Model # 268426

Internet #100322374

Store SKU #804395

Store SO SKU #621947

Super TUFF-R 1 in. x 4 ft. x 8 ft. R-6.5 Insulating Sheathing
0041343001477

Super TUFF-R

1 in. x 4 ft. x 8 ft. R-6.5 Insulating Sheathing

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Product Overview

The Super TUFF-R R-6.5 1 in. x 4 ft. x 8 ft. Foam Insulation features radiant barrier-quality aluminum-foil facers on both sides for durability and is ENERGY STAR compliant for savings. It is lightweight and installs easily. On TUFF-R insulation, one facer is a continuous sheet of aluminum foil; the other is a Tri-Plex facer consisting of a three-ply laminate of durable kraft with aluminum foil on both sides.

  • 4 ft. x 8 ft. coverage area
  • R-6.5
  • Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings
  • Radiant barrier-quality aluminum-foil facers on both sides (1-side reinforced) for durability
  • Moisture-resistant facers
  • High-performance polyisocyanurate foam core for excellent energy efficiency
  • Lightweight design installs easily over OSB or non-insulated sheathing and directly over wood studs
  • How much do you need? Let our calculator help:
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Customer Questions & Answers

Work in Garage for exposed concrete block wall?

I have a basement garage on the 2nd level that has the outside facing wall that's just the exposed concrete block. Would this would to go over concrete blocks? So far I've used waterproof masonry paint and sealed the bottom as it means the concrete slab flooring. My idea is to use rigid foam insulation and the drywall over it if possible. Any insight would be appreciated. Thanks!
Asked by: steve
Dear Stephen: Foam board is the best solution for your garage, with >R5 per inch. A couple of tips: (1) Seal all of the edges and joints to block air leaks. DAP 230 works well for small gaps. Use the 'Windows and Doors' version of Great Stuff for larger gaps. (2) Foam board is very flammable and MUST be covered by 1/2" drywall in any garage, living space, basement, storage area, etc. To boost the total R value, fill your stud bays with Roxul ComfortBatt, which provides R4 per inch. See: Roxul Model # RXCB351525, Home Depot Internet # 202090820 Store SKU # 974419 I hope this is helpful. Mark
Answered by: BvilleBound
Date published: 2016-07-28

Is this product too rigid for shaping to an arched ceiling?

My garage has an arched ceiling with a very gentle pitch. I'm hoping it's possible to make a couple relief cuts on the non-reinforced foil side of this board to make it conform to my ceiling. This is not available at my local store, so I'm unable to look at the product. Any help or info is appreciated. Thanks!
Asked by: insulation
Hello again: I forgot to include the details for 1/4" XPS from Home Depot, which bends easily and would probably be the best option for your curved ceiling. Look for: FOAMULAR 1/4 in. x 4 ft. x 50 ft. R-1 Fanfold Insulation Sheathing Owens Corning Model # 10UM Internet # 100320301 Store SKU # 409692 As noted in the description, this thin insulation comes in a fan-folded stack. A photo is attached. You could simply apply multiple layers to create the thickness and R value you want. XPS has an R value of 5 per inch. I hope this is helpful. Mark
Answered by: BvilleBound
Date published: 2015-09-20

Can this be used under a three season porch in between the joists to prevent moisture from wicking up into the plywood?

Asked by: Brian
Dear Brian: Yes, if you carefully seal all of the edges and seams to block air leaks. DAP 230 works well above 40 degrees. DAP 3.0 is best above 20 degrees. For large gaps and holes, use the 'Window and Door' version of Great Stuff foam. Another step that will block moisture and improve insulation for your porch: Staple a thick poly sheet to the bottom of the joists, and make sure all of the edges / seams are well sealed to block air leaks. The sealed air space under the joists will provide ~R-6 insulation, and the poly sheet will function as a 100% vapor barrier to block moisture. If you live in an area with cold winters, the best option is to add sheets of Super Tuff-R fastened to the bottom of the joists, instead of the poly sheet. Seal all of the edges and joints carefully to block air leaks. This will add R-6, block moisture and break all of the 'thermal bridges' created by the exposed joists. If you have very cold winters, use 1 7/8" thick Super Tuff-R for R-12.2. I hope this is helpful, Mark
Answered by: BvilleBound
Date published: 2016-12-22

in a crawlspace, does this product need fire protection when installed on walls and ceiling?

Asked by: sparky
Dear Sparky: If your crawlspace is not easily accessible and could not be used for storage, the answer is "No." A thermal barrier MUST be installed in any living space, garage, basement or accessible storage area, e.g. an attic. Also be sure to avoid installing it near any source of heat, e.g. a sub-floor furnace or exhaust vent, etc. Roxul rock wool is a good solution to insulate any hot surface. This is a great solution to insulate floor joists in a crawlspace. Simply screw sheets to the bottom of the joists. Be sure to carefully air seal all of the joints and edges to block air leaks. DAP 230 works best for small gaps. The 'Windows and Doors' version of Great Stuff foam is good for large gaps; the cured foam remains flexible to prevent cracks as things expand and contract. I hope this is helpful. Mark
Answered by: BvilleBound
Date published: 2016-09-21
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Customer Reviews

1 in. x 4 ft. x 8 ft. R-6.5 Insulating Sheathing is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from This product was easy to cut. Needed a little more than one tube of foam board construction adhe... This product was easy to cut. Needed a little more than one tube of foam board construction adhesive per 4x8 sheet to keep it glued to my basement walls. I found that it was best if I put larger blobs of glue instead of stripes so the board would stick better.
Date published: 2016-11-08
Rated 5 out of 5 by from Good tuff- product This board is well made. I use it on older homes. High R-value by thickness ratio, 6.5 R for the 1" board. Installs easily and the foil facing adds to its durability if there is any delay between installation and siding of the building.
Date published: 2010-10-22
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