Owens Corning R-10 (25 PSI) FOAMULAR 250 Extruded Polystyrene Foam Board Insulation, 2 in. x 4 ft. x 8 ft., Square Edge

Regular price $59.73

/
Shipping calculated at checkout.

FOAMULAR 250 XPS Foam Board Insulation, R-10, 2x4x8

Durable FOAMULAR 250 XPS board delivers R-10 thermal performance with 25 PSI compressive strength for exterior sheathing, foundations, and under-slab applications. The 2 in. thick, 4 ft. x 8 ft. panel resists moisture, is easy to score and snap, and installs cleanly for long-lasting energy savings.


Key Features:

  • High Thermal Performance: R-10 insulation value with XPS technology for energy efficiency
  • Strong & Durable: 25 PSI compressive strength suitable for walls, foundations, and under-slab use
  • Moisture Resistant: Non-wicking XPS helps retain R-value even in wet conditions
  • Easy to Work With: Boards score, cut, and snap cleanly for fast installation
  • Square Edge Panel: 2 in. thick, 4 ft. x 8 ft. sheet provides 32 sq. ft. of coverage

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Insulation Type Extruded Polystyrene (XPS) Foam Board
Model/SKU 52DD
Compressive Strength 25 PSI
Insulation R-Value R-10
Faced or Unfaced Unfaced
Interior/Exterior Exterior
Insulation Location Exterior sheathing, exterior wall foundation, under slab
Compatible Install Surface Plywood
Insulation Features Formaldehyde Free; Vapor Retardant
Number of Pieces 1
Pack Size 1
Coverage Area 32 sq. ft.
Product Length 8 ft
Product Width 48 in
Product Thickness 2 in
Edge Type Square Edge
Sheathing Type XPS
Warranty Lifetime Limited
Product Weight 7.5 lb

Frequently Asked Questions (FAQ):

Q: Can this be used below grade or under slabs?
A: Yes—FOAMULAR 250 is rated for exterior wall foundations and under-slab applications; verify local code requirements.


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


Q: What are the panel dimensions and coverage?
A: 2 in. thickness, 48 in. width, 8 ft. length; covers 32 sq. ft. per sheet.


Q: Does it resist moisture?
A: Yes, XPS construction provides superior moisture resistance and helps maintain R-value.


Q: How is it cut and installed?
A: Score with a utility knife and snap to size; attach per manufacturer instructions using compatible adhesives/fasteners.


Sleek, High-Performance Insulation with Iconic Pink Style

FOAMULAR 250 brings a crisp, architectural polish to building envelopes while quietly elevating energy performance. Its slim 2-inch profile and square edges lay clean and true, creating seamless planes ready for finish materials. Pair it behind siding or under slab to craft spaces that feel composed, dry, and temperature-stable. This is the modern essential—smart, resilient insulation for luxurious comfort.


Upgrade your build with FOAMULAR 250 today for durable, moisture-resistant R-10 performance and lower energy costs.

Warranty

Installation

*Third Party Trademarks

All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.

Why choose us

The Arbor Way

• Lowest Prices. Easy Online Shopping. Fast Delivery.

• No lines. No holds. No Hassles.

• America's Largest Inventory Network for All Home Improvement Supplies Nationwide.

• We deliver - town to town, door to door. 


Recently viewed

\