All joints or seams between two concrete surfaces or other materials should have an expansion joint material installed to absorb surface movements, and prevent damage to either structure. Expansion joints come in many styles, materials and sizes. The selection of the proper expansion joint for your project will vary based upon the installation environment, traffic and load conditions, and size of the joint itself.
National Concrete Accessories carries a full line of premium expansion joints in fiber and foam materials including hard and soft backer rod in a variety of lengths, widths and heights for any project you may be working on.
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