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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Lack of building codes- or outdated ones- are another concern.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.
We completed a crucial foundation crack repair at Joseph's residence in Crown Point, IN, zip code 46307. Our team addressed the visible cracks on the basement wall, ensuring long-term stability and preventing future water intrusion. This vital maintenance was performed for an approximate price of $2,615.
Near Crown Point, IN
Glenn's basement faced significant seepage around 50% of the walls due to hydrostatic pressure issues. Our team proposed exterior waterproofing along half of the foundation to address the concern effectively. This project, priced at approximately $16,800, aims to safeguard the basement against future water intrusion.
Near Crown Point, IN
Successfully completed a structure repair project in zip code 46307. The job involved addressing foundational issues to ensure long-term stability and safety. Reinforcements were installed to prevent future structural problems, with the work being crucial for maintaining the integrity of the property. This comprehensive repair was completed for an approximate cost of $11,500.
Near Crown Point, IN
Completed a structural repair focusing on stabilizing the sinking back porch footings and addressing the issues with a separating sunroom slab for Roxann in zip code 46307. Our intervention involved strategic reinforcement to enhance the structural integrity and prevent further damage, with the job priced approximately at $7,600.
Near Crown Point, IN
In Greg's home at 46307, we successfully carried out a crawl space encapsulation project. Our team ensured the space was effectively sealed to prevent moisture issues, laying down a protective barrier over the concrete. This important work aims to maintain a dry and secure environment, with the total project cost being approximately $2,650.
Near Crown Point, IN
We recently completed a thorough waterproofing job for Kris in zip code 46307. The project involved addressing moisture issues in the basement by enhancing the drainage system and sealing potential water entry points. This comprehensive service ensures Kris's basement stays dry and secure, with a total cost of about $14,950.
Near Crown Point, IN
We tackled a water intrusion issue at Kerry's basement in 46307 after recent plumbing fixes failed to resolve the problem. Water was found seeping through the basement walls, necessitating an effective waterproofing solution. The job was efficiently completed for an approximate cost of $20,900.
Near Crown Point, IN
We tackled basement wall concerns for Tim at their newly purchased house in Crown Point, zip code 46307. The basement walls showed signs of bowing at the frost line with potential minor seepage issues. Our team implemented stabilization techniques to enhance the structural integrity and prevent future issues. The project was handled for an estimated cost of around $19,700.
Near Crown Point, IN


