Backer Rod Foam Material for Expansion Joint

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BACKER ROD SUPPORT MATERIAL BETWEEN COPING AND DECK Often called backer rod, this foam material helps support the deck-o-seal material is stuffed into a deep joint and serves as a level supporting grade so that the Deck-O-Seal can be poured evenly. Sold per Foot. The purpose of the Backer Rod material is to create a shelf inside the joint between the back of the coping stones and the concrete decking. This shelf provides uniform support for the application of the self-leveling, Expansion Joint Filler, such as Deck-O-Seal. By using Backer Rod, you are decreasing the amount of Expansion Joint fill materials and thus lowering your costs. Show more