SKU: 74202838056

Owens Corning FOAMULAR 250 R-4 XPS Foam Board Insulation, 3/4 in. x 4 ft. x 8 ft., Tongue & Groove Edge (25 psi)

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Description

Owens Corning FOAMULAR 250 R-4 XPS Foam Board Insulation, 3/4 in. x 4 ft. x 8 ft., Tongue & Groove Edge (25 psi)FOAMULAR 250 R 4 XPS Tongue & Groove Foam Board, 3 4 in. x 4 ft. x 8 ft. Rigid XPS foam board insulation engineered for exterior sheathing and tough jobsite conditions. The FOAMULAR 250 delivers 25 psi compressive strength, moisture resistance, and easy score and snap installation with tongue & groove edges. Key Features: Durable XPS Board: 25 psi compressive strength for exterior sheathing and heavy duty use Energy Efficiency: R 4 thermal resistance

FOAMULAR 250 R-4 XPS Tongue & Groove Foam Board, 3/4 in. x 4 ft. x 8 ft.

Rigid XPS foam board insulation engineered for exterior sheathing and tough jobsite conditions. The FOAMULAR 250 delivers 25 psi compressive strength, moisture resistance, and easy score-and-snap installation with tongue & groove edges.


Key Features:

  • Durable XPS Board: 25 psi compressive strength for exterior sheathing and heavy-duty use
  • Energy Efficiency: R-4 thermal resistance in a 3/4 in. profile helps reduce heat loss
  • Moisture Resistant: Retains R-value even after exposure to water; GREENGUARD certified for low emissions
  • Easy to Work With: Lightweight, scores and snaps cleanly—no special tools needed
  • Tongue & Groove Edge: Panels interlock for a tight fit and reduced air gaps

Specifications Table:

Specification Details
Insulation Type Foam Board Insulation (XPS)
Compressive Strength 25 psi (FOAMULAR 250)
Insulation R-Value R-4
Thickness 0.75 in (3/4 in.)
Width 48 in (4 ft)
Length 8 ft
Edge Profile Tongue & Groove
Faced or Unfaced Unfaced
Compatible Install Surface Concrete, Wood
Interior/Exterior Exterior
Coverage Area 32 sq ft per board
Number of Pieces 1
Pack Size 1
Product Weight 3.9 lb
Sheathing Type XPS
Warranty Limited Lifetime
Features Formaldehyde Free; Moisture resistant; GREENGUARD Certified; Contains minimum 20% recycled content (SCS certified)

Frequently Asked Questions (FAQ):

Q: Can this board be used on concrete or wood surfaces?
A: Yes—compatible with concrete and wood install surfaces.


Q: Is the insulation faced?
A: No, it is unfaced XPS foam board.


Q: What are the panel dimensions and coverage?
A: Each panel is 3/4 in. thick, 4 ft. wide, and 8 ft. long, covering 32 sq. ft.


Q: What is the R-value of this thickness?
A: R-4 for the 3/4 in. thickness.


Q: Does it carry a warranty?
A: Yes, Limited Lifetime warranty; see manufacturer details.


Sleek, Seamless Insulation with Serious Performance

FOAMULAR 250’s crisp pink panels create a clean, continuous thermal envelope that elevates any build from the bones up. The tongue-and-groove edge is a standout, locking boards together for a polished, gap-free plane. Use it behind siding or stucco to sharpen lines and boost comfort without bulk. It’s a quiet essential for luxurious, energy-savvy living.


Upgrade your envelope with FOAMULAR 250 R-4 XPS—order today for a tighter, more efficient build.

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: 74202838056

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M. Inglee
Birmingham, US
★★★★★ 5
Very nice case
Model: iPad A16 11th 2025 /10th 2022
Fits well. Very sturdy. Looks great and was easy enough for a 9 year old to install ;-)
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Reviewed in the United States on May 23, 2026
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AD Burrows
Fort Morgan, US
★★★★★ 5
The perfect screen protector.
Model: iPad A16 11th 2025 /10th 2022
What a great product! I’ve used this brand in the past for my iPhone & and iPads, always found them easy to install & the crystal clear HD quality is amazing. It’s easy to align & comes with two just in case you mess up otherwise you have a spare as a backup. Worth every penny.
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Reviewed in the United States on May 16, 2026
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rebecca
Lake Worth, US
★★★★★ 5
Glass screen cut shield
Model: iPad A16 11th 2025 /10th 2022
This is a great product. I’ve used on every phone I’ve owned and now I’m using it on my tablets. Wouldn’t use anything else. Love it. Price is great and the product works great
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Reviewed in the United States on June 6, 2026
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T'Quanda
Charlottesville, US
★★★★★ 4
Clear protection with easy installation
Model: iPad 9th/8th/7th Gen 10.2 Inch, Model: iPad 9th/8th/7th Gen 10.2 Inch
The ProCase screen protectors fit my iPad 7th generation well and provide clear protection without affecting touch sensitivity or screen clarity. The installation process was very simple, Unfortunately I did have some trouble with bubbles forming in the corner after applying the first one, which was a bit difficult to fully smooth out. The second protector went on slightly better, but it still required extra effort to get a perfect finish. Despite that issue, the screen protector still does its job well in protecting against scratches and daily wear. It also comes in a 2 pack, which adds good value in case one is applied incorrectly. It’s a solid product for protection, but the installation can be a little tricky if you want a completely flawless, bubble free look
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Reviewed in the United States on May 22, 2026
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LaQuetta Watson
Chelsea, US
★★★★★ 5
Get it now
Model: iPad A16 11th 2025 /10th 2022
Perfect, really easy to apply as well. Looks great and fits perfectly. I also noticed there not much glare
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Reviewed in the United States on May 29, 2026

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