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 00 /each
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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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Price
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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 FOAMULAR 250 2 in. x 48 in. x 8 ft. R-10 Scored Squared Edge Insulation Sheathing 2 in. x 4 ft. x 8 ft. R-13 Insulating Sheathing Multipurpose High Density Insulation Kit R10 2-3/8 in. x 24 in. x 48 in. (5-Panels)
Brand Owens Corning Owens Corning Super TUFF-R Amvic
Ratings (74) (95) (8) (25)
Sheathing Type XPS XPS ISO EPS
Insulation Location 2x4 Walls,2x6 Walls,Exterior Sheathing Exterior Sheathing,Exterior Wall Foundation,Under Slab 2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Re-Siding Basements,Exterior Wall Foundation,Floors,Garage,Under Slab
Product Width (in.) 48 in 48 in 48 in 24 in
Product Length (ft.) 8 ft 8 ft 8 ft 2 ft
Faced or Unfaced Unfaced Unfaced Faced Unfaced
Product Thickness (in.) 1 in 2 in 2 in 2.375 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

what is the r value of this product?

Asked by: Hub
read the description or look at he picture.
Answered by: tum
Date published: 2018-08-31

How many insulation come in a package?

How many insulation come in a package?
Asked by: Moe
There is no "package" other than the shrink wrap to hold them together during shipping. They are purchased individually.
Answered by: jisgood
Date published: 2018-08-19

what kind of tape for joints

what kind of tape for joints
Asked by: james
nickname can they be painted and finished like Drywall
Answered by: KING
Date published: 2018-03-26

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
Should be fine as long as you are leaving the proper ventilation for anything that should be ventilated.
Answered by: Matt
Date published: 2018-10-05
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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 95.
Rated 5 out of 5 by from beautiful stuff good product I used the 1 1/2 thickness between studs in basement and directly against the brick basement wall as is used in corningwares more elaborate basement lockin system which was out of my price league.. beautiful stuff.. easy to work with. basement is tight as a drum and warm with raised wood floor as well. I intend to use the stuff as mentioned in youtube video of Cleveland's Dr. energy saver to help upper floors be cooler as well. it's so hot up there, but I think it will be easier to work with and the job will go quickly with awesome results and family will sleep more comfortably.
Date published: 2013-07-01
Rated 5 out of 5 by from Excellent insulation solution for interior and exterior -- with some installation tips We are working on a deep remodel of a home along the shore in Massachusetts. Built as a summer cottage in 1950, most of the walls had no insulation. To bring the home up to current code (required with a major remodel) and save money on heating and cooling, we used Owens Corning Formular to insulate the inside and outside. Here are a few tips: > Inside: All of the walls were open to the studs. Due to the project schedule, spray foam and packed cellulose were not options. So we filled the stud bays with Formular board using the "cut and cobble" method. Large pieces are easy to form by scoring with a knife and breaking the sheet across a sharp edge; small pieces and shapes were cut with a serrated blade. We sealed the gaps and edges with Great Stuff foam. (An important step -- don't skip it!) To nearly fill the 2 x 4 stud bays, we used two layers: 2" and 1". A couple of photos are attached. Verdict: this takes more time than spray foam or packed cellulose, but is a great solution for remodels and do-it-yourself projects. > Exterior: To eliminate the risk of condensation on the sheathing in winter, and boost insulation efficiency, we wrapped the entire house with 2" of Formular 250 board. New house wrap went on first, then the foam board. We used corrosion resistant Spax "washer head" screws to attach the foam board. The joints, gaps and holes were sealed with Great Stuff foam. (As noted above, this is an important step!) 1" x 3" pressure treated firring strips were added last (for the siding and trim) and attached to the sheathing with long corrosion resistant Deckmate screws. A photo is attached. Verdict: Formular foam board is a great exterior insulation and air-barrier solution for remodels and new construction, including walls and roofs. This thickness also blocks water vapor, to prevent rot. Note: Windows and doors in a remodel will be installed against the sheathing, and need to be trimmed out with external "extension jambs" -- to compensate for the thickness of the foam board on the outside. This is easy and almost unnoticeable. We used Azek / Veranda PVC trim board, which never rots and never needs to be painted. (If your trim color is white!) All of the products noted above are available at Home Depot. The result: 2" of foam board outside and 3" inside, all sealed with Great Stuff to prevent air leaks. The layer on the outside also eliminated most of the "thermal bridging" between the framing and the outside air. (Wood is a surprisingly good conductor.) The total R value is roughly 25. We installed all of this during the winter, and immediately noticed a major impact on heating costs -- even though the roof has not been insulated yet! I hope all of this detail is helpful! Mark
Date published: 2014-06-13
Rated 5 out of 5 by from Installation tips for applying over sheathing. I used Bostich caps SBCAPS, plastic washers, on 3" exterior screws to hold insulation to sheathing. A medium to fine toothed carpenter's hand saw works great for long straight cuts. The "mineral wool insulation" saw (Husky?) is good for trimming and small cuts, but binds too much for the long cuts.
Date published: 2014-12-26
Rated 1 out of 5 by from I don't like that it's scored I used this previously to build an insulation box for our whole house fan. I came back a couple of years later to get more to build a box to put over our attic door. Unfortunately, it is now scored every 8 inches to a thickness of about 1" so that it is easy to cut to put between studs. However, the scoring reduces the R value and makes it less useful for my purposes
Date published: 2017-12-11
Rated 4 out of 5 by from Very good product, R-Value For anyone who is looking to buy this product, its R-Value is R5 per 1 inch of thickness. That is so far the best I have seen. Good one.
Date published: 2013-08-06
Rated 5 out of 5 by from it worked well, the fact that it was scored meant I had to do very little cutting It installs easy and it was nice that it was scored, saved me a lot of cutting.
Date published: 2014-10-21
Rated 5 out of 5 by from Used to build a walkin cooler product was easy to... Used to build a walkin cooler product was easy to work with and performed great
Date published: 2017-04-11
Rated 5 out of 5 by from Placed it under concrete slab for insulated floors (with hot water), also in the garage... no mor... Placed it under concrete slab for insulated floors (with hot water), also in the garage... no more cold nights on the floor under the car! Easy to score on the pre-slit lines. Easy to cut with a battery powered circular saw. Some sheets bow a little, flatness is not perfect.
Date published: 2017-02-07
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