Backer Rod is ideal for filling gaps. The backer rod is recommended for use in filling large gaps and openings to prevent drafts. Provides a sound surface for caulking projects.
Nonabsorbent, closed-cell polyethylene pre-caulking material. Use before caulking to fill gaps and openings larger than 1/2″ x 1/2″. Prevents 3-point bonding.
Nonabsorbent, closed-cell polyethylene pre-caulking material. Use before caulking to fill gaps and openings larger than 1/2″ x 1/2″. Prevents 3-point bonding.
Makes professional joints that last. Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement. Caulking adheres to the sides of the joint, but not to the filler rope, which allows the caulking to stretch and compress without tearing or pulling away thus extending…