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Model # 310891

Internet #202532856

Store SKU #614653

R-Tech 2 in. x 4 ft. x 8 ft. R-7.7 Rigid Foam Insulation
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R-Tech

2 in. x 4 ft. x 8 ft. R-7.7 Rigid Foam Insulation

  • Numerous household, hobby and construction uses
  • Easy to cut-to-size and to install
  • Poly-facer provides excellent durability & flexibility
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Installation Options

Product Overview

  • Numerous household, hobby and construction uses
  • Easy to cut-to-size and to install
  • Poly-facer provides excellent durability & flexibility
Insulfoam rigid foam is a high-performance built-to-spec sheathing insulation that provides superior R-value and moisture resistance. Made by one of North America's leading insulation and construction materials companies, it is offered in multiple thicknesses and dimensions, in both square-edged and tongue-and-groove joints. It is very easy lightweight and easy-to-use and provides an optimum balance between performance and cost.
  • Specifically developed for wall sheathing, siding underlayment and basement and foundation insulation
  • 8 ft. L easily cuts to desired size
  • Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings
  • Moisture resistant with great insulating properties
  • Poly-facer on both sides for durability and flexibility
  • Note: Product may vary by store
  • How much do you need? Let our calculator help:
    Insulation calculator button

Product Overview

  • Numerous household, hobby and construction uses
  • Easy to cut-to-size and to install
  • Poly-facer provides excellent durability & flexibility
Model #: 310891
Sku #: 614653
Internet #: 202532856

Insulfoam rigid foam is a high-performance built-to-spec sheathing insulation that provides superior R-value and moisture resistance. Made by one of North America's leading insulation and construction materials companies, it is offered in multiple thicknesses and dimensions, in both square-edged and tongue-and-groove joints. It is very easy lightweight and easy-to-use and provides an optimum balance between performance and cost.

  • Specifically developed for wall sheathing, siding underlayment and basement and foundation insulation
  • 8 ft. L easily cuts to desired size
  • Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings
  • Moisture resistant with great insulating properties
  • Poly-facer on both sides for durability and flexibility
  • Note: Product may vary by store
  • How much do you need? Let our calculator help:
    Insulation calculator button

Info & Guides

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Info & Guides

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Price
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Name 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation 2 in. x 4 ft. x 8 ft. R-7.7 Rigid Foam Insulation Rmax Thermasheath-3 2 in. x 4 ft. x 8 ft. R-13.1 Polyisocyanurate Rigid Foam Insulation Board
Brand R-Tech R-Tech Thermasheath
Ratings (32) (35) (19)
Sheathing Type EPS EPS ISO
Product Width (in.) 48 48 48
Product Length (ft.) 8 ft 8 ft 8 ft
Insulation R-Value 5.78 7.7 13.1
Faced or Unfaced Faced Faced Faced
Insulation Application Type 2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab 2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab 2x4 Walls,2x6 Walls,Attics,Basements,Ceilings,Crawlspaces,Exterior Sheathing,Garage,Re-Siding
Product Thickness (in.) 1.5 in 2 in 2 in
View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
48
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,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab
Insulation R-Value
7.7
Insulation Type
Sheathing
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
5.4lb
Sheathing Type
EPS
Structural
No

Warranty / Certifications

Warranty Information
n/a

Specifications

Dimensions

Product Depth (in.)
48
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,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab
Insulation R-Value
7.7
Insulation Type
Sheathing
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
5.4lb
Sheathing Type
EPS
Structural
No

Warranty / Certifications

Warranty Information
n/a

Questions & Answers

Can this be used for a bed?

Can this be used for a bed?
Asked by: Rick
Not sure how you would use for a bed - as a foundation? Don't think it would work, would break and be a mess.
Answered by: Chickie
Date published: 2018-04-09

what is the best way to cut into varying widths

what is the best way to cut into varying widths
Asked by: tom
There are undoubtedly alternatives, but I used a cheap utility knife with a snap-off blade like this: https://www.homedepot.com/p/13-Point-Breakaway-Knife-66-0455-HDCU/202247083 It's cheap, and it's possible to extend the blade far enough to cut through the 2" thickness of the insulation. This stuff is messy; be prepared to add cleanup to your project timeline.
Answered by: halfdog
Date published: 2018-04-02

Does this insulation have the foil back ?

Does this insulation have the foil back ?
Asked by: Tam
Yes it does
Answered by: Anurag
Date published: 2018-03-18

can this be used under a basement slab?

can this be used under a basement slab?
Asked by: crh
why do Larry and Ustrom say NO when product description say yes?
Answered by: Dodgevanner
Date published: 2018-03-19
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Customer Reviews

2 in. x 4 ft. x 8 ft. R-7.7 Rigid Foam Insulation is rated 4.6 out of 5 by 35.
Rated 5 out of 5 by from Very easy to work with and cut out piece to fit. Very easy to work with and cut out piece to fit.
Date published: 2018-04-10
Rated 4 out of 5 by from 4 Star Review Rating provided by a verified purchaser
Date published: 2018-01-03
Rated 5 out of 5 by from Perfect, Could not ask for a better product easy to handle,easy to install, & priced 30% lower ... Perfect, Could not ask for a better product easy to handle,easy to install, & priced 30% lower than your major Competition, which defrays my Cost to drive 38 mi. one way to your store.. Happy in all aspects, helps me in every way ,especially the Wallet! Thank you,Very much!!!*****,
Date published: 2017-11-28
Rated 5 out of 5 by from I purchased this for my mother in laws double wide... I purchased this for my mother in laws double wide trailer. Her skirting had no insulation and the energy bills were high and her home very cold. Had it installed and so far working great she doesn't need as many blankets and we are waiting for the new energy bill hopefully lower.
Date published: 2018-01-16
Rated 5 out of 5 by from I did not use the insulation for it's typical use,... I did not use the insulation for it's typical use, it was for an outdoor lawn ornament, it worked out extremely well
Date published: 2018-01-02
Rated 5 out of 5 by from Prompt delivery! Product was exactly as described and worked like... Prompt delivery! Product was exactly as described and worked like a charm! Thanks!
Date published: 2017-11-21
Rated 5 out of 5 by from Used to insulate a rather drafty door in our basement. Worked nicely. Used to insulate a rather drafty door in our basement. Worked nicely.
Date published: 2018-01-23
Rated 4 out of 5 by from It performed as it said it would and fulfill my... It performed as it said it would and fulfill my needs
Date published: 2018-04-17
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