Caulking Backer Rope 3/8"x20'

Pre-Caulking Filler Rope™, backer rod, Grip Strip – sounds boring, right? All of these products fill your caulking joint so you use less caulk and have a perfectly designed joint that stretches properly day in and day out. Boring? Perhaps, but better than redoing the work if you don’t use it. Use in all caulking joints 1/2” deep and 1/4” wide, or larger. Available in a wide variety of sizes and shapes.Use behind chinking and caulking, in joints larger than 1/4″ wide and 1/2” deep or more, including: Between logs Around door and window frames At foundation sill plates In wall joints and cracks In sidewalk and driveway cracks And anywhere else you’ll use caulk Available Sizes:Filler Rope™ (diameter): 3/8”; 5/8”; 1-1/8”