We Treat Your Home Like Our Own


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Lack of building codes- or outdated ones- are another concern.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 addressed moisture issues in Lynn's crawl space, particularly targeting the northwest corner's moisture problem. By implementing a thorough waterproofing solution, we've ensured that the area remains dry and protected, reducing the risk of water damage. This project is approximately priced at $13,000, reflecting the comprehensive measures taken for effective moisture control.
Near Urbana, IL
Addressed the sagging floor issue by installing support piers in the crawl space. This project reinforced the structure, preventing further sagging and ensuring stability for the homeowner. Scheduled through messaging, the work was carried out smoothly, costing approximately $6,600.
Near Urbana, IL
Our team completed a slabjacking project on the commercial property of a public transit district to correct uneven sidewalks. This job aimed to enhance safety and accessibility by addressing noticeable height differences. The cost of this service was approximately $2,200.
Near Urbana, IL
Addressed a moisture issue in a crawl space, where a sump pump was not up to code. The project involved replacing the sump pump to ensure effective water management. This comprehensive approach helps protect against future moisture problems. The work was completed for Melissa in the 61802 area, at a cost of around $17,500.
Near Urbana, IL
In zip code 61802, we addressed Evelyne's concerns about her sinking and cracking concrete areas in front and behind her home. Our slabjacking service stabilized the surfaces to ensure safety and durability. The project was carried out for an approximate cost of $2,271.
Near Urbana, IL
Marcy's crawlspace had a significant humidity issue due to water seeping up through her dirt floor and between existing vapor barriers. Our team tackled the problem by implementing a complete encapsulation solution to manage moisture and potentially address water leakage around the front of the home. The project, completed around the 61802 area, was estimated at roughly $15,000, ensuring a drier, healthier environment for Marcy.
Near Urbana, IL
Jennifer's property in zip code 61801 was facing structural concerns marked by wall cracks and sticking doors on the first level. Our team wasn't sure whether the foundation was poured or cinder block. We identified and addressed these foundation issues, ensuring stability and function with an investment of around $4,425.
Near Urbana, IL
We addressed water intrusion issues at Irene's home in zip code 61801. The project involved waterproofing the basement to tackle moisture seeping through the walls, especially during rain. We implemented a comprehensive solution to manage water flow and prevent a musty smell, ensuring the durability of the clay tiles and concrete floors. This crucial intervention came at an approximate cost of $10,500.
Near Urbana, IL
We're addressing structural concerns with the wall near the basement stairs of a walkout basement in zip code 61801. The project may involve rebuilding or bracing the wall to ensure stability, and is valued at approximately $3,300. Our team aims to provide a reliable and durable solution for the homeowner, Christopher.
Near Urbana, IL


