Foundation & Structural Renovations Inc. - Foundation repair specialist in Huntsville and Madison, Alabama
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Foundation & Structural Renovations Inc. is the leading expert in the Huntsville, Madison, North Alabama area for repairs on foundations, slabs, basements and retaining walls. We also do structural framing repairs, slabjacking, leveling, deep drilled concrete piers to rock and pressure grouting.

Burt Cox
Foundation Repair Specialist
3124 Johnson Road
Huntsville Al, 35805
Phone: (256) 880-1901
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Probably the most common cause of foundation failure is due to the type of soil on which the structure is built – expansive clay. Characteristically, clay expands as it absorbs moisture and shrinks as it dries. When clay expands, it causes an uplifting motion. When it contracts or shrinks, it has a settling affect. The movement caused by these changes is passed on to the foundation causing it to settle and eventually crack. Depth of any type pier or underpin is critical in the repair of settlement due to expansive clay. The pier must bear below the shrink/swell area of soil where the moisture content of the soil is stable. Geotechnical engineers state this is about 8' deep but in our experience we still find this depth very dry during drought conditions.

A home constructed on poorly compacted fill material can have similar problems but typically does not go through the swelling process. The amount of fill and type of fill material used will compress over a period of time. As the materials compress, the foundation or slab settles and causes damage to the structure. This is more common on monolithic slab homes that require a level area to build on.

On mountainside lots, part of the foundation often bears on rock that doesn’t move and part of the foundation bears on fill or natural clay soil that shrinks as stated above. The city of Huntsville changed the code for building on slopes in 1992 and has eliminated this settlement problem for these homes built after 1992.


We have always taken pride on leaving a yard as good as or better than it was when we started. This probably accounts for the most compliments we get. On completion, the area is graded, topsoil added if required, shrubs replanted if removed and new mulch placed in the beds around the home if disturbed. Lawn areas are seeded and strawed. All concrete surfaces are pressure washed.

Foundation & Structural Renovations Inc. - Foundation repair specialist in Huntsville and Madison, Alabama