Model # 193829

Internet #100322375

Store SKU #163524

Store SO SKU #621947

TUFF-R 1-3/8 in. x 4 ft. x 8 ft. R-8.9 Foam Insulation
0041343001552

TUFF-R

1-3/8 in. x 4 ft. x 8 ft. R-8.9 Foam Insulation

  • Save money by lowering the cost of heating & cooling your home
  • Energy efficient alternative for non-insulating OSB or plywood
  • 1-3/8 in. x 4 ft. x 8 ft. R-8.9 Foam Insulation

Choose Your Options

Product Thickness (in.)
1.375 in
Product Length (ft.)
8 ft
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Frequently Bought Together

Product Overview

  • Save money by lowering the cost of heating & cooling your home
  • Energy efficient alternative for non-insulating OSB or plywood
  • 1-3/8 in. x 4 ft. x 8 ft. R-8.9 Foam Insulation
The TUFF-R R-8.9 1-3/8 in. x 4 ft. x 8 ft. Foam Insulation is Energy Star compliant and made with high-performance polyisocyanurate foam core for exceptional efficiency. It is lightweight and installs easily.

Product Overview

  • Save money by lowering the cost of heating & cooling your home
  • Energy efficient alternative for non-insulating OSB or plywood
  • 1-3/8 in. x 4 ft. x 8 ft. R-8.9 Foam Insulation
Model #: 193829
Sku #: 163524
Internet #: 100322375

The TUFF-R R-8.9 1-3/8 in. x 4 ft. x 8 ft. Foam Insulation is Energy Star compliant and made with high-performance polyisocyanurate foam core for exceptional efficiency. It is lightweight and installs easily.

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
1.375
Product Height (in.)
96
Product Length (ft.)
8 ft
Product Thickness (in.)
1.375 in
Product Width (in.)
48

Details

Faced or Unfaced
Faced
Insulation Application Type
2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation
Insulation R-Value
8.9
Insulation Type
Sheathing
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
8.8lb
Returnable
90-Day
Sheathing Type
ISO
Structural
No

Warranty / Certifications

Warranty Information
15 year limited thermal

Specifications

Dimensions

Product Depth (in.)
1.375
Product Height (in.)
96
Product Length (ft.)
8 ft
Product Thickness (in.)
1.375 in
Product Width (in.)
48

Details

Faced or Unfaced
Faced
Insulation Application Type
2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation
Insulation R-Value
8.9
Insulation Type
Sheathing
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
8.8lb
Returnable
90-Day
Sheathing Type
ISO
Structural
No

Warranty / Certifications

Warranty Information
15 year limited thermal

Questions & Answers

Attic floor?

Can this be walked upon - for example if it were on an attic floor?
Asked by: Randomuserid
Dear RandomUserID: No foam board product is tough enough to be walked on. Foam board is also very flammable and must be covered by an approved "thermal barrier" in any occupied space or storage area, e.g. your attic. 3/4" plywood is accepted in most areas, but check with your local building inspector first. This would also give you a solid surface to walk on. A few more tips: (1) Seal all of the air leaks first: Leaking air and the 'stack effect' account for much of the energy lost into attics. Recessed lights are a #1 culprit, along the gap around an interior chimney. If you have recessed lights, cover them with Tenmat covers and seal the edges with DAP 230 to block leaks. See: Tenmat Model # FF130E Home Depot Internet # 204286308 Store SKU # 1000012747 If you have a chimney that runs through the attic, seal the gap around it with metal flashing and seal the edges with fireproof sealant to block air leaks. See: 3M Model # CP-25WB+ Home Depot Internet # 100166701 Store SKU # 163096 Seal other gaps and cracks, e.g. around plumbing vent pipes, with Great Stuff foam. (2) Roxul ComfortBoard is a good alternative to foam board. It provides R4 per inch, almost as much as foam board --- and is fire resistant. You could lay 1/2" plywood over it as a walking surface, with no worries about flammability, "thermal barriers" or your building inspector. See: Roxul Model # RXCB11224 Home Depot Internet # 206789748 Store SKU # 1001748089 (3) If you install foam board or ComfortBoard, seal all of the joints and edges carefully to block air leaks. The 'Windows and Doors' version of Great Stuff foam works well; the cured foam remains flexible to avoid cracks as things expand and contract. Do not install Great Stuff near anything that gets hot, however -- it is flammable, just like foam board. Use the 3M fire barrier sealant instead. I hope this is helpful. Mark
Answered by: BvilleBound
Date published: 2016-05-25

I don't understand the R rating . I see these at 8.9 or 3.3 . Compared to roll at lets say R30 , how does it measure up ? Thanks

Asked by: Happy
The R rating for these boards is related to their thickness. The 1 inch board is a little over R6, the 1/2 inch is about R3, etc. Different brands have different R per inch.
Answered by: TomC
Date published: 2016-12-11

Can TUFF-R R-8.9 be used as heating/coolng metal duct insulation in basement?

Asked by: Scott
This insulation will work for basements and exterior sheathing.
Answered by: CommunityAnswer
Date published: 2016-10-15

where do i buy this product and how much does it cost?

you show a product but now cost or availability.
Asked by: Hemlock
Hi, Art. Thank you for your recent inquiry with The Home Depot. This item is a Home Depot store exclusive and is not available to order online. Unfortunately, if you are unable to see the store inventory it is most likely not a stocked item in your area. For any other questions, please visit or call your local Home Depot store. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot. 1. Localize Homedepot.com using your zip code (My Store Location: Change) 2. Choose the store where you want to pick up the item (Make this my Store)
Answered by: THDSupport
Date published: 2016-01-19
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Customer Reviews

1-3/8 in. x 4 ft. x 8 ft. R-8.9 Foam Insulation is rated 4.0 out of 5 by 2.
Rated 3 out of 5 by from pros and cons I used this product for a recent home remodel. Pros: * high R-value * easy to handle * foil faced, so the vapor barrier is built in Cons: * smells really bad when cut * hard to make a smooth edge when breaking * dulls cutting tools quickly * foam is not recyclable
Date published: 2011-10-12
Rated 5 out of 5 by from The best bang for your buck when you're building a Redbull Flugtag Glider! This structural foam was a huge asset to my design of a glider for Redbull's Boston Flugtag Competition. Easy to set up on a CNC table, easy to mill, great for designing press fits over PVC pipes, it even provided unexpected rigidity to our 22' wing span. Follow our progress at https://www.facebook.com/90sNostalgiaFlugtag/ Thanks for the wings, Home Depot!
Date published: 2016-08-11
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