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

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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
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 64291657543

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Austin & Cambria
Dallas, US
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me. I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
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Reviewed in the United States on February 21, 2025
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Sarah A
Massapequa, US
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
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Reviewed in the United States on December 27, 2025
A
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Ashley Morgan
Pawtucket, US
★★★★★ 5
ABSOLUTELY A MUST for Omegaverse Girls!!!
I ABSOLUTELY LOVE Jillian West and her books!!! I’m so happy I already bought book two and now I have to buy the others for the Assurance Security series!! Not gonna lie Val kind of annoyed me at the beginning but she grew on me!! Her men are chef’s kisses!!! Holt annoys me some but I can let it slide. I already bought part two so I’m going to be reading that in between work phone calls!!!! DON’T TELL MY BOSS 😂😂😂😂
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Reviewed in the United States on September 30, 2025
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Carmen Alicea
Fort Morgan, US
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat. It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
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Reviewed in the United States on December 18, 2025
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Shianne Whipple
Battle Creek, US
★★★★★ 5
Strong Omegaverse Comfort and a Attention Grabbing Plot
Format: Kindle
Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot. Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable. The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold. The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
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Reviewed in the United States on August 28, 2025

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