Liftech, a Denver Colorado based concrete lifting company, specializes in lifting, leveling and stabilizing all types of concrete flatwork in residential, commercial and municipal applications. We use an advanced process of injecting a light weight, expanding polyurethane foam to raise, level, and stabilize concrete at a fraction of the cost of replacement. Unlike mudjacking, Liftech is also a minimally invasive and permanent solution to repairing flatwork of any kind.