Why Choose Granite City Concrete Raising?

At Granite City Concrete Raising, we put a decade of business experience behind every project we complete. We are committed to treating our customers like we, ourselves, expect to be treated: with honesty and fairness. This includes being upfront about our costs and performing our jobs to the best of our abilities

Benefits of Using HMI Polyurethane Foam to Raise Concrete

  • Cost effective, this method is typically half the price of replacing the same concrete, depending on the extent of the leveling required. We provide free, upfront estimates for all of our work, so you’ll know exactly how much your project will cost before we proceed.
  • Less invasive than other methods, it has little impact on your landscape, and because there’s no concrete or grout to splatter about, clean up is minimal.
  • Near-instant dry time means your concrete will be ready to use immediately!
  • Cosmetically appealing, it requires smaller and fewer holes in your concrete, which go nearly undetected once we’re finished.
  • Strong and lightweight, it never loses its density and weighs only 2 lbs. per cubic foot.
  • Earth-friendly, it is composed of 40% recycled materials. In addition, we keep waste out of our landfills!


What Causes Concrete to Settle?

Several factors come into play which may cause concrete to sink and become uneven. This can include poor soil conditions, especially those composed mostly of clay, which is prone to expanding and shrinking due to moisture. Insufficient drainage also results in uneven moisture content in the soil; this can result from something as simple as a poorly placed downspout. Inadequate soil compaction beneath a concrete surface or incorrectly installed backfill are known culprits. Even trees can suck up moisture from the soil surrounding concrete, drying it out and causing it to pull back, leaving a void that will cause settling. The longer you wait to have these conditions addressed, the worse the damage to your concrete.

Our Process

  • Drill holes in sunken concrete surface
  • Set hose and components in place, then inject the polyurethane foam into holes. Foam fills the voids below the concrete as it lifts and levels it.
  • Holes are filled with new concrete and the surface is ready to use!