M-D Gray Caulk Backer Rod, Gaps/Joints, 5/8 in. x 20 ft. - 71506

$ 4.00

The MD Building Products 5/8 in. x 20 ft. Gray Caulk Backer Rod for Gaps and Joints acts as a filler in large gaps before applying caulk. It insulates as well as cushions. Use in pavement cracks, wall joints and foundations. Backer rod is easily trimmed to size with scissors.
Features:
  • Fills large gaps and openings to prevent drafts
  • Provides a sound surface for caulking projects
  • Recommended for use in expansion joints in driveways and sidewalks
  • Easily trimmed to size with scissors
  • Multiple strands of cord can be twisted together for extra-large gaps