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> M-d building products backer rod for gaps and joints, 5
M-d building products backer rod for gaps and joints, 5
M-D Building Products Backer Rod For Gaps and Joints, 5/8-by-20 Feet, Gray #71506 71506 by M-D Building Products
5/8" 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 1/2" x 1/2", Prevents 3 Point Bonding.