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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Lack of building codes- or outdated ones- are another concern.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're addressing foundation cracking and settling at Whispering's property in Fishers, zip code 46037. Our team is focused on repairing these structural issues to prevent further damage and ensure long-term stability. Estimated cost for this essential repair is just over $10,000.
Near Fishers, IN
Completed a critical basement waterproofing task for Carolyn in zip code 46037. Our team applied an effective sealant to manage moisture around utility penetrations and prevent water intrusion. This project, priced at approximately $3,000, enhances the home's water-resistance and supports the longevity of its foundation.
Near Fishers, IN
In the 46038 area, we've been working on addressing a sloping issue on Anje's concrete slab foundation. With the house being around 20 years old, new flooring installations revealed the underlying problem. Our team focused on stabilizing the base to ensure long-term durability and safety. Estimated cost for the project is close to $9,700.
Near Fishers, IN
We've completed a crawl space encapsulation at Pete's home in Fishers, Indiana, focusing on insulation and moisture protection. The project involved sealing the area to ensure a dry, insulated space beneath the house. Estimated at around $8,600, this encapsulation helps maintain structural integrity and energy efficiency.
Near Fishers, IN
We've been tasked with addressing water intrusion issues at Robert's 1993-built home. Previous water damage caused by misdirected downspouts has affected the basement walls. Our team is working to divert 4-5 downspouts, ensuring they connect to existing underground drains to prevent further sill plate damage. The approximate cost of this project is around $8,800.
Near Fishers, IN
We're tackling a crucial foundation stabilization project for Ryan and Emily in zip code 46038. The foundation required reinforcement to prevent further settling issues. Additionally, we've made improvements to the surrounding landscape to enhance drainage and prevent future problems. The overall project is approximately priced at $12,200, ensuring long-term stability and safety for their home.
Near Fishers, IN
We addressed a foundation repair project at Brandon's commercial property in zip code 46038. The job involved stabilizing the structure and implementing effective drainage solutions to prevent future water issues. With a project value of nearly $3,800, these enhancements will protect the building's integrity and ensure long-term durability.
Near Fishers, IN
An inspection of a basement revealed water seepage concerns, with noticeable white chalky efflorescence. No actual water was visible during the inspection. Additionally, attention was given to the patio area's cracks, which might contribute to water intrusion problems. The estimated cost for addressing these concerns is around $2,200.
Near Fishers, IN
We addressed the settling foundation issue at Davoud's home in the 46038 area. The project involved correcting the encapsulated crawlspace, which had caused one side of the house to lower slightly, leading to cracks and unlevel flooring. An approximate cost of $20,514 was expended to stabilize the structure, ensuring safety and proper alignment for all doors and floors.
Near Fishers, IN


