Armacell 1" Closed Cell Backer Rod/Crack Filler (25 ft)

Bought this to insert into our garage door bottom rubber seal and it fitted/worked perfectly for additional cushioning and insulation.

Great product. Have been using this to seal between walls and roof panels on metal shop. Use the backer rod in the gap along with foam gap and crack sealer (red stuff) and it seals perfectly. Afterwards we have applied closed cell spray foam over it and it dries hard making a perfect seal to ensure there is no transfer of heat, water or air. Good product, highly recommend.

I ordered this product because the 1” size was what I wanted for a project I was working on. I also ordered from this seller because they said it was sold in 25’ lengths. I needed about 22’ continuous for my project and other sellers listed 10’ and 20’ lengths so I ordered this product. When I got almost thru the project I found there was only 20’ otherwise it was just what I wanted.

Exactly as described. Good quality

Just what I needed, not a bad price.

This backer rod is part of my sidewalk expansion joint replacement. Pulled the old, rotting wood, filled the crevice with paver sand to 1.5 inches from the top. Tamped it down and leveled with a piece of 1.5 inch wood. Laid this backer rod on top of the sand, which fit tightly and sealed against the cement. The backer rod also reduces the amount of sealant caulk needed. Ideal depth is about 1/2 inch of this self leveling sealant. End result is shown. The local blue and orange stores did not carry the 1 inch backer rod, but this shipped quickly at a very reasonable cost. It is the density needed for this job and cuts easily with ordinary scissors. Don’t settle for the more common 3/4 inch, which may not yield a tight seal essential for SSL caulk. Highly recommended

The tubing was used to increase effectiveness of a roll up garage door bottom seal, that had flattened from years of use. This fix was recommended by a professional garage door installer. The original seal tubing had flattened, causing areas of rain leakage. The Backer rod tubing was pushed through the flattened bottom seal to "reinflate" the tubing enough to form an effective water barrier. The material was soft and flexible enough to form a tight seal against the garage door slab. Completely unrelated to the product quality itself, was difficulty encountered when working the tubing through the original seal tube. It must be noted that the use of this product was not for an approved application, so the product was never at fault. This product can be used for the application for which it was purchased, but note that installation difficulty may be encountered. This product is best used for its intended applications.

Bought this to seal the gap between the driveway and garage. 1" is a nice size that you don't find in local big box stores and was a nice snug fit. Filled the hole with play sand and pushed the backer rod n the hole leaving about 1/2" depth for polyurethane based sealer. Worked out well. I am giving only 3 stars due to the packaging. This product is shipped as shown in the picture without any other packaging so there are dings and cuts as the product is shipped in a plastic envelope.