Before & After of an Interior Concrete Slab lifted today using Polyurethane Foam Injection - now the concrete slab is structurally sound and back in place! Free Estimates Tulsa 918-361-7787 OKC 405-571-0070 http://www.levelhomefoundationrepair.com #concretelifting #polyurethaneconcretelifting #foundationrepair #foundationpiers #crawlspace #engineer #tulsa #tulsaoklahoma #tahlequah #oklahoma #oklahomacity