R-Tech 2 in. x 4 ft. x 8 ft. Foam Insulation-310891 - The Home Depot


Model # 310891

Internet # 202532856

Store SKU # 614653

2 in. x 4 ft. x 8 ft. Foam Insulation

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

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



Model # 310891

Internet # 202532856

Store SKU # 614653

The R-Tech 2 in. x 4 ft. x 8 ft. Foam Insulation features a poly-facer on each side for durability and flexibility and is Energy Star compliant. It cuts easily and its moisture resistance makes it great for basements.

  • Specifically developed for wall sheathing, siding underlayment and basement- and foundation insulation
  • 8 ft. Length 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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Assembled Depth (in.)  2 in  Assembled Height (in.)  96 in 
Assembled Width (in.)  2 in  Product Length (ft.)  8 ft 
Product Thickness (in.)  2 in  Product Width (in.)  48 
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.)  5.4 lb 
R Value  7.7  Sheathing Type  EPS 
Structural  No 
Warranty / Certifications
ENERGY STAR Certified  Yes  Warranty Information  n/a 


Rated 4.3 out of 5 by 4 reviewers.
Rated 2 out of 5 by Good for low budget but poor quality: Low R-value/thickness ratio Unless they updated the product info since I've written this, they did NOT include the R-value information in the specs. For those of you looking, it is R-7.7; SKU #573781 is just under DOUBLE the R-value for only $11 more (@R-13.2). September 6, 2013
Rated 5 out of 5 by Good Inside House Window Insulation For the Phoenix area this product is a must to insulate home windows (inside) to reduce summer heat. Lowers cooling costs. Easy to store over winter months. March 6, 2013
Rated 5 out of 5 by NO current inventory The product is good and quite useful and easy to work with. April 25, 2014
Rated 5 out of 5 by outstanding insultion; excellent sound wall. easy to install, reduce sound almost in a 100% . excellent insulation reduce my energy bill in a 40% . January 10, 2013
1-4 of 4


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