edge profile creates a polished, continuous plane while the NGX formulation elevates sustainability. Layer it behind siding or architectural panels to enhance thermal comfort without disrupting your clean aesthetic. It’s a quiet essential for luxe, well-insulated living.


Upgrade your envelope with FOAMULAR NGX 150 for reliable R-3 performance and easy installation—add it to your project today.

Warranty

Installation

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