R-Tech 1 in. x 4 ft. x 8 ft. Insulation Sheathing-310884 at The Home Depot
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Model # 310884

Internet # 202532854

Store SKU # 614637

1 in. x 4 ft. x 8 ft. Insulation Sheathing

R-Tech 1 in. x 4 ft. x 8 ft. Insulation Sheathing

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



Model # 310884

Internet # 202532854

Store SKU # 614637

R-Tech 1 in. x 4 ft. x 8 ft. Insulation Sheathing cuts easily to size. Facilitating its installation as wall sheathing, basement and foundation insulation or siding underlayment. This product meets federal guidelines for energy efficiency.

  • Designed for use as wall sheathing, basement and foundation insulation or siding underlayment
  • Energy Star qualified to meet or exceed federal guidelines for energy efficiency for year-round energy and money savings
  • Cuts easily to size to make installation a snap
  • Poly-facer on both sides for flexibility and durability
  • Moisture-resistant design to help maintain a water-tight seal
  • Note: Product may vary by store.

Info & Guides

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Assembled Depth (in.)  1 in  Assembled Height (in.)  96 in 
Assembled Width (in.)  1 in  ENERGY STAR Certified  Yes 
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 Length (ft.)  8 ft 
Product Thickness (in.)  1 in  Product Weight (lb.)  2.7 lb 
Product Width (in.)  48  R Value  3.85 
Sheathing Type  EPS  Structural  Yes 
Warranty Information  N/A 


Rated 5 out of 5 by 4 reviewers.
Rated 5 out of 5 by Makes a great blocking board for knitters I purchased one of these boards to use for blocking knitted lace. It is thick, lightweight, and pinnable. I cut it in half and taped the edges. Store easily. Highly recommended as a blocking board. September 30, 2013
Rated 5 out of 5 by Works great, easy to cut and install! I recently used this type of insulation to insulate my garage. It was very easy to cut and install and was much less messy or itchy then using traditional fiberglass insulation. I put the insulation in, then sealed all edges with GreatStuff foam to ensure it was completely air and waterproof. I will definitely use this again and recommend to anyone when insulating a garage on a low budget. November 6, 2013
Rated 5 out of 5 by Great behind my Orca Grow Film I have little light in my living room where a clerestory keeps the room lovely cool during the summer. But, during the winter my plants are light deprived. So, I got Orca Grow Film reflective wall covering to see how it works. It helped amazingly! But, since I heat with candles it also showed some jelly fish shaped marks where there must have been condensation from the temperature difference between my room temperature and the outside wall's temperature. I had the Orca applied so that there was an inch of air space which a YouTube video said would work to insulate. Now that the R-Tech has been slipped into the inch space the condensation problem appears to be solved. The R-Tech is really easy to work with, a steak knife cut it with hardly any mess. I highly recommend it. (And, it's quite a beautiful, intense white.) January 21, 2012
Rated 5 out of 5 by this product was sealed on both sides this product was easy to work with. i used it for forming mountains and riverbeds for a train layout. As the product had both sides sealed it was clean and easy to work with. August 13, 2013
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Store Exclusive. This item is available for purchase in select stores only.