3/8 in. x 2100 ft. Closed Cell Backer Rod
NIB backer rod. 3/8in diameter x 2100 ft
3/8 in. x 2100 ft. Closed Cell Backer Rod
This creates a backstop to allow proper sealant tooling, and proper sealant of the joint surfaces. Backer rod can also be used as a temporary joint seal. x 2100 ft. Closed Cell Backer Rod. Type Backer Rods.