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Concrete Lifting and Leveling - Injection Ports
Two vertical injection ports are seen in this photo. These high pressure ports operate one way in that the material is injected under the concrete slap and cannot escape back out of the ports. Along the building the concrete is raised and what looks like a bead of caulk is actually the trimmed PolyLEVEL™ injection foam that also seams out the water at that joint.