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cell foam backer rod

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  • Where to Buy Foam Backer Rod

    2022-05-07

    There are three basic types of backer rod. The open-cell type is most common, but there are also closed-cell backer rods. These rods are easier to compress and provide more surface area for the sealant to adhere to. However, closed-cell backer rods tend to have a higher moisture absorption capacity. Read More