The floor needed to be leveled before proceeding with construction of an addition.

Slabjacking is a excellent solution for slab homes and commercial buildings where the interior slab has settled.

Thrasher Commercial was contacted by RTI Engineers and the Blue Springs R-4 School District to lift and level the gym and kitchen area of John Nowlin Elementary School. This project included installing a combination of resistance piers for the exterior foundation and interior slab piers to support the gym's slab floors. The building had settled approximately 2-1⁄4 inches in the worst areas. The project called for lifting the building and floors back to the original elevation before the school could begin construction of an addition that would be attached adjacent to this part of the building.

Installing slab piers is a permanent means of supporting structural and non-structural slabs that have settled.

Piers are more commonly associated with exterior foundations, but they can also lift and support interior slabs.  In this case, 67 helical piers were installed through small holes cored in the slab.  In some cases, after an exterior foundation is lifted, the slabs will be raised through mudjacking, slabjacking, or PolyLevel foamjacking.  Circumstances will often determine the best option, and in this case, the engineer preferred slab piers because of their permanence.  It was also more practical because the gym floor would be replaced during the renovation anyway.

Installing slab piers to level gymnasium floor.
Installing slab piers to level gymnasium floor.

Thrasher Foundation Repair performs projects like this on homes often, but our commercial division also performs them on larger structures.

Thrasher Commercial regularly works with design firms and general contractors to determine the most effective options. Our team can provide preliminary design assistance as well to ensure a permanent and cost-effective solution.

Installing slab piers is a permanent means of supporting structural and non-structural slabs that have settled.

Thrasher Foundation Repair installed 67 helical slab piers on this project to achieve the lift and result that was needed.  The construction of the addition was able to continue on schedule.

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