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How Thick Is Concrete Basement Floor ?

The thickness of concrete basement floor is a very important topic. You may ask what is the thickness of my concrete basement floor? The answer is simple, it depends on the type of foundation you have.

For example, if you have a slab foundation made up of 4″ thick poured concrete then the height of your basement floor will be 4″ and if you have a crawlspace below it then it will be 6″ or 7″.

That’s why it’s important to know what kind of foundation you have and how many inches thick it is before deciding what type of flooring material to use for your basement.

How Thick Should My Basement Floor Be?

The most common type of basement has a slab foundation that consists of four inches (4″) thick poured concrete. This means that there should be at least two inches (2″) between the top surface of your slab and the bottom surface of your subflooring material.

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Last modified: September 6, 2022