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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Lack of building codes- or outdated ones- are another concern.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.
Secured and reinforced Pete's foundation in zip code 47374. Our team focused on stabilizing the structure with metal brackets for added support. This foundational repair work ensures long-term durability for the property, completed for an approximate cost of $10,500.
Near Richmond, IN
In the basement of a cottage, we tackled water intrusion issues by installing an effective waterproofing system. The project included setting up a perimeter drainage system and addressing areas prone to leakage. This crucial work ensures the basement remains dry and secure, significantly minimizing future water problems. Approximate cost: $7,100.
Near Richmond, IN
We recently upgraded the waterproofing system in Allen's basement in Richmond, zip code 47374. Our team installed a new perimeter drainage setup to effectively manage water intrusion. This project aimed to enhance the basement's durability and prevent future moisture issues. The approximate cost of this essential maintenance was around $14,000.
Near Richmond, IN
Recently completed a comprehensive waterproofing job in Howell's basement located in zip code 47374. The project focused on installing a perimeter drainage system to effectively manage water intrusion, ensuring a dry and secure area. This essential maintenance was carried out for an approximate cost of $15,000, greatly enhancing the integrity and safety of the space.
Near Richmond, IN
Addressed water damage in Jerry's crawlspace in zip code 47374. The main beam and insulation were compromised, necessitating structural repairs and a mold inspection. Our efforts focused on the west end of the house, coordinating with the existing sump pump situated to the east. The project was undertaken for an approximate cost of $18,371.
Near Richmond, IN
Completed an essential waterproofing project for Maria in the 47374 area to address water intrusion in her basement. Our team tackled the issue with comprehensive solutions to ensure the space remains dry and secure. The job was completed with an investment of around $11,566, providing long-lasting protection against moisture.
Near Richmond, IN
Kimberly's foundation in Richmond was showing signs of moisture intrusion. Our team implemented a targeted waterproofing strategy to tackle the problem areas effectively. The solution required a mix of modern techniques to ensure the space stays dry. The project was completed for approximately $13,500.
Near Richmond, IN
We tackled the issue of rainwater penetrating through Francie's basement wall by implementing a comprehensive waterproofing solution. This project involved installing interior drainage and sealing systems to effectively divert water and ensure a dry environment. This essential work, priced at approximately $15,700, significantly enhances the basement's usability and structural soundness.
Near Richmond, IN
We've tackled a structural repair project for Michayla in the 47374 area. The work focused on stabilizing the foundation, addressing visible cracks and reinforcing the basement structure. We ensured the space is secure and prepared for future needs. The cost of this essential repair was approximately $3,900.
Near Richmond, IN


