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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
$3047 /each
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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

Product Depth (in.)
2
Product Height (in.)
96
Product Length (ft.)
8 ft
Product Thickness (in.)
2 in
Product Width (in.)
48

Details

Faced or Unfaced
Faced
Insulation Application Type
2x4 Walls,2x6 Walls,Attics,Basements,Ceilings,Crawlspaces,Exterior Sheathing,Garage,Re-Siding
Insulation R-Value
13.1
Insulation Type
Sheathing
Interior/Exterior
Exterior
Product Weight (lb.)
7lb
Sheathing Type
ISO
Structural
No

Warranty / Certifications

Warranty Information
Standard Warranty

Specifications

Dimensions

Product Depth (in.)
2
Product Height (in.)
96
Product Length (ft.)
8 ft
Product Thickness (in.)
2 in
Product Width (in.)
48

Details

Faced or Unfaced
Faced
Insulation Application Type
2x4 Walls,2x6 Walls,Attics,Basements,Ceilings,Crawlspaces,Exterior Sheathing,Garage,Re-Siding
Insulation R-Value
13.1
Insulation Type
Sheathing
Interior/Exterior
Exterior
Product Weight (lb.)
7lb
Sheathing Type
ISO
Structural
No

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 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: homebuilderme
Date published: 2018-07-24

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

Can this be installed directly in contact with a concrete foundation, and can it be in contact with the earth

Asked by: Jrc
The answer is yes to both questions. When installing to the concrete walls you must use large plastic pins along with special glue for foam board to make sure the board holds to the wall and sets up.
Answered by: Tim
Date published: 2018-03-31
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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 4.7 out of 5 by 27.
Rated 5 out of 5 by from Requiers 3-1/2 inch dry walls screws which Home Depot does... Requiers 3-1/2 inch dry walls screws which Home Depot does not sell. Was able to find them at another source. they are a little difficult to sink the heads in to the dry wall. I got a round this by using stared 3-1/2 inch deck screw to sink the hole, then removing & inserting the dry wall screw.
Date published: 2018-06-06
Rated 5 out of 5 by from I love it . Put it behind 2x4 studs against the block wall between 2x6's top and bottom plates an... I love it . Put it behind 2x4 studs against the block wall between 2x6's top and bottom plates and it gives me great heat in the winter and cool in the summer.
Date published: 2018-06-12
Rated 5 out of 5 by from The insulation performance is great and product is easy use. The insulation performance is great and product is easy use.
Date published: 2018-06-13
Rated 5 out of 5 by from Good product ... Good product
Date published: 2018-07-31
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 5 out of 5 by from I couldn't help but notice everyone trying to cut this with all the different tools. I wanted to... I couldn't help but notice everyone trying to cut this with all the different tools. I wanted to point out that an electric hot-wire cutter is the tool of choice for cutting these boards. You want have all that fly away Styrofoam balls everywhere when you use the right tool for the job. Easy to use and very simple. I discovered these boards decades ago when they were only a couple dollars for a 2" 4'x8' and used them for my own insulating. I don't know why the price is so high other than they can get by with it. The 4" 4'x8' were only a dollar more than the 2" thick boards. It's a shame they gauge the customers like they do but then again, that was a mom & pop store that I bought them from before the larger corporations closed them down. Still, it is a great product and would use again. Get the hot wire cutter and save yourself the hassle. It uses heat to cut with which melts right through without any fly away styrofoam.
Date published: 2018-03-21
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 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
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