FOAMULAR 150 R-5 1″ XPS Foam Board Insulation, 4′ x 8′

Rigid FOAMULAR 150 extruded polystyrene (XPS) board delivers R-5 thermal performance in a 1-inch thickness with 15 PSI compressive strength. Lightweight, easy to score and snap, and moisture-resistant for use on walls, basements, and exterior sheathing.

Key Features:

Energy-Saving XPS: Closed-cell XPS resists moisture and retains R-value in extreme temperatures
Durable Strength: 15 PSI compressive strength suitable for walls, attics, garages, and sheathing
Easy to Work With: Scores and snaps cleanly; easy to cut, form, and fit
Versatile Applications: Interior/exterior use on wood, plywood, and concrete surfaces
Healthy Home Choice: Formaldehyde-free and GREENGUARD Gold Certified

Please check the Product Data Sheet Here

Specifications Table:

Specification	Details
Insulation Type	Extruded Polystyrene (XPS) Rigid Foam Board
Model / SKU	20WE
Compressive Strength	15 PSI
R-Value	R-5
Thickness	1 in
Width	48 in (4 ft)
Length	8 ft
Coverage Area	32 sq ft per board
Edge Type	Tongue and Groove (product title); also available in Scored Square Edge per variant listings
Faced or Unfaced	Unfaced
Interior/Exterior	Interior/Exterior
Compatible Install Surface	Plywood, Wood
Insulation Features	Formaldehyde Free; GREENGUARD Gold Certified; contains minimum 20% recycled content (SCS certified)
Moisture Resistance	Closed-cell XPS resists moisture and retains R-value after exposure
Sheathing Type	XPS
Number of Pieces	1
Pack Size	4 (retailer pack option)

Frequently Asked Questions (FAQ):

Q: Can this insulation be used both indoors and outdoors?
A: Yes, FOAMULAR 150 can be used on interior and exterior walls; verify local codes for vapor retarder requirements.

Q: Does it help with soundproofing?
A: No. FOAMULAR products are not rated for STC and should not be used for soundproofing.

Q: What are the board dimensions and R-value?
A: Each board is 1 in. thick, 4 ft. wide, and 8 ft. long, covering 32 sq. ft., with an R-5 value.

Q: Is the board faced or unfaced?
A: Unfaced rigid foam board.

Q: What cutting tools are needed?
A: No special toolsscore with a utility knife and snap to size.

Sleek Thermal Armor for Clean, Modern Envelopes

This crisp pink panel brings tailored efficiency to the building envelope, wrapping spaces in a refined, continuous layer of comfort. The smooth XPS surface and tidy score lines create an orderly, modern aesthetic during install while delivering steadfast R-value. Use it as exterior sheathing to sharpen facade lines and reduce thermal bridging, then finish with streamlined cladding for a luxe, quiet presence. Its a discreet essential that elevates performance to a standard of everyday luxury.

Upgrade your envelope with FOAMULAR 150 today for dependable R-5 performance and easy, moisture-resistant installation.

Warranty

Installation

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