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Your cart is empty. Sika's Closed Cell Backer Rod is an essential tool for any joint filler project, ensuring efficient and long-lasting results. Its water-resistant and highly compressible properties make it suitable for interior and exterior uses. The gray color blends well and makes it compatible with most surfaces and sealants. Measuring 3/4" in diameter and 20 feet long, it makes an ideal fit for expansion joints, glazing installations, and window and door perimeters. For a simple installation, just insert the backer rod, apply sealant and smooth for a uniform finish. Achieve professional results and save time and money on your DIY project with Sika's Polyethylene Foam Backer Rod.
Available in 3/4"/20 ft. bag.
Lauret
Reviewed in the United States on February 14, 2025
This is the perfect size for ear posting. I premeasure and cut about 6" pieces. The only thing I don't like is that it's packaged in a coil, so the pieces end up in a curve. You have to reshape the piece and then tape it before posting your Doberman's ears. They are lightweight and durable.
Lauret
Reviewed in the United States on February 14, 2025
This is the perfect size for ear posting. I premeasure and cut about 6" pieces. The only thing I don't like is that it's packaged in a coil, so the pieces end up in a curve. You have to reshape the piece and then tape it before posting your Doberman's ears. They are lightweight and durable.
SixtiesGuy
Reviewed in the United States on September 4, 2024
Squeezes into expansion joint that was 1/2 inch nicely.Since this joint was deep I also put some sand in first.Then the foam backer installed nice and snug.Then the self leveling caulk joint filler, worked great.
SixtiesGuy
Reviewed in the United States on September 4, 2024
Squeezes into expansion joint that was 1/2 inch nicely.Since this joint was deep I also put some sand in first.Then the foam backer installed nice and snug.Then the self leveling caulk joint filler, worked great.
AZ
Reviewed in the United States on July 16, 2024
We had an expansion joint that needed to be replaced. Whatever was used previously disintegrated and had to be removed. The gap (over 1/2 inch) was cleaned thoroughly and ready to be filled. The backer rod was easy to use. I slowly pushed it between the gap so there's a snug fit. Afterward, I squeezed self leveling sealant and it flowed smoothly across the gap.No issues with the backer rod. Just make sure it's not punctured while pushing it into the gap.
AZ
Reviewed in the United States on July 16, 2024
We had an expansion joint that needed to be replaced. Whatever was used previously disintegrated and had to be removed. The gap (over 1/2 inch) was cleaned thoroughly and ready to be filled. The backer rod was easy to use. I slowly pushed it between the gap so there's a snug fit. Afterward, I squeezed self leveling sealant and it flowed smoothly across the gap.No issues with the backer rod. Just make sure it's not punctured while pushing it into the gap.
dajrsas
Reviewed in the United States on December 9, 2024
Great product
dajrsas
Reviewed in the United States on December 9, 2024
Great product
Customer
Reviewed in the United States on December 25, 2024
Very good quality for stopping air flow around doors and windowes.
Customer
Reviewed in the United States on December 25, 2024
Very good quality for stopping air flow around doors and windowes.
Oldswab
Reviewed in the United States on November 7, 2024
Required if the cracks or separations in the concrete go all the way through. If you don’t use it the self leveling filler will drain through the separating surfaces and will be lost.
Oldswab
Reviewed in the United States on November 7, 2024
Required if the cracks or separations in the concrete go all the way through. If you don’t use it the self leveling filler will drain through the separating surfaces and will be lost.
Louis Alexandre Guimond
Reviewed in Canada on November 29, 2024
pour mon besoin, cet article est juste parfait
Louis Alexandre Guimond
Reviewed in Canada on November 29, 2024
pour mon besoin, cet article est juste parfait
Michael T. Doherty
Reviewed in the United States on November 19, 2024
Good backer rod. Closed cell and dense. The correct diameter. Seems very well made. Buy and use with confidence.
Michael T. Doherty
Reviewed in the United States on November 19, 2024
Good backer rod. Closed cell and dense. The correct diameter. Seems very well made. Buy and use with confidence.
Jonatan
Reviewed in Canada on November 13, 2024
Waterproofing, did a good job
Jonatan
Reviewed in Canada on November 13, 2024
Waterproofing, did a good job
Judy
Reviewed in the United States on October 14, 2024
I ordered 2 sizes to fit my needs. Easy to use and cut to size. Good value.
Judy
Reviewed in the United States on October 14, 2024
I ordered 2 sizes to fit my needs. Easy to use and cut to size. Good value.
Tom
Reviewed in Canada on December 25, 2021
This product works as it should, in fact I will be buying more in the very near future. As usual, shipping was great and I received the product earlier than stated. No complaints here.
Tom
Reviewed in Canada on December 25, 2021
This product works as it should, in fact I will be buying more in the very near future. As usual, shipping was great and I received the product earlier than stated. No complaints here.
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