M-D Backer Rod for Gaps and Joints, 3/8in. x 20ft. - 71464

$ 3.00

3/8" x 20' Backer Rod for Gaps and Joints
Poly Foam Caulk Saver acts as a filler in large gaps before applying caulk. Insulates and cushions. Use in pavement cracks wall joints and foundations.
  • 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
  • Twist multiple strands of cord together for extra large gaps
  • Easily trimmed to size with scissors