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Unlike homes with basements or crawl spaces, a slab floor is solid concrete with no structural wood flooring system. For homes with this type of floor, soft soil or bad compaction is almost always the culprit. Once the soil is compromised, the slab will shift, and this creates the sagging or sinking effect. Pressure from that shift will sometimes crack the slab itself, causing high and low places in the flooring. To fix this type of damage, you need concrete slab repairs.
Water is a probable suspect, as it seeps into the ground around your foundation. The sill plate, wood beams, and floor joists are all vulnerable to this; these wooden components on top of your foundation are the wood framing system that supports your floor. Because it has direct contact with the concrete and can be over the exposed soil line, it often falls victim to water intrusion. Once water intrudes and saturates the wood, this leads to deterioration. It’s this deterioration that causes the floor system to fail.

But you don’t have to have standing water under your house to cause structural decay. High humidity can also damage the beams and joists that hold up your subfloor. Wood is highly porous and readily absorbs water from the air. Over time, this water saturation softens and rots the boards. As they decay, they compress under the weight of your home, lowering your floor sometimes by several inches.

Lack of building codes- or outdated ones- are another concern. A main support beam, the post that spans the length of your home, should be sized proportionately and supported every few feet. In many homes, the beams may not be the correct size or the support posts are installed too far apart. This over-spanning puts greater stress on the beam and makes it more likely to sag and potentially even fail.
Along the same lines, if your home is more than 50 years old, it’s also possible that inadequate materials are to blame. When a home is built, sometimes the beams or joists are not the correct dimensions. When this happens, a contractor will install a shim; a shim is a thin piece that adds a minimal lift to ‘even out’ the installation. Many times in construction, that shim was usually another piece of wood; at Acculevel we use steel shims to prevent compression or rot. These shims also allow us to increase the overall surface of the bearing load, so that the beam it’s supporting is not crushed by the weight of your home.
Technology is another age-related factor. New solutions and materials are always in development, but they take time to become commonplace. Before the 1970s, pretreated or pressure-treated lumber was not widely available or regularly used by builders. Lumber installed in its original ‘raw’ form is more vulnerable to insects and water damage.
New trends in home design can have a negative effect if a remodel doesn’t take the weight of the raw materials into account. Many older homes aren’t built to carry the load of solid granite countertops or stone-tiled floors and walls. Recreational items like a pool table or hot tub will also add significant weight to your floor system. These are all items that can put additional stress onto an already failing wood structure.
Contact Acculevel! We provide free estimates on sagging floor repairs.
Addressed a sinking foundation issue at John's property in zip code 46774. The garage's foundation had sunk about 1 to 2 inches at the corner and the back. Slabjacking was utilized to stabilize and elevate the affected areas, ensuring long-term structural integrity. The estimated cost of this repair was approximately $15,900.
Near New Haven, IN
Addressed a sinking foundation issue on the corner of a garage in zip code 46774. The foundation had sunk about 1 to 2 inches, particularly at the rear and far left corner. Using slabjacking techniques, we corrected the alignment and reinforced the structure. The job was performed for an approximate cost of $16,000.
Near New Haven, IN
In zip code 46774, we took on the task of lifting a sinking front porch for Jeff. The existing settling issues were resolved using slabjacking techniques, ensuring stability and safety. This project, with an estimated cost of about $3,800, focused on restoring the porch's original level.
Near New Haven, IN
Initiated foundation work on a commercial site in zip code 46774. Installed foundational piles to ensure structural stability, critical for the upcoming construction phase. These preparations will support the new development's infrastructure, aligning with long-term durability requirements. The project is approximately priced at $41,000.
Near New Haven, IN
Addressed structural concerns for Terri’s sunroom, installed four years ago, which is now slightly leaning, impacting door and window function. We noticed some cracks in the drywall. The repair ensures stability, executed for approximately $35,000.
Near New Haven, IN
We've completed a slabjacking project for Tim to address sinking concrete around his pool area. This service effectively stabilizes the surface, preventing further unevenness and enhancing safety. The job was carried out for an approximate cost of $2,200, ensuring a durable and aesthetically pleasing result without being directly adjacent to the pool.
Near New Haven, IN
We tackled structural issues at Jeb's property, located in zip code 46774, focusing on settling concrete and wall cracks. The front patio and back door had noticeable problems, prompting us to undertake necessary repairs. With Jeb's availability at 3:10 due to his schedule, we efficiently addressed these concerns. The approximate cost of this structural enhancement was $10,600.
Near New Haven, IN


