What Causes Uneven Floors in a House?

From a completely uneven house to a kitchen floor that’s uneven, there are typically three factors that contribute to an uneven floor. If you’re dealing with one of these, the uneven floors are just a symptom of a deeper problem.

If you’ve noticed you have an unlevel floor, you might not even know how it happened. Especially when it comes to uneven floors in an old house, this typically happens over many years. It’s not something that magically shows up overnight.

From a completely uneven house to a kitchen floor that’s uneven, there are typically three factors that contribute to an uneven floor. If you’re dealing with one of these, the uneven floors are just a symptom of a deeper problem. 

Poor Support Design

The area underneath your floor is made up of a complex web of support columns and floor joists. This web should be able to hold up the weight of your whole home. Obviously, that’s not an easy job. The thing is, if it’s a job that someone undertook poorly, you’re going to feel the repercussions of it.

If the original construction team that built your home created a poorly designed support system, you’ll feel it through the entire lifespan of your home. For example, if the support columns were spaced too far apart, your home can have sagging, squeaky floors and gaps between the floor and the wall. 

House Settling

The ground on which your home is built should be able to support the weight of your home. To make sure it’s primed and ready, a construction crew will pack the dirt down tightly and scout the area to make sure it’s not likely to have support problems. However, what happens if that prediction doesn’t come true or the construction crew doesn’t do its job properly?

If the ground starts to shift and move underneath the foundation of your home, you’ll run into settling issues. This can happen because of poor construction, poor planning, or even just unfortunate weather conditions. Regardless of why it’s happening, this can cause a variety of problems, including bricks cracking and uneven floors. 

Waterproofing Issues

Have you seen standing water in your basement, flooding in your crawl space, or dampness around your foundation? This isn’t just annoying. It can be indicative of an incredibly big problem because it can create foundational issues.

Moisture creates a perfect environment for mold, wood rot, settling, and more. If your foundation, basement, or crawl space doesn’t have proper waterproofing, you may start seeing these issues. Sometimes, that can start with uneven floors.

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