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DETAILS
DESCRIPTION
Highlights:
- Size: 1/2" x 20'
- Backer rod for gaps and joints
- Prevents 3-point bonding
- Easily trimmed to size with scissors
- Fills large gaps and openings to prevent drafts
- Provides a sound surface for caulking projects
- Use before caulking to fill gaps and openings larger than 1/2" x 1/2"
- Non-absorbent, closed-cell polyethylene pre-caulking material helps repel moisture
- Twist multiple strands of cord together for extra large gaps
- Recommended for use in expansion joints in driveways and sidewalks