Owens Corning R-5 (15 PSI) FOAMULAR 150 1 in. x 4 ft. x 8 ft. Extruded Polystyrene Foam Board Insulation – Tongue & Groove Edge
SKU: 64291657543

Owens Corning R-5 (15 PSI) FOAMULAR 150 1 in. x 4 ft. x 8 ft. Extruded Polystyrene Foam Board Insulation – Tongue & Groove Edge

Sale price$28.48 Regular price$31.65
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Description

Owens Corning R-5 (15 PSI) FOAMULAR 150 1 in. x 4 ft. x 8 ft. Extruded Polystyrene Foam Board Insulation – Tongue & Groove EdgeFOAMULAR 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

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 tools—score 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. It’s 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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64291657543

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★★★★★ 5
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Sun protection factor: 50 Sun Protection Factor (SPF), Size: 6 Ounce (Pack of 2)
Great product, works as intended. Goes on nice and smells great.
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Reviewed in the United States on March 2, 2026
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Lake Worth, US
★★★★★ 4
Bees think you’re a flower
Sun protection factor: 30 Sun Protection Factor (SPF), Size: 6 Fl Oz (Pack of 1)
Works great and I love the smell. Unfortunately so do the bees. Every time I wear it, attracts bees and have to fight off yellowjackets
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Reviewed in the United States on November 2, 2025
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Matter
Port Orchard, US
★★★★★ 5
One of the best-rated consumer sunscreens
Sun protection factor: 30 Sun Protection Factor (SPF), Size: 6 Fl Oz (Pack of 1)
I tend to analyze, no, overanalyze nearly every purchase I make. Sunscreen is no different. In fact, I'd say its one of those things you really shouldn't slack on... i mean Afterall, it's protecting the largest human organ! All of my in-depth reviews indicate that this was one of the top sunscreens to purchase due to its overall efficacy and purity of chemicals used in it. All of that said - I really enjoy using it. It smells absolutely fantastic and makes me feel like I'm on vacation even if I'm just a couple miles from home. The application is extremely air-light, non oily, and it doesn't even feel like I'm wearing it. It didn't stain my clothing or rub off on anything. The spray comes out pretty lightly, as in you won't empty half the bottle over a few moments of depressing the button. Fantastic sunscreen and I will absolutely keep purchasing this.
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Reviewed in the United States on July 29, 2023
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Jean Noecker
Charlottesville, US
★★★★★ 5
nice!
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 6 Ounce (Pack of 2)
no streaks! good coverage
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Reviewed in the United States on May 6, 2026
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Phoenix, US
★★★★★ 5
My Fave Sunscreen
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 6 Ounce (Pack of 2)
I love this sunscreen. I bike ride a lot in the summer and I always bring sunscreen with me because I sweat and need to reapply. If I use a cream, my hands end up wet or greasy and I'm holding the handlbars, etc. So, using a spray is way better for me. I loooooooove the smell of this stuff. It smells of summer! The spray makes it easy to get my back while at the beach and while it's not insanely waterproof, it's certainly water resistant and lasts a long time. I like the SPF 50, because less isn't enough for me. They say going higher than 50 isn't any better, so I stick with 50 as my "go to." Buying the duo, as sold here, makes it a good value. Buying this product at a local drug store would cost twice as much. I easily go through both cans in a single summer.
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