Backer Rod for Gaps and Joints

SKU #:
MAS002045
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Product Price $2.99

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M-D Building Products Backer Rod for Gaps and Joints is a non-absorbent, closed-cell polyethylene pre-caulking material. Use it before caulking to fill gaps and openings larger than 1/2 in. x 1/2 in. It prevents 3-point bonding.

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Backer Rod for Gaps and Joints
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Size Available in 3/8, 1/2 or 5/8 in. 20 ft. length
Availability Both
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