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