Internet #100317820

Model # W-N5075X

Store SKU #464947

0719968530015

Rmax R-Matte Plus-3 3/4 in. x 4 ft. x 8 ft. R-5 Polyisocyanurate Rigid Foam Insulation Board

  • Use in residential and commercial buildings
  • Energy Star qualified

Frequently Bought Together

Frequently Bought Together

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Product Overview

  • Use in residential and commercial buildings
  • Energy Star qualified
For wall sheathing applications in new residential, commercial or agriculture buildings, the R-Matte Plus-3/Thermasheath-3 is a great solution. It is also for use in thermal retrofit construction to existing buildings. This rigid foam plastic thermal insulation board is composed of environmentally sound, closed cell, polyisocyanurate foam bonded to a durable white-matte (non-glare) aluminum facer and a reflective reinforced aluminum facer. This Energy Star qualified Rmatte Plus-3/Thermasheath-3 provides R5 with dimensions of .75 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



  • Click here to learn more about Eco Options and Energy Efficiency
  • How much do you need? Let our calculator help:
    Insulation calculator button

Product Overview

  • Use in residential and commercial buildings
  • Energy Star qualified
Model #: W-N5075X
Sku #: 464947
Internet #: 100317820

For wall sheathing applications in new residential, commercial or agriculture buildings, the R-Matte Plus-3/Thermasheath-3 is a great solution. It is also for use in thermal retrofit construction to existing buildings. This rigid foam plastic thermal insulation board is composed of environmentally sound, closed cell, polyisocyanurate foam bonded to a durable white-matte (non-glare) aluminum facer and a reflective reinforced aluminum facer. This Energy Star qualified Rmatte Plus-3/Thermasheath-3 provides R5 with dimensions of .75 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



  • Click here to learn more about Eco Options and Energy Efficiency
  • How much do you need? Let our calculator help:
    Insulation calculator button

Info & Guides

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Compare Similar

Compare Similar Products
Brand R-Matte R-Matte STYRO Industries STYRO Industries
Name Rmax R-Matte Plus-3, 1/2 in. x 4 ft. x 8 ft. R-3.2 Polyisocyanurate Rigid Foam Insulation Board Rmax R-Matte Plus-3 3/4 in. x 4 ft. x 8 ft. R-5 Polyisocyanurate Rigid Foam Insulation Board FP Ultra Lite 2 in. x 2 ft. x 4 ft. Earth Tone Brown Foundation Panel FP Ultra Lite 2 in. x 2 ft. x 4 ft. Natural Tan Foundation Panel
Price
$13.35
$15.77
$27.37
$27.37
Ratings (185) (57) (10) (3)
Sheathing Type ISO ISO XPS XPS
Insulation Location 2x4 Wall,2x6 Wall,Attic ,Basement ,Ceiling Insulation,Crawlspace ,Exterior Sheathing,Garage ,Re-Siding 2x4 Wall,2x6 Wall,Attic ,Basement ,Ceiling Insulation,Crawlspace ,Exterior Sheathing,Garage ,Re-Siding Exterior Wall Foundation Exterior Wall Foundation
Product Width (in.) 48 in 48 in 48 48
Product Length (ft.) 8 ft 8 ft 2 2
Faced or Unfaced Faced Faced Faced Faced
Product Thickness (in.) .5 in .75 in 2 2
View Product View Product View Product View Product

Specifications

Dimensions

Coverage Area (Sq.Ft)
32
Product Length (ft.)
8 ft
Product Thickness (in.)
.75 in
Product Width (in.)
48 in

Details

Compatible Install Surface
Cement,Existing Drywall,Wood
Faced or Unfaced
Faced
Insulation Features
Formaldehyde Free
Insulation Location
2x4 Wall,2x6 Wall,Attic ,Basement ,Ceiling Insulation,Crawlspace ,Exterior Sheathing,Garage ,Re-Siding
Insulation R-Value
R5
Insulation Type
Foam Board Insulation
Interior/Exterior
Exterior
Number of Pieces
60
Product Weight (lb.)
7lb
Sheathing Size
8 ft. x .75 in. x 48 in.
Sheathing Type
ISO

Warranty / Certifications

Warranty Information
Standard Manufacturers Warranty

Specifications

Dimensions

Coverage Area (Sq.Ft)
32
Product Length (ft.)
8 ft
Product Thickness (in.)
.75 in
Product Width (in.)
48 in

Details

Compatible Install Surface
Cement,Existing Drywall,Wood
Faced or Unfaced
Faced
Insulation Features
Formaldehyde Free
Insulation Location
2x4 Wall,2x6 Wall,Attic ,Basement ,Ceiling Insulation,Crawlspace ,Exterior Sheathing,Garage ,Re-Siding
Insulation R-Value
R5
Insulation Type
Foam Board Insulation
Interior/Exterior
Exterior
Number of Pieces
60
Product Weight (lb.)
7lb
Sheathing Size
8 ft. x .75 in. x 48 in.
Sheathing Type
ISO

Warranty / Certifications

Warranty Information
Standard Manufacturers Warranty

Questions & Answers

Can I use this for insulating in the garage doors

Asked by: Judy
There are kits that are pre-cut to fit the metal garage doors. They would be easier to install. But this would work too.
Answered by: DoubtingThomas
Date published: 2018-07-29

Can this be used for the walls of a storage room inside the attic without anything covering it?

We have a door on the 2nd floor of our house that leads into an unfinished attic. I want to create a small storage room just inside that door (9' x 8' x 6') with a door on the back side leading into the rest of the large attic space. These foam panels would be nailed over existing sheetrock on three walls (the front wall that the existing door is in, plus the left and right side walls), but two sides of this new storage room (rear wall and ceiling) would be made only of these foam panels, which would be nailed to new 2x4 framing. I read that this foam insulation is meant to be under sheetrock or plywood as I understand it. Would leaving these two sides of this new room as standalone foam panels only, with no sheetrock, create a fire hazard and/or violate the fire code?
Asked by: Mike
According to the manufacturer it can, provided the attic space is "limited to servicing utilities" https://static1.squarespace.com/static/57a39be0579fb3a3a8540f56/t/5a4d199de4966bb3083ef6e8/1515002269847/Rmax+R-Matte+Plus-3+Application+-+Attic+and+Crawl+Space.pdf
Answered by: chsdiyer
Date published: 2019-01-11

can it be used for sound reduction for portable generator box ?

can it be used for sound reduction for portable generator box ?
Asked by: john
John, Polyiso is a low-density foam board product and does not possess the proper properties needed to be a quality sound absorbing material. However, when installed to create an air tight cavity, some sound reduction may occur. Polyiso is not intended as a sound damping material. It would not reduce the sound much around a portable generator box. It might reflect some of the sound.
Answered by: Jennifer
Date published: 2020-06-15

What color is the facing

Asked by: Mv
White
Answered by: OrlandoGuy
Date published: 2020-06-24
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