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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Lack of building codes- or outdated ones- are another concern.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've completed a comprehensive waterproofing job for Karen to address previous water challenges in her basement. Our team installed a sump pump system complemented by effective drainage solutions directed away from the house. This investment of approximately $8,659 provides Karen with the assurance of a dry and secure basement space.
Near Radcliff, KY
We've recently embarked on an exterior waterproofing project for Vincent in zip code 40160. With water compromising two sides of the foundation, our team initiated the creation of a trench along the affected areas. This allows for efficient drainage and protection against water attack. We've also considered using bumpy material for the foundation, priced around $16,200, to ensure optimum protection and meet Vincent's request to showcase the materials to his wife.
Near Radcliff, KY
We tackled significant water intrusion issues in Scott's basement located in Radcliff, zip code 40160. The space underneath apartments showed signs of water damage, prompting the installation of a robust waterproofing system. With poured concrete surfaces needing protection before remodeling, our team acted swiftly. This essential service, priced at around $7,400, ensures long-term dryness and security.
Near Radcliff, KY
We recently tackled water issues in Stephanie's finished basement. Water was rising through the floor due to hydrostatic pressure. Our team removed the carpet and installed a state-of-the-art internal drainage system along the foundation to manage water flow effectively. This solution, an investment of approximately $12,000, promises a dry and secure space free from moisture and musty odors.
Near Radcliff, KY
In Ann's basement located in zip code 40160, we tackled a troublesome wall where water was significantly leaking. Our team conducted a thorough assessment and implemented a waterproofing solution to effectively prevent water penetration. By installing a reliable drainage system and addressing structural concerns, we ensured a dry and secure environment. This service, priced around $5,900, offers peace of mind against potential water damage.
Near Radcliff, KY
We completed a basement waterproofing project for Austin in zip code 40160. The focus was to address water intrusion issues specific to the area around the sump pump despite the absence of visible cracks. Our team expertly installed a system to ensure a dry and secure environment, protecting the concrete foundation. This service was approximately priced at $11,100, reflecting the comprehensive nature of the work done.
Near Radcliff, KY
We tackled a water intrusion problem at James's property due to a leaky window. This involved addressing the mold and unpleasant odors by proposing potential window replacement and enhancing outside drainage solutions. This essential service was completed in zip code 40160, costing approximately $2,100.
Near Radcliff, KY
Finished a basement waterproofing project for Al in zip code 40160. Addressed water intrusion with a new drainage system along the walls and installed a sump pump to effectively manage excess moisture. This project enhances the basement's durability against rainwater seeping through, priced approximately at $5,900.
Near Radcliff, KY


