Sandjacking™ is the process of leveling concrete with dry limestone sand. We raise the sections of concrete to the correct level and fill the area underneath with dried limestone sand to fill the entire void.
The low 2% moisture content of limestone sand results in a 95-99% compaction rating. Concrete can be immediately walked on after our repair.
Depending on your project, we may use any combination of these methods:
Braces
Ideal for concrete less than 10 feet in width that can be accessed from two opposite sides. Once lifted and leveled to match the surrounding concrete, dry limestone is blown to fill the cavity beneath, providing a dry, consistent base with 95-99% compaction for the concrete to rest on.
Hydraulics & Pole Jacks
When we do not have access from opposite sides, or on larger concrete slabs, we use our patented pole jacks to lift and level. After filling with our dry limestone sand, the .5 inch diameter holes are filled to match surrounding concrete as closely as possible.
We’ve seen it all, so our teams will be able to tell which sandjacking techniques are best for you.