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Model # 613010

Internet #100573703

Store SKU #416989

Thermasheath Rmax Thermasheath-3 2 in. x 4 ft. x 8 ft. R-13.1 Polyisocyanurate Rigid Foam Insulation Board
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0719968770015

Thermasheath

Rmax Thermasheath-3 2 in. x 4 ft. x 8 ft. R-13.1 Polyisocyanurate Rigid Foam Insulation Board

  • Energy efficient
  • For residential and commercial buildings
  • ENERGY STAR approved
$ 33 21 /each
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Frequently Bought Together

Frequently Bought Together

Product Overview

  • Energy efficient
  • For residential and commercial buildings
  • ENERGY STAR approved
R-Matte Plus-3/Thermasheath-3 is rigid foam plastic thermal insulation board. It's made of environmentally sound, closed cell, polyisocyanurate foam bonded to a durable white-matte (non-glare) aluminum facer and a reflective reinforced aluminum facer. This product is suitable for use in wall sheathing applications in new residential, commercial and agricultural buildings and for thermal retrofit construction to existing buildings. This Energy Star qualified R-Matte Plus-3/Thermasheath-3 provides R13.1 with dimensions of 2 in. x 4 ft. x 8 ft. This product is designed for exterior and interior, non-structural uses.
  • Rmax polyiso sheathing offers the greatest R-value per inch currently available in a rigid foam board
  • R-Matte plus-3/Thermasheath-3 is applied to the exterior or interior face of wood or metal studs to cover all studs, sills, plates and header constructions, thereby providing insulation over areas not normally covered by insulation products
  • Superior resistance to moisture and vapor in above grade applications
  • Polyiso rigid foam board offers superior fire protection properties compared to any other rigid foam board insulation
  • ENERGY STAR qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings
  • When taped and flashed, the Rmax polyiso board greatly reduces air infiltration and prevents thermal bridging caused by heat and cold transmission through studs
  • Lightweight and easily cut to size
  • How much do you need? Let our calculator help:
    Insulation calculator button

Product Overview

  • Energy efficient
  • For residential and commercial buildings
  • ENERGY STAR approved
Model #: 613010
Sku #: 416989
Internet #: 100573703

R-Matte Plus-3/Thermasheath-3 is rigid foam plastic thermal insulation board. It's made of environmentally sound, closed cell, polyisocyanurate foam bonded to a durable white-matte (non-glare) aluminum facer and a reflective reinforced aluminum facer. This product is suitable for use in wall sheathing applications in new residential, commercial and agricultural buildings and for thermal retrofit construction to existing buildings. This Energy Star qualified R-Matte Plus-3/Thermasheath-3 provides R13.1 with dimensions of 2 in. x 4 ft. x 8 ft. This product is designed for exterior and interior, non-structural uses.

  • Rmax polyiso sheathing offers the greatest R-value per inch currently available in a rigid foam board
  • R-Matte plus-3/Thermasheath-3 is applied to the exterior or interior face of wood or metal studs to cover all studs, sills, plates and header constructions, thereby providing insulation over areas not normally covered by insulation products
  • Superior resistance to moisture and vapor in above grade applications
  • Polyiso rigid foam board offers superior fire protection properties compared to any other rigid foam board insulation
  • ENERGY STAR qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings
  • When taped and flashed, the Rmax polyiso board greatly reduces air infiltration and prevents thermal bridging caused by heat and cold transmission through studs
  • Lightweight and easily cut to size
  • How much do you need? Let our calculator help:
    Insulation calculator button

Info & Guides

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Info & Guides

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
Faced
Insulation Features
Formaldehyde Free
Insulation Location
2x4 Walls,2x6 Walls,Attics,Basements,Ceilings,Crawlspaces,Exterior Sheathing,Garage,Re-Siding
Insulation R-Value
R13.1
Insulation Type
Foam Board Insulation
Interior/Exterior
Exterior
Product Weight (lb.)
7lb
Sheathing Type
ISO

Warranty / Certifications

Warranty Information
Standard Warranty

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
Faced
Insulation Features
Formaldehyde Free
Insulation Location
2x4 Walls,2x6 Walls,Attics,Basements,Ceilings,Crawlspaces,Exterior Sheathing,Garage,Re-Siding
Insulation R-Value
R13.1
Insulation Type
Foam Board Insulation
Interior/Exterior
Exterior
Product Weight (lb.)
7lb
Sheathing Type
ISO

Warranty / Certifications

Warranty Information
Standard Warranty

Questions & Answers

I'm looking to install these insulation boards to a finished dry wall closet....the easiest way f...

I'm looking to install these insulation boards to a finished dry wall closet....the easiest way for me would be to use an adhesive bond ...like liquid nails...would this be sufficient bonding to the wall ?
Asked by: mrgolf535
It should be sufficient. These panels are very light weight. They are also 4ft wide which I believe is less than standard distance between wall studs so you can also cut these to fit between the studs and press them in for a friction fit.
Answered by: Dave
Date published: 2018-01-09

Can I use this to insulate on my attached porch roof between the roof rafters?

Can I use this to insulate on my attached porch roof between the roof rafters?
Asked by: rockroom
Yes, it can be used anywhere it will be dry.
Answered by: Scott
Date published: 2018-08-31

Can it be used between studs in a bathroom exterior wall?

Asked by: Jonny5
It certainly could be used that way, but bear in mind that it is a vapor barrier. You want to have just one vapor barrier in your walls, either inside or out. A vapor barrier on both will trap moisture within the wall and cause mold and rot. If your exterior wall already has a vapor barrier (vinyl siding, impermeable house wrap, etc.), then you will be better off using breathable unfaced (or paper faced) batt or blanket insulation, i.e. fiberglass or cellulose.
Answered by: riverhouse
Date published: 2018-07-28

Is there a bulk discount?

Is there a bulk discount?
Asked by: brian
Check with the pro desk at your local HD.
Answered by: Tooco
Date published: 2018-04-03
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Customer Reviews

Rmax Thermasheath-3 2 in. x 4 ft. x 8 ft. R-13.1 Polyisocyanurate Rigid Foam Insulation Board is rated 4.6 out of 5 by 36.
Rated 5 out of 5 by from Good product I insulated a laundry room with the R13 foam board and the job came out great. The cold room is now warm. Much easier than framing and sheetrocking. It is still hard work to move all of the electrical and plumbing, but was made easier using Sharkbite couplings. Not so bad. Homeowners were very pleased with the end result. Material is strong enough to adhere strips of wood for shelving. Tape seems with clear tape. Adhere to wall with large construction adhesive. Much more cost effective over spray on foam. Use hand saw to cut material. Cut outside as there will be thousands of foam particles that will fall off. I will use again. Material is waterproof and is reflective on both sides. A plus.
Date published: 2014-12-25
Rated 5 out of 5 by from Better then Great stuff Amazing product this is the standard for high performance insulation. Very easy to work with for my first time,score and snap like drywall or use very large dewalt razor knife and straightedge to cut all the way thru. I taped seams using 3m 8088 or Siga wigluv and fastened with 3.5'' deck screws and Rodenhouse Plasti-Grip ci Prong Washer. It should be available at every HD but its not. Closest in stock HD to me was 1200 miles away so I drove and got a full penske truck load. 1 pallet special order minimum at my New Orleans HD and $13more per sheet not cool! But its the best price thru HD for polyiso anywhere.
Date published: 2015-12-31
Rated 5 out of 5 by from R13 in only 2 in. I purchased this rigid insulation to insulate a cinder block basement wall. The sheets were easy to cut and I achieved R13 in only 2 in. of space as compared to extruded polystyrene, which is only R10, and for the same money. My only disappointment was that I planned to use construction adhesive to install for the short term, but this stuff had a slight bow from the store shelf and the polyiso it is too rigid for the adhesive to adhesive to flatten it out, so I ended up using furring strips and 1/4" x 3-3/4" flathead Tapcons to anchor to the block rather than adhesive, which was my long term plan anyway. Not the products fault, but thought you should know how it behaves. Also, tape the seams with the nashua foil tape and fill any large gaps with great stuff (same polyiso product).
Date published: 2015-01-05
Rated 4 out of 5 by from Good material. Installs easy Installs quite easy. Use extra fine tooth wood saw to cut to size. When picking up material from store INSPECT IT for damage to the corners and sides! The do not pay much attention to the fact that this board is quire fragile and it gets damaged easy if mishandled. REMEMBER YOU PAY $35!!!!! + TAX A PIECE FOR THIS STUFF!
Date published: 2015-01-27
Rated 4 out of 5 by from great material very rigid product, easy to cut with a jigsaw. Used between existing joists and easy to press-fit when cut properly, no fasteners required. Cooled room by at least seven degrees over the batt insulation it replaced. Foil took a chalk line well. Easier clean up than coarser foam board, less static. It was pricey, but the thickness saved me a lot of install time.
Date published: 2015-06-16
Rated 5 out of 5 by from I am finishing my basement and was researching the best option for R-Value, water proof and ease ... I am finishing my basement and was researching the best option for R-Value, water proof and ease of use. The Rmax Thermasheath did the trick. It was easy to install, has a higher R-value than other rigid foam insulation and could be put directly on basement walls. After installing on all of the walls and sealing with the recommended tape, our basement temperature jumped by 5-6 degrees from 54-55 up to 60-61 degrees. One note, the insulation is 2" thick so you will need an extra long utility knife blade to cut. Using a saw works too but makes a lot of extra mess.
Date published: 2018-04-24
Rated 4 out of 5 by from I ordered 40 sheets to do basement wall insulation. Overall... I ordered 40 sheets to do basement wall insulation. Overall it is good quality material. A few of the sheets (approx 10) were damaged, but I was able to complete the job with enough leftover to insulate a 16x12x13 shed. Dampness is no longer a problem in crawl space(70 inch) any longer. More care should be used in the storage , handling , and delivery of these rather delicate sheets.
Date published: 2017-12-05
Rated 5 out of 5 by from Awesome stuff!!!! Added it to an old 2x4 exterior wall being refinished inside to more than doub... Awesome stuff!!!! Added it to an old 2x4 exterior wall being refinished inside to more than double the insulation value. Marked where my electrical lines were then used construction glue and 3 1/4" screws to hold the sheetrock and insulation to the studs. Really helped lower noise coming from outside too. Used a battery powered jig saw to cut smooth edges which created quite a bit of air-born particulate, so definitely use a dust mask & goggles if you have them.
Date published: 2018-05-08
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