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Product Overview
Fills gaps and openings to prevent drafts. Provides a sound surface for caulking projects. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: CAULKING/CAULK BACKER RODS;Shop All]
![M-D 71551 Backer Rod, 1/2 in Dia, 250 ft L, Polyethylene, Gray [SKU: ORG4962239]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/23950/22897/4962239__82834.1683063711.jpg?c=1 "M-D 71551 Backer Rod, 1/2 in Dia, 250 ft L, Polyethylene, Gray [SKU: ORG4962239]")
![M-D 71480 Backer Rod, 1/2 in Dia, 20 ft L, Polyethylene, Gray [SKU: ORG8105611]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/23943/22890/8105611__59775.1683063707.jpg?c=1 "M-D 71480 Backer Rod, 1/2 in Dia, 20 ft L, Polyethylene, Gray [SKU: ORG8105611]")
M-D
![M-D 71552 Backer Rod, 5/8 in Dia, 150 ft L, Polyethylene, Gray [SKU: ORG4962247]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/23951/22898/4962247__27246.1683063712.jpg?c=1 "M-D 71552 Backer Rod, 5/8 in Dia, 150 ft L, Polyethylene, Gray [SKU: ORG4962247]")
M-D
![M-D 71464 Backer Rod, 3/8 in Dia, 20 ft L, Polyethylene, Gray [SKU: ORG6289227]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/23942/22889/6289227__61862.1683063707.jpg?c=1 "M-D 71464 Backer Rod, 3/8 in Dia, 20 ft L, Polyethylene, Gray [SKU: ORG6289227]")
M-D
![M-D 71550 Backer Rod, 3/8 in Dia, 350 ft L, Polyethylene, Gray [SKU: ORG4962221]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/23949/22896/4962221__32548.1683063711.jpg?c=1 "M-D 71550 Backer Rod, 3/8 in Dia, 350 ft L, Polyethylene, Gray [SKU: ORG4962221]")
M-D
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