PRE-CAULKING FILLER ROPE
Soft cell backer rod with water-resistant skin
Repels water to protect the joint from damage
Press filler rope into joint, leaving between 3/8" to 1/2" empty space at the top for caulk
Fully compatible w/all substrates & sealants
Saves money - fill the joint - use less caulk
Use for sidewalk/driveway cracks, door & window frames, sill plates, wall cracks & more
30510 1/2 IN. X1250 FT. BACKER ROD
SIZE:1/2"x1250'
COLOR:Gray
Sashco Pre-caulking closed cell backer rod coil. Use behind chinking and caulking. Essential for ideal joint design. Helps fill in and insulate large caulk joints and allows the caulking to absorb more movement. Fills the joint so you use less caulk. Fully compatible with all substrates and sealants. Use behind chinking and caulking. Essential for ideal joint design.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 the caulk's life and effectiveness. Closed-cell design repels moisture. Available in round shape. Measures 2"-inch diameter by 6'-feet length.
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This product is made in US