Model # 52DD

Internet #202085962

Store SKU #307101

Store SO SKU #192627

Owens Corning FOAMULAR 250 2 in. x 48 in. x 8 ft. R-10 Scored Squared Edge Insulation Sheathing
0748232100326

Owens Corning

FOAMULAR 250 2 in. x 48 in. x 8 ft. R-10 Scored Squared Edge Insulation Sheathing

  • Saves energy and resists moisuture with limited lifetime warranty
  • Easily snaps into smaller boards for best fit with scored edge
  • Closed cell XPS foam panel can be layered for more cost savings
$ 29 87
Buy 24 or more  $23.90  
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Frequently Bought Together

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Product Overview

  • Saves energy and resists moisuture with limited lifetime warranty
  • Easily snaps into smaller boards for best fit with scored edge
  • Closed cell XPS foam panel can be layered for more cost savings
FOAMULAR Extruded Polystyrene (XPS) Rigid Foam Insulation offers a comprehensive line of products in a wide choice of sizes, thicknesses and edges with a Lifetime Limited Warranty for the life of the home or building. The products are easy to handle, score, cut and install and no special tools are needed. Products can be used on wood, steel framing or concrete walls. FOAMULAR XPS resists moisture and retains R-value even after exposure to standing water and wet soil. Only XPS foam to be GREENGUARD Gold Certified and the first XPS foam certified by Scientific Certification Systems (SCS) to contain a minimum of 20% recycled content.
  • Dimensions: 2 in. x 48 in. x 8 ft.
  • Application: exterior foundation walls, under slab, foundations and crawlspaces
  • Designed to resist moisture and helps to block mildew
  • Has a higher R-value than wood fiber, plywood or 1/2 in. gypsum board products



  • Buying guide and insulation calculator:

    insulation buying guide
    Insulation calculator button

Product Overview

  • Saves energy and resists moisuture with limited lifetime warranty
  • Easily snaps into smaller boards for best fit with scored edge
  • Closed cell XPS foam panel can be layered for more cost savings
Model #: 52DD
Sku #: 307101
Internet #: 202085962

FOAMULAR Extruded Polystyrene (XPS) Rigid Foam Insulation offers a comprehensive line of products in a wide choice of sizes, thicknesses and edges with a Lifetime Limited Warranty for the life of the home or building. The products are easy to handle, score, cut and install and no special tools are needed. Products can be used on wood, steel framing or concrete walls. FOAMULAR XPS resists moisture and retains R-value even after exposure to standing water and wet soil. Only XPS foam to be GREENGUARD Gold Certified and the first XPS foam certified by Scientific Certification Systems (SCS) to contain a minimum of 20% recycled content.

  • Dimensions: 2 in. x 48 in. x 8 ft.
  • Application: exterior foundation walls, under slab, foundations and crawlspaces
  • Designed to resist moisture and helps to block mildew
  • Has a higher R-value than wood fiber, plywood or 1/2 in. gypsum board products



  • Buying guide and insulation calculator:

    insulation buying guide
    Insulation calculator button

Info & Guides

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Name FOAMULAR 150 1 in. x 4 ft. x 8 ft. R-5 Scored Square Edge Rigid Foam Board Insulation Sheathing 2 in. x 4 ft. x 8 ft. R-7.7 Rigid Foam Insulation FOAMULAR 250 2 in. x 48 in. x 8 ft. R-10 Scored Squared Edge Insulation Sheathing Rmax Thermasheath-3 2 in. x 4 ft. x 8 ft. R-13.1 Polyisocyanurate Rigid Foam Insulation Board
Brand Owens Corning R-Tech Owens Corning Thermasheath
Ratings (141) (88) (174) (52)
Sheathing Type XPS EPS XPS ISO
Insulation Location 2x4 Walls,2x6 Walls,Exterior Sheathing 2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab Exterior Sheathing,Exterior Wall Foundation,Under Slab 2x4 Walls,2x6 Walls,Attics,Basements,Ceilings,Crawlspaces,Exterior Sheathing,Garage,Re-Siding
Product Width (in.) 48 in 48 in 48 in 48 in
Product Length (ft.) 8 ft 8 ft 8 ft 8 ft
Faced or Unfaced Unfaced Faced Unfaced Faced
Product Thickness (in.) 1 in 2 in 2 in 2 in
View Product View Product View Product View Product

Specifications

Dimensions

Coverage Area (sq. ft.)
32 ft²
Product Length (ft.)
8 ft
Product Thickness (in.)
2 in
Product Width (in.)
48 in

Details

Faced or Unfaced
Unfaced
Insulation Features
Formaldehyde Free,Vapor Retardant
Insulation Location
Exterior Sheathing,Exterior Wall Foundation,Under Slab
Insulation R-Value
R10
Insulation Type
Foam Board Insulation
Interior/Exterior
Exterior
Product Weight (lb.)
7.5 lb
Sheathing Type
XPS

Warranty / Certifications

Warranty Information
Lifetime Limited

Specifications

Dimensions

Coverage Area (sq. ft.)
32 ft²
Product Length (ft.)
8 ft
Product Thickness (in.)
2 in
Product Width (in.)
48 in

Details

Faced or Unfaced
Unfaced
Insulation Features
Formaldehyde Free,Vapor Retardant
Insulation Location
Exterior Sheathing,Exterior Wall Foundation,Under Slab
Insulation R-Value
R10
Insulation Type
Foam Board Insulation
Interior/Exterior
Exterior
Product Weight (lb.)
7.5 lb
Sheathing Type
XPS

Warranty / Certifications

Warranty Information
Lifetime Limited

Questions & Answers

Is this made of polystyrene foam?

Asked by: Bret
Yes, Owens Corning FOAMULAR 250 Extruded Polystyrene (XPS) Insulation is a closed cell, moisture-resistant rigid foam board well suited to meet the needs for a wide variety of building applications.
Answered by: Jersey
Date published: 2019-01-02

Would this be good to use on an attic floor?

Asked by: Dave
Hello Dave, Foamular may be used in this application, however, it would need to be installed over wood sheathing and covered with wood sheathing if you plan on using the attic for storage. Thank you for your inquiry!
Answered by: OwensCorning
Date published: 2019-01-14

what is the r value of this product?

Asked by: Hub
read the description or look at he picture.
Answered by: tum
Date published: 2018-11-23

I plan to use this in a project to create a insulation box for an attic whole house fan in the winter. Will this work?

I plan to use this to box in my whole house fan to prevent heat from going theough the fan louvers and into the attic. This is a big problem in cold northeast. I plan yo create a 36”x36l box with a cap and just glue it togther. Just taking the cap off in the warmer weather months. Will this work and any issues using in an attic space?
Asked by: VoidNY
I think it will. I'd use the adhesive made for foam board, and maybe add a few finishing nails, or something similar to hold it together, while the adhesive sets up.
Answered by: Brent
Date published: 2018-11-09
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Customer Reviews

FOAMULAR 250 2 in. x 48 in. x 8 ft. R-10 Scored Squared Edge Insulation Sheathing is rated 4.6 out of 5 by 174.
Rated 5 out of 5 by from This foam board is easy to work with - it... This foam board is easy to work with - it is pre-scored for snapping at 16 in. Increments and can be cut with a razor knife - and the 250 product has a higher compressive strength than the formulae 150 for use under concrete slab. It functions as a vapor barrier (when properly sealed around edges).
Date published: 2019-01-15
Rated 1 out of 5 by from Tongue and grove - very poor quality I purchased this insulation after using a 2"x2'x8' Dow tongue and grove insulation for 1/2 of my foundation. I needed additional insulation but the company I purchased the Dow insulation from was closed on Sunday. I needed to get the project done so I was happy Home Depot carried the same size insulation but quickly realized that the tongue and groove of the Owens Corning insulation were extremely difficult to joint together compared to the much large tongue and groove of the Dow product. It took me twice as long the put up the Owens Corning insulation because I spent a lot of time trying to get the boards to join...the tongue and groove were terrible and many of the panels just wouldn't align no matter how hard and how carefully I tried. So much for an R value of 10 when I couldnt get the panels to completely join together. I would not purchase this product again. Go with the Dow product that has a much bigger and better tongue and grove. (And it was the same price).
Date published: 2015-07-13
Rated 5 out of 5 by from Great product I used it to make my own attic stair opening insulation. I am able to use a saw to cut pieces to my desire and glued it together. Once i put it on the attic opening, there is no more cold air draft and proved it using a infrared gun. This product works as expected.
Date published: 2019-01-17
Rated 5 out of 5 by from Absolutely! Did my research and bought the right product... Absolutely! Did my research and bought the right product to insulate the house rim joist. Next the crawl space!
Date published: 2018-12-04
Rated 5 out of 5 by from I have an older all brick home, and back in the fifties the idea of insulation was foreign to hom... I have an older all brick home, and back in the fifties the idea of insulation was foreign to home builders. I use this to line the inside of the foundation and exterior walls wherever the brick is exposed in the basement and also on the common wall from the house to the garage, which is also brick. A few dabs of foam board adhesive and a few tapcons with fender washers is all it takes to secure it. I measured temps of the inside of the walls (with an infrared thermometer) on both raw and the insulated portions, and found a 15 degree improvement. My basement is now toasty warm without any heat ducts feeding it. It's a great product.
Date published: 2019-02-10
Rated 5 out of 5 by from Owens-Corning 2-inch rigid insulation. Great stuff I have used this product for insulating basement walls, crawlspace walls, and other related projects. The two-inch thick product has R.10 and I have doubled up to 4 inches in certain spots to get R.20 total. This product is ideal for places where you do not stud out the area such as workshops, crawlspaces, etc. Also, this is available in the 2 foot by 4 foot size! So, there is no need to cut the panels down from a four-foot width panel to get through problem accessways such as those for crawl spaces. Lastly, I eagerly recommend this product to bring attic access panel R-values up. Just cut to fit your access plywood panel and glue the insulation to it. A dream product that works, is easily cut and worked, and does the job!! A perfect score from me.
Date published: 2010-01-10
Rated 5 out of 5 by from HUGE Difference!!! There is just no better way to go than this for basement or exterior insulation!!! Our basement hs always been chilly, and when we finally decided to finish it, this was recommended. It goes up SO easily.... and before we’ve l’ve even framed walls, there’s such a difference in the ambient temperature it’s amazing! I usually get chilled when I first get on the treadmill we have down there, but this time, was not, and got hot enough to have to turn fans on! So..... if you’re wondering.....YES, these are worth it!!
Date published: 2019-02-04
Rated 5 out of 5 by from Love it. I made rigid shells for my bee... Love it. I made rigid shells for my bee hives to protect them from winter cold. Would you like a photo?
Date published: 2018-11-06
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