Before Caulking, Use Backer Rod  To Help Fill Gaps And Openings In Pavement Cracks, Wall Joints, Foundations, Sidewalks And Driveways.The Gap Filler Helps Cushion And Insulate And Helps Prevent 3-Point Bonding.
 ▪  Foam Cord/ Backer Rod

 ▪  Provides A Sound Surface For Caulking Projects

 ▪  For Filling Large Gaps And Openings

 ▪  For Use In Expansion Joints In Driveways And Sidewalks

 ▪  Moisture Resistant

 ▪  Twist Multiple Strands Together To Fill Large Cracks, Gaps

 ▪  Mfg #WS31191

 ▪  Made In Canada

This product has been discontinued. Low stock, while quantities last.