Model # 320817

Internet #202532855

Store SKU #614645

R-Tech 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
0732813100096

R-Tech

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

  • Lightweight, easy to use
  • Multiple thicknesses
  • 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
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Frequently Bought Together

Frequently Bought Together

Product Overview

  • Lightweight, easy to use
  • Multiple thicknesses
  • 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
Insulfoam rigid foam is a high-performance built-to-spec sheathing insulation that provides superior R-value and moisture resistance. It is offered in multiple thicknesses and dimensions, in both square-edged and tongue-and-groove joints. It is lightweight and easy to use and provides an optimum balance between performance and cost. Manufactured by one of North America's leading insulation and construction materials companies.
  • 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

  • Lightweight, easy to use
  • Multiple thicknesses
  • 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation
Model #: 320817
Sku #: 614645
Internet #: 202532855

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

  • 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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Price
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Name FOAMULAR 150 1-1/2 in. x 4 ft. x 8 ft. R-7.5 Scored Squared Edge Rigid Foam Board Insulation Sheathing 1 in. x 4 ft. x 8 ft. R-3.85 Insulating Sheathing FOAMULAR 150 1 in. x 4 ft. x 8 ft. R-5 Scored Square Edge Rigid Foam Board Insulation Sheathing
Brand Owens Corning R-Tech Owens Corning
Ratings (64) (86) (110)
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Specifications

Dimensions

Coverage Area (sq. ft.)
32
Product Length (ft.)
8 ft
Product Thickness (in.)
1.5 in
Product Width (in.)
48 in

Details

Faced or Unfaced
Faced
Insulation Features
Structural
Insulation Location
2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab
Insulation R-Value
R5.78
Insulation Type
Foam Board Insulation
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
4lb
Sheathing Type
EPS

Warranty / Certifications

Warranty Information
N/A

Specifications

Dimensions

Coverage Area (sq. ft.)
32
Product Length (ft.)
8 ft
Product Thickness (in.)
1.5 in
Product Width (in.)
48 in

Details

Faced or Unfaced
Faced
Insulation Features
Structural
Insulation Location
2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab
Insulation R-Value
R5.78
Insulation Type
Foam Board Insulation
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
4lb
Sheathing Type
EPS

Warranty / Certifications

Warranty Information
N/A

Questions & Answers

Can you use this instead of plywood on a 2x6 framed exterior wall? Or does it go on after the ply...

Can you use this instead of plywood on a 2x6 framed exterior wall? Or does it go on after the plywood?
Asked by: 1234
Yes, this is done to save money (usually on homes with siding) but this product is not structural and you will need to find another method of shear bracing your home (let-in bracing, shear panels, etc.) There are a few good resources on sheathing options, including this article http://www.greenbuildingadvisor.com/articles/dept/musings/wall-sheathing-options. There are links within the article specifically to "How to Install Rigid Foam Sheathing." Click on them. Read. Research. Location of the insulation (and any vapor retarders, or vapor barriers) is also very important in order to prevent condensation. This will depend on your climate zone. When in doubt, just pay a professional rather than risk rot, mold, and a structurally deficient home.
Answered by: Architect
Date published: 2018-05-31

what is the weight of 1 panel?

what is the weight of 1 panel?
Asked by: bob
Maybe a pound. It's super light weight. If you are going to put in it a truck make sue you can tie it down so it doesn't blow out of the bed. Or pick it up with a vehicle you can put it inside (suv or van).
Answered by: Themslydia
Date published: 2019-01-14

During installation, is a face mask required?

During installation, is a face mask required?
Asked by: Mark
nope. this is not fiberglass. it may create little white balls if you have to cut it but there is no dust.
Answered by: gaz
Date published: 2018-12-14

Looking to use this as insulation for a camper floor. Can it be glued and sandwiched between mari...

Looking to use this as insulation for a camper floor. Can it be glued and sandwiched between marine plywood and a polyply sheeting? If so, what kind of glue would work on all these materials? I was hoping to use a roll-on glue for complete and permanent adherence.
Asked by: Allan
I bet roll-on contact cement would work great. I would use two layers of 1/4" ply with Overlapping / staggered joints over this. It won't resist any point loads, like heavy footsteps near a doorway or at joints of boards. Distribute the loads as evenly as possible over this foam.
Answered by: Ben
Date published: 2018-04-26
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Customer Reviews

1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation is rated 4.7 out of 5 by 68.
Rated 5 out of 5 by from I am really pleased with the foil faced product. We... I am really pleased with the foil faced product. We used it to insulate a flat roof and it’s remarkable how well it inflates, even for its weight and thickness. Going to add this to my “go to” list of options for flat roofs, where anything helps…! Cuts with a knife, but ended up using a table saw.
Date published: 2019-01-15
Rated 5 out of 5 by from Easy to cut with an insulation knife or can use... Easy to cut with an insulation knife or can use a utility knife. I used between studs in a storage room that may experience some moisture
Date published: 2019-01-08
Rated 5 out of 5 by from Excellent product. Easy to install. I did 350... Excellent product. Easy to install. I did 350 square feet by myself using a 8' ladder on one end and 2 quick clamps on the other. Use a large razor knife with a sawing motion to cut out outlet holes and any linear cuts. The sawing motion makes the blades last longer. Dewalt has a nice heavy duty knife with a one inch blade for 11 bucks. (3 blades are 10 bucks).
Date published: 2019-01-01
Rated 5 out of 5 by from Very easy to cut to fit odd spaces.... Very easy to cut to fit odd spaces.
Date published: 2018-12-26
Rated 4 out of 5 by from Easy to work with. Wish the silver was on both... Easy to work with. Wish the silver was on both sides or a heavier clear cover.
Date published: 2018-12-18
Rated 5 out of 5 by from Excellent easy to put up. We are using it as... Excellent easy to put up. We are using it as a ceiling in my 40 X 60 home work shop. Looks great!
Date published: 2018-12-18
Rated 5 out of 5 by from Created a "liquids room" in my shop to preserve paints... Created a "liquids room" in my shop to preserve paints and other liquids that might freeze. Painted the silver side to give it a finished look.Works great!
Date published: 2018-12-18
Rated 5 out of 5 by from Easy to cut on my table saw. Worked great to... Easy to cut on my table saw. Worked great to fill gap between the girts on my pole building.
Date published: 2018-12-18
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