C.A.R.E. Property Services, Inc provides expert concrete repair solutions using the PolyLevel® system. PolyLevel® is an expanding polyurethane foam that is injected beneath the concrete to fill the gaps caused by soil erosion and raise and stabilize the concrete surface. Great things about PolyLevel are that it is strong but light, waterproof, stable and inert, quick curing, adjustable, and noninvasive