0732813100096

R-Tech

Model 320817

Internet #202532855

Store SKU #614645

1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation

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

Frequently Bought Together

Product Overview

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

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Customer Questions & Answers

29 Questions24 Answers

Customer Questions & Answers

1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation

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2 answers

GREAT STUFF

This question is from 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
Asked by
Florence, Ky
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April 26, 2016
Can a polyurethane such as Great Stuff be used with R - Tech?
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Answers (2)

Asked by
seattle wa
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July 18, 2016
Answer: 
yes, but they recommend (window/door) so it stays more fliexible when wall systems move it wont crack
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May 3, 2016
Answer: 
Do not know "great stuff".
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1 answer

Can it be glued to metal, What should I use to attach ? I'm isulating a metal storage container.

This question is from 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
Asked by
Arizona
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June 15, 2016
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Answer (1)

June 16, 2016
Answer: 
Hello Dean,
R-TECH Insulation boards can be attached using
mechanical fasteners and compatible adhesives.
The following is a pdf file with complete instructions.
http://www.homedepot.com/catalog/pdfImages/0d/0d925f98-7429-4e10-9e56-0787537f539f.pdf
Left click on the photo of the product you are interested in at Home Depot.com. Then detailed installation instructions and product specifications can be Read More
Hello Dean,
R-TECH Insulation boards can be attached using
mechanical fasteners and compatible adhesives.
The following is a pdf file with complete instructions.
http://www.homedepot.com/catalog/pdfImages/0d/0d925f98-7429-4e10-9e56-0787537f539f.pdf
Left click on the photo of the product you are interested in at Home Depot.com. Then detailed installation instructions and product specifications can be found by clicking on the orange arrow beside the word “specification” which is below the product’s photo of on Home Depot.com. You will find an installations instructions and user guide in a box to the right. Read this over carefully to see if this is right for you.
Thank you for your inquiry.
Charlotte of the Home Depot Community. Read Less
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1 answer

Can i use this directly on the basement concrete walls before i put up 2 by 4's. and how do i fasten it?

This question is from 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
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June 11, 2016
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Answer (1)

June 14, 2016
Answer: 
yes you can
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1 answer

Do I need to adjust anything on the garage door opener?

This question is from 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
Asked by
Arizona
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May 1, 2016
After adding 4 sheets of 1.5 in thick foam insulation (about 16 lbs) on my garage door should there be some adjusting of spring tension or something else?
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Answer (1)

May 3, 2016
Answer: 
Some doors may need to have the springs adjusted - others don't
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