SKU: 93555856912

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

$53.43 $59.37
Save 10%
No.2 Bestseller on sm10m.ch >

Pay in installments of $14.84 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 17 - Sep 22

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Owens Corning R-10 (25 PSI) FOAMULAR NGX 250 XPS Foam Board Insulation, 2 in. x 4 ft. x 8 ft., Scored Square EdgeFOAMULAR NGX 250 R 10 XPS Foam Board, 2" x 4' x 8' High performance FOAMULAR NGX 250 extruded polystyrene (XPS) board delivers R 10 thermal resistance at 2 inches with 25 PSI compressive strength. Lightweight, moisture resistant, and easy to score and snap, its ideal for basements, crawlspaces, exterior sheathing, and under slab applications. Key Features: High R Value: R 10 at 2 in. thickness for strong thermal performance Durable Strength: 25 PSI

FOAMULAR NGX 250 R-10 XPS Foam Board, 2" x 4' x 8'

High-performance FOAMULAR NGX 250 extruded polystyrene (XPS) board delivers R-10 thermal resistance at 2 inches with 25 PSI compressive strength. Lightweight, moisture-resistant, and easy to score and snap, it’s ideal for basements, crawlspaces, exterior sheathing, and under-slab applications.

Key Features:

  • High R-Value: R-10 at 2 in. thickness for strong thermal performance
  • Durable Strength: 25 PSI compressive strength supports demanding applications
  • Moisture Resistant: XPS core resists water absorption for long-term R-value retention
  • Easy to Cut and Install: Scored square edge allows clean snaps into 16 in. or 24 in. widths
  • Low GWP Formula: NGX blowing agent significantly reduces global warming potential

Please check the Product Data Sheet Here

Specifications Table:

Specification Details
Insulation Type XPS Rigid Foam Board
R-Value R-10 (2 in. thickness)
Compressive Strength 25 PSI (FOAMULAR NGX 250)
Board Dimensions 2 in. x 4 ft. x 8 ft. (48 in. x 96 in.)
Coverage Area 32 sq. ft. per board
Faced or Unfaced Unfaced
Interior/Exterior Interior/Exterior
Compatible Install Surfaces Concrete, Plywood, Wood
Insulation Locations Basement, Crawlspace, Exterior Wall Foundation, Under Slab, Attics, Cavity Walls, Exterior Sheathing
Number of Pieces 1
Pack Size 1
Product Weight 7.5 lb
Edge Type Scored Square Edge (SSE)
Sheathing Type XPS
Features Formaldehyde Free, Moisture Retardant, Mold Resistant, Water Resistant
Warranty Lifetime Limited
Environmental Manufactured with low global warming potential blowing agent; GREENGUARD Certified

Frequently Asked Questions (FAQ):

Q: What are the board dimensions and coverage?
A: Each board measures 2 in. x 4 ft. x 8 ft. and covers 32 sq. ft.

Q: Where can this insulation be installed?
A: Suitable for interior/exterior use including basements, crawl spaces, exterior wall foundations, under slabs, attics, cavity walls, and exterior sheathing.

Q: Is this product faced?
A: No, it is unfaced XPS foam board.

Q: Can it be left exposed?
A: No. It must be covered with a 15-minute thermal barrier such as drywall per code.

Q: What is the warranty?
A: Lifetime limited warranty; see manufacturer details for full terms.

A Sleek Thermal Shield with Architectural Ease

FOAMULAR NGX 250 introduces a refined, modern layer to your building envelope—crisp, lightweight panels that streamline the craft. The scored square edge is the hero, snapping into tidy 16- or 24-inch widths for a precise, tailored fit. Use it to create a continuous, clean plane behind exterior cladding or to elevate basement walls to a gallery-ready finish. It’s a quietly luxurious essential—performance-first insulation that sets the stage for beautiful, comfortable living.

Upgrade your envelope with FOAMULAR NGX 250 and lock in durable, energy-saving performance on your next project.

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: 93555856912

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 25 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Sherry
Lexington, US
★★★★★ 5
Love it, happy with the price
Size: 1 Panel, Color: Black
I have been using this product for a month now. I'm absolutely thrilled with my new Room Divider. It's has made a significant difference in my home. The divider is not only stylish and well-crafted but also incredibly functional. It has effectively separated my open space into cozy, distinct areas, enhancing privacy. Assembly was a breeze, and it's built to last. This room divider has truly transformed my living space, and I couldn't be happier.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2024
B
Verified Purchase
Bryon A.
Boise, US
★★★★★ 4
Privacy panels
Size: 4 Panel, Color: Black
They're well made,fabric is fairly thick but the wording had me thinking i was buying 4 sets of 4 panels instead of just 4 panels. My fault i guess.....
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 18, 2025
K
Verified Purchase
Kindle Customer
Phoenix, US
★★★★★ 5
Looks great
Size: 1 Panel, Color: Black
Easy set up works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
A
Amazon Customer
Charlottesville, US
★★★★★ 5
Versatile Room Divider With Easy Assembly and Strong Coverage
Size: 3 Panel 12FT W
I picked up this Siebwin 3-panel folding room divider mainly for privacy and room separation, and overall it works very well. Assembly is very straightforward, and the divider can be set up, taken apart, and stored without much effort. The fabric quality feels good, and the frame construction is stronger and more stable than expected. The support tubes especially feel well built and help keep the divider standing securely. One feature I really liked is the flexibility of the design. The panels can be used together as a complete divider or separated depending on the setup and available space. That makes it much more versatile for different room layouts or temporary privacy needs. The coverage is also very good, and the size matches the manufacturer’s description accurately. The fabric blocks light and background visibility well enough to provide solid privacy without feeling overly heavy. The wider feet also help improve stability compared to thinner folding dividers. Another positive detail is that everything arrived complete with no missing parts or damaged pieces, which made assembly much easier and faster. Compared to cheaper privacy screens, this one feels more durable and easier to customize depending on the situation. In terms of value for the money, it feels like a very practical and worthwhile purchase considering the size, flexibility, and build quality. Overall, a versatile and well-built room divider with easy assembly, strong privacy coverage, stable construction, complete included parts, flexible panel configuration, and excellent everyday functionality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
F
Fred
Grantham, US
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one. The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy. Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex. The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one. The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026

recommand products

Replacement Remote Control for HD Television Models Compatible with Techwood Wharfedale and Luxor TVs
43.26
Royale Bath Double Towel Bar
169.98
Replacement Remote Control for AV Receivers Compatible with RX-V RX-A and HTR Series Audio Systems
44.21
Ember Modern Sectional
1850.00
Ares Modern Sectional
1875.00