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> M-d building products backer rod for gaps and joints, 3
M-d building products backer rod for gaps and joints, 3
M-D Building Products Backer Rod For Gaps and Joints, 3/8-by-20 Feet, Gray #71464 71464 by M-D Building Products
3/8" x 20', Caulk Backer Rod, For Gaps & Joints, Non-Absorbant, Closed Cell Polyethylene, Pre-Caulking Material, Use Before Caulking To Fill Gaps & Openings Larger Than 12" x 12", Prevents 3 Point Bonding.
* Fills large gaps and openings to prevent drafts
* Recommended for use in expansion joints in driveways and sidewalks
