![M-D 1/2 In. x 20 Ft. Gray Backer Rod](https://storage.googleapis.com/ezimage-cache/noscale/aHR0cHM6Ly9zdG9yYWdlLmdvb2dsZWFwaXMuY29tL3Byb2R1Y3RzLmV6YWR0di5jb20vMjIxMS8xNjA4NS5qcGVn.webp)
M-d 1/2 In. X 20 Ft. Gray Backer Rod
SKU #272644 Model #71480 UPC #043374714807
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m-d 1/2 in. x 20 ft. gray backer rod - Description
Nonabsorbent, closed-cell polyethylene pre-caulking material. Use before caulking to fill gaps and openings larger than 1/2" x 1/2". Prevents 3-point bonding.