The owner of this home in Bozeman, MT contacted Yellowstone Structural Systems with concerns of their driveway settling away from their garage. Our Production Crew injected Polyurethane Foam into a 5/16th of an inch-hole that is drilled into the concrete slab. The foam expands and slowly lifts the slab to the correct height so that it is level with the rest of the concrete that is surrounding it.
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