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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Lack of building codes- or outdated ones- are another concern.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.
Recently addressed foundation issues in a crawl space for Julia in zip code 46060. The house had windows that wouldn't open and a corner that was sinking, pulling the floor away. Our team worked to stabilize the crawl space, managing to prevent further movement and ensuring a solid foundation. The job was completed for an approximate price of $17,000.
Near Noblesville, IN
Our team recently addressed settling concerns in a crawl space in zip code 46060. The structure needed reinforcement due to noticeable settling effects. By implementing new support beams and addressing existing moisture issues, we aimed to stabilize the foundation and prevent future structural problems. The project was completed at a cost of roughly $8,600, ensuring enhanced stability for Beth's property.
Near Noblesville, IN
Completed a porch repair job, addressing cracks and settling issues. The foundation was reinforced, ensuring the porch is stable and secure. This work, done for Jeff in zip code 46062, included evaluating the need for piers, with a job cost of around $19,500.
Near Noblesville, IN
We have completed a significant commercial job, focusing on both exterior and interior aspects. On the exterior, new siding was installed to enhance durability and appearance. Inside, the ceiling and walls were primed for further work, highlighting the meticulous preparation involved in this project. The job was undertaken for client Lennar in zip code 46062, and roughly valued at $57,300. This effort ensures stability and an aesthetically pleasing environment.
Near Noblesville, IN
Brian needed foundation repair due to a crack identified by a waterproofing company. Our team addressed the issue with a comprehensive repair to ensure stability. The work, priced just over $3,500, ensures structural integrity while accommodating Brian's schedule around his coaching duties.
Near Noblesville, IN
We tackled a chimney issue for Don in the 46062 zip code where the structure was pulling away from the house. Our team focused on reinforcing the area to ensure the stability and safety of the chimney. This crucial repair was completed at an approximate cost of $14,635.
Near Noblesville, IN
Addressed concerns at 1127 Grant Circle, Cicero with comprehensive concrete slab jacking and pier installation. The project aimed to resolve previous cracking issues, improving stability and customer satisfaction. Jerry, the homeowner, expressed potential payment upon improved results, with the project valued around $5,200.
Near Noblesville, IN
While addressing potential water damage under a stone deck, our team discovered issues with the poured concrete framing the basement. The stones above had allowed water to seep through, creating a risk for future damage. We took immediate action to evaluate and address any potential threats to the concrete. This important preventive measure is set at an approximate cost of $2,175.
Near Noblesville, IN
We recently addressed structural concerns in Lana's crawl space in the 46060 area, focusing on replacing a deteriorating sill plate on the northeast side. Additionally, repairs involved replacing missing mortar between some blocks and addressing water damage impacting floor joists. The project was completed at an approximate cost of $7,100, ensuring the structural integrity and safety of the home.
Near Noblesville, IN


