Model # 321355

Internet #202524156

Store SKU #286059

R-Tech 1-1/2 in. x 2 ft. x 4 ft. R-5.78 Rigid Foam Insulation
0732813100034

R-Tech

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

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

Choose Your Options

Product Thickness (in.)
1.5 in
Product Length (ft.)
4 ft
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Frequently Bought Together

Product Overview

  • Lightweight, easy to use
  • Multiple thicknesses
  • 1-1/2 in. x 2 ft. x 4 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.

Product Overview

  • Lightweight, easy to use
  • Multiple thicknesses
  • 1-1/2 in. x 2 ft. x 4 ft. R-5.78 Rigid Foam Insulation
Model #: 321355
Sku #: 286059
Internet #: 202524156

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.

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Compare Similar

Price
$9.95 /package
$5.98 /each
$8.38 /each
Name 3/4 in. x 1.21 ft. x 4 ft. R-3 Polystyrene Insulating Sheathing (6-Pack) FOAMULAR 1 in. x 2 ft. x 2 ft. R-5 Small Projects Rigid Pink Foam Board Insulation Sheathing 1/2 in. x 4 ft. x 8 ft. R-1.93 Insulating Sheathing
Brand Cellofoam Project Panels R-Tech
Ratings (28) (31) (11)
Sheathing Type EPS XPS EPS
Product Width (in.) 14.5 24 48
Product Length (ft.) 4 2 8 ft
Insulation R-Value 3 5 1.93
Faced or Unfaced Faced Unfaced Faced
Insulation Application Type 2x4 Walls,Attics,Basements,Ceilings,Garage Under Slab 2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Under Slab
Product Thickness (in.) .75 1 .5 in
View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
1.5
Product Height (in.)
48
Product Length (ft.)
4 ft
Product Thickness (in.)
1.5 in
Product Width (in.)
24

Details

Insulation Application Type
2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Floors,Garage,Under Slab
Insulation R-Value
5.78
Insulation Type
Sheathing
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
1lb
Sheathing Type
EPS
Structural
No

Warranty / Certifications

Warranty Information
N/A

Specifications

Dimensions

Product Depth (in.)
1.5
Product Height (in.)
48
Product Length (ft.)
4 ft
Product Thickness (in.)
1.5 in
Product Width (in.)
24

Details

Insulation Application Type
2x4 Walls,2x6 Walls,Attics,Basements,Crawlspaces,Exterior Sheathing,Exterior Wall Foundation,Floors,Garage,Under Slab
Insulation R-Value
5.78
Insulation Type
Sheathing
Interior/Exterior
Interior/Exterior
Product Weight (lb.)
1lb
Sheathing Type
EPS
Structural
No

Warranty / Certifications

Warranty Information
N/A

Questions & Answers

can this be used to insulate a attic panel?

A home inspector required me to insulate my attic access panel but didn't tell me what to use. can this be used for that?
Asked by: matt
Yes, I did. Just be sure if the R-value is sufficient to meet your needs.
Answered by: BCinCO
Date published: 2018-04-26

Does this have foil on one side?

In the description it is labeled as "Poly-facer on both sides helps provide durability and flexibility" but when I went to my local Home Depot, they only have 4 x 8 FT sheets of this same product, and on the online webpage for the 4 x 8FT it also says "Poly-facer on both sides helps provide durability and flexibility" However, in the store the 4 x 8 sheets have a foil backing, even though on the website it does not say anything about that. So do the 2 x 4 sheets also have a foil backing?
Asked by: zonfar
yes
Answered by: BCinCO
Date published: 2018-04-26

I'm making a fish cooler. what do you suggest I use to glue the foam edges to the slick sides?

Asked by: twadd
Try a construction adhesive like liquid nails.
Answered by: BCinCO
Date published: 2018-04-26

Is this foam board fire proof?

Is this foam board fire proof?
Asked by: smac2
No, this board is not fire proof.
Answered by: CommunityAnswer
Date published: 2018-06-28
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Customer Reviews

1-1/2 in. x 2 ft. x 4 ft. R-5.78 Rigid Foam Insulation is rated 5.0 out of 5 by 8.
Rated 5 out of 5 by from This product is easy to use, light and very good for garage doors. I bought this product to insulate my segmented garage door. Initially I tried regular fiber glass pads. I realized however that the garage door cannot be pushed up in case of a power outage or the garage door opener doesn't work. It was too heavy. I found this amazing product, the foam insulation 2ft x 4ft cuts. The 1.5 in thick fits perfect into the door compartments. I had to cut only the width to accomodate to the size of the door compartments but the length is perfect. After you cut to the right width, you have only to push a little bit the foam onto the compartment edge like you will install a bookcase sliding door or a window screen. That's all. Looks neat. The R value is even higher that a 3" thick fiber glass pad that will bulge out from the door compartment and will look like huge baby diaper. I am glad I found this product.
Date published: 2012-09-05
Rated 5 out of 5 by from Great Insulation I bought 16 of these instead of two garage door kits that cost $64 each... 16 cost me $69 and were easily cut to fit into my garage door... If I had bought two garage kits I still would have had to trim 8 of the 16 panels so why not trim all 16 and save some money... besides these panels were 1 1/2 inches thick instead of 1 1/4 inch thick in the garage door kits...
Date published: 2011-11-17
Rated 5 out of 5 by from Great. Perfect for what it was requiired for. Garage door insulation. Enough to do a double garage door. Had to replace my garage door. Difference between an insulated and non insulated door was $400. Garage door insulation kit cost approx. $70. Easy to cut with razor knife. Excess foam material was used to fill 2 panels, so was able to save 2 full sheets for any future jobs or repairs, if necessary. Used approx. 2 cans of foam fill spray to fill small void unable to get to. Save myself over $300.
Date published: 2015-02-04
Rated 5 out of 5 by from Perfect! Same as the others: Garage door insulation combined with pink boards for the right thickness. Cutting it with the bandsaw, worked fine. Very flexible without breaking.
Date published: 2012-11-09
Rated 5 out of 5 by from For Garage Door Insulation, this is the bomb!!! Let me tell you I agonized over this purchase, considering the 4X8 sheets out there were so much less money, but they were not 1.5 inches either!!! I am so happy with the look and the result!!! This insulation has a white with printing side and a shiny side that is plain and perfect. I trimmed with a miter saw and skill saw. I recommend cutting away from the garage you're working in... Lots of crumbs!!!
Date published: 2012-12-23
Rated 5 out of 5 by from village makers delight I have used the foam insulation as a product for thermal control. I however found an amazing use for the product. During the year I put up seasonal villages to celebrate the season or holiday. I had been looking for a storable solution to build multi layer villages. This product does the trick. I use 2'by4' cores and number them for storage purposes. I also use the 1/2 and 3/4 inch as the base for my tracks. If you spray the edges of the foam with stone spray paint the foam reacts and forms a structure that looks just like rock formation. Attached is a photo of my Dickens village one of four I currently have displayed in my home. Thanks for the great product. Jim McDonald
Date published: 2014-12-24
Rated 5 out of 5 by from Nativity Project I purchased this item because it is 1/2 the size. The foam board fitted in my mustang by pulling down the back seat. The board is light weight. To prevent the bidding when cutting, use a hot wire foam cutter. No mess
Date published: 2014-03-18
Rated 5 out of 5 by from Good foil covered styrafoam Works good on the upper side of my attic crawl space. Provides some insulation and also covers the roofing nails sticking through the plywood roofing panels. No more nail cuts on my head from standing up in a small space.
Date published: 2016-10-11
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