Model # 310891

Internet #202532856

Store SKU #614653

R-Tech 2 in. x 4 ft. x 8 ft. R-7.7 Rigid Foam Insulation
0732813100089

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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Frequently Bought Together

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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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 under a basement slab?

can this be used under a basement slab?
Asked by: crh
EPS Type IX may be used between the ground and slab, as well as many types of XPS insulations, but it shouldn't be installed unless the manufacturer says that it is intended for that purpose. Don't trust Jimbo or Home Depot's search database.
Answered by: StructEng
Date published: 2018-05-08

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
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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 44.
Rated 5 out of 5 by from Used it to insulate the metal roof of a shed... Used it to insulate the metal roof of a shed in Florida with the foil face out. AC worked much more efficiently afterward
Date published: 2018-06-26
Rated 3 out of 5 by from I'm only saying no because I got the insulation to put in the window to drown out the noise from ... I'm only saying no because I got the insulation to put in the window to drown out the noise from the A/C unit so I could sleep, and it didn't work. This insulation may be perfect for another project but it does nothing to quiet the ridiculously loud, yet brand new, A/C unit.
Date published: 2018-05-08
Rated 4 out of 5 by from It insulates very well. Easy to work with. ... It insulates very well. Easy to work with. It no longer has a clear white side so I will not be using it again, too bad, it has always worked great for me.
Date published: 2018-04-24
Rated 5 out of 5 by from lightweight, easy to cut, reasonably priced, now lets see how it works... lightweight, easy to cut, reasonably priced, now lets see how it works...
Date published: 2018-05-01
Rated 5 out of 5 by from Insulated part of my screened in room. Painted it, works... Insulated part of my screened in room. Painted it, works great.
Date published: 2018-06-06
Rated 5 out of 5 by from Not Installed Yet, But Appears To Be Just What I... Not Installed Yet, But Appears To Be Just What I Wanted.
Date published: 2018-06-12
Rated 5 out of 5 by from Exactly what I needed for my hydroponics setup.... Exactly what I needed for my hydroponics setup.
Date published: 2018-04-25
Rated 5 out of 5 by from exactly what I thought it should be exactly what I thought it should be
Date published: 2018-04-24
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