• Leveling an Antique Concrete Staircase

    A sunken concrete staircase posed a unique challenge in a grand mansion undergoing renovation for sale. The vintage stairs had settled unevenly, with the right side sinking three inches and the left two inches. This issue arose after the driveway slab had been replaced and the supporting slab around the staircase had been partially cut […]

  • Geotechnical Foam for Concrete Lifting Saves an Old Tree

    In most cases, after some testing, to check the soil density underneath the concrete slab, geotechnical foam can raise the concrete to make it trip-free for pedestrians.