R-Tech 1-1/2 in. x 4 ft. x 8 ft. R-5.78 Rigid Foam Insulation-320817 - The Home Depot
Message to Our Customers
Discontinued

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

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

This item has been discontinued.
The Home Depot no longer carries this specific product.

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PRODUCT OVERVIEW

Model # 320817

Internet # 202532855

Store SKU # 614645

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

Info & Guides

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SPECIFICATIONS

Dimensions
Assembled Depth (in.) 
48 in 
Assembled Height (in.) 
96 in 
Assembled Width (in.) 
1.5 in 
Product Length (ft.) 
8 ft 
Product Thickness (in.) 
1.5 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 Type 
Sheathing 
Interior/Exterior 
Interior/Exterior 
Product Weight (lb.) 
4 lb 
R Value 
5.78 
Sheathing Type 
EPS 
Structural 
No 
Warranty / Certifications
ENERGY STAR Certified 
Yes 
Warranty Information 
N/A 

CUSTOMER REVIEWS

Rated 4.8 out of 5 by 6 reviewers.
Rated 5.0 out of 5.0 by Great stuff...fun to work with I insulated my 6' X 12' enclosed cargo trailer every inch from top to bottom with this stuff, and was very impressed after I mounted a 5,000 BTU AC on the back door. It's like a walk-in cold storage freezer. lol The air condition unit now runs for approximately two minutes or less at every fifteen minute interval as opposed to nearly continuous 24/7. Sound proofing characteristics of this product are what I consider to be moderate to very good as well. As each panel went up I could notice the difference as it gradually eliminated an 'echo' throughout the trailer. Could not be happier. Excellent value per sheet. Fun to work with. I used a six inch 'utility scraper' razor blade to cut it up. :) May 7, 2013
Rated 5.0 out of 5.0 by Just what I was looking for I got this to insulate my steel pole building. It went up easy and is very easy to handle. Much easier than rolled insulation and more durable, in my opinion. Used dry wall screws to attach it to the horizontal 2x6 supports. I used fender washers to prevent the screws from pulling through the insulation. I also was able to cut it to fit into the panels on the steel overhead door. Did not need to glue them in since the cross supports hold them in place so they kind of "free float" in that space. The only minor complaint is that when you cut it into small shapes, the plastic sheeting sometimes peels off. January 13, 2015
Rated 5.0 out of 5.0 by Rigid foam is easy to cut on the table saw Rigid foam may not be too exciting, but I wanted to share, that it is very easy to cut on the table saw. I am always tempted to cut with a razor blade and snap, but the cut ends up a little rough. The entire sheet can be cut on the table saw much faster than with a knife and the cuts are perfect. I used this foam to insulate the narrow space on a custom pocket door wall. I have also used it in the past for insulating steel garage doors, when cut just a little larger, the panels will fit snug into the open spaces on the back of a steel garage door, adding good sound deadening and insulating properties. I have done this on 3 garage doors all with great success. The foam is so light, it doesn’t effect the door balance. Another great use, is as a backer for cutting a full sheet of plywood. It eliminates tear out and supports the sheet so you can push the circular saw across, while safely on the garage floor. Just let the blade cut into the foam. October 9, 2012
Rated 5.0 out of 5.0 by good stuff I've used a fair bit of this with success. the 1/2 inch size is great under large fish tanks (60 - 100 gallons). gives very even support and heat retention. Also 1.5" in external doors. Just a question, Ed, I've only ever used a utility knife but you say a circular saw is dangerous, but do not explain why. Why? July 27, 2014
Rated 4.0 out of 5.0 by good insulation wanted double side reflective but this is what I could get Sheet insulation for HDPE shed really knock down the heat I had to be inovative because the are no Glues recommended to stick the sheets to HDPE. June 10, 2014
Rated 5.0 out of 5.0 by caveat to Jasons review Using a table saw to cut foam is dangerous. I know because I have worked cutting foam for 28 years. The best wat to cut foam with home tool is using a jig saw or skill saw. The very best way to cut foam is with a wire. I'l explain: buy a 4" reeceptacle box, install a dimmer switch wired to a receptacle. Buy an extension cord, split the wires back far enough to allow you to have about 10' between the ends, get 2 1"X1" pieces of wood or a 3/4" dowel either one about 10". drill a hole in the end and dut a !. 25" or so machine screw through the stick, wrap the stripped ends of the extension cord around the screw and install a nut to secure the wire. Your now gonna need some resistance wire about 9' long. Wrap the resistance wire to the screws. Plug in the bow with the dimmer switch, turn it all the way down and off. Plug in the extension cord, Mark the board on both side at the length required, have someone hold and stretch the wire tight, turn on the dimmer switch and turn uo till the wire turns red, as soon as it turns red turn it down. You will feel the electricity going through the wire. line up the wire to the marks and pull strsight down. This will produce a perfect cut with no dust and not much waist. Total cost about $25.00. So if you have a lot to cut it's well worth it. Use your imagination this foam can suit many different types of building projects, like if you have old windows in your home and live in exteme climates cut pieces exacctly tour window size and insert from either side. If you want to remove it easily put them on the inside. I have almost all my windows insulated like this and save $$$$ as I am renting and live in an old house. I also built in my deck for the winters and fold it up in the summer. December 30, 2012
  • 2015-05-03T10:58:01.329-05:00
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SHIPPING AND DELIVERY OPTIONS

Store Exclusive. This item is available for purchase in select stores only.