1/2" Diameter x 30' Length Backer Rod Caulk Saver Foam Backer Rod for Gaps and Joints Backing Concrete Filler

As described. Did the job. Used with caulk in driveway control joints. Would purchase this product again, if needed.

You should know that it doesn’t come rolled & organized like picture shows. It’s inside a clear plastic bag that has to be cut open. Once that’s done you will have to fight it back in the bag like a disobedient drunk snake and tape the bag closed to keep it insideBut it’s exactly what it says it is, works great…!

Thickness was perfect for cracks in the driveway. The price was fair

Did the job well!

Used on pool coping. Cleaned and vacuumed old gap. Then installed the foam tubing by stretching and pushing it into the gap space with a blunt 2” putty knife. This minimized the amount of expensive self leveling caulk needed to redo the pool caulking.

Does just what it was designed for but had to run it out and let it sit for a couple of days so that it would lay flat into the groove.

As advertised.

Good product for expansion join, good, but after some months, coming out