Owens Corning FOAMULAR R-5 (15 PSI) XPS Foam Board Project Panel, 1 in. x 2 ft. x 2 ft., Square Edge

Regular price $9.87

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FOAMULAR R-5 1 in. x 2 ft. x 2 ft. XPS Foam Board Panel

High-performance FOAMULAR XPS rigid foam board delivers R-5 insulation in a compact 1 in. x 2 ft. x 2 ft. project panel. Lightweight, easy to cut, and moisture-resistant, it’s ideal for crafts, garage, or interior/exterior projects where durable thermal performance is needed.


Key Features:

  • Reliable Thermal Performance: R-5 per 1-inch thickness helps improve energy efficiency
  • Moisture Resistant: XPS construction resists water absorption to retain R-value
  • Easy to Work With: Strong yet lightweight pink board cuts cleanly—no special tools required
  • Versatile Application: Suitable for interior or exterior projects on wood, plywood, or concrete
  • Square-Edge Panel: 1 in. x 24 in. x 24 in. format is convenient for small projects and repairs

Specifications Table:

Specification Details
Insulation Type XPS Rigid Foam Board
R-Value R-5
Thickness 1 in
Width 24 in (2 ft)
Length 24 in (2 ft)
Edge Type Square Edge
Faced or Unfaced Unfaced
Interior/Exterior Interior/Exterior
Compatible Install Surface Concrete, Plywood, Wood
Insulation Features Formaldehyde Free, Moisture Retardant, Mold Resistant, Water Resistant
Number of Pieces 1
Pack Size 1
Coverage Area 4 sq ft
Compressive Strength 15 PSI (per source title)
Sheathing Type XPS
Warranty Limited Lifetime

Frequently Asked Questions (FAQ):

Q: Can this panel be used outdoors?
A: Yes—FOAMULAR XPS is suitable for interior/exterior use; protect it as required by code and from prolonged UV exposure.


Q: What is the R-value?
A: R-5 for this 1-inch-thick panel.


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


Q: How do I cut it?
A: Score with a utility knife and snap, or use a fine-tooth saw for detailed cuts.


Q: Is it mold or mildew resistant?
A: Yes, the closed-cell XPS resists moisture, helping inhibit mold and mildew growth.


A Chic, Modern Layer of Comfort

This petite FOAMULAR panel slips into projects with a whisper of smart engineering and a splash of signature pink. Its crisp square edge and velvety surface bring a tailored precision that upgrades everything from craft builds to concealed wall assemblies. Pair it behind millwork or paneling to quiet drafts and sharpen lines. Consider it a refined essential—performance insulation with a fashion-forward attitude.


Upgrade your next project with FOAMULAR R-5 XPS and enjoy durable, moisture-resistant insulation made easy.

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