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”