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The average thickness of a concrete basement floor should be 4 to 6 inches. The thickness of a concrete basement floor depends on your area’s building codes, the type of concrete you’re using, the load capacity, and the base flooring materials. Most residential basements require a minimum of 4 inches for standard foot traffic and light storage.

The concrete that likely already makes up your garage floor is the longest-lasting garage floor material, although you can treat it with a variety of coverings to improve its durability. Epoxy is one of the most popular options, as it’s relatively affordable, adds strength to the floor, helps prevent staining and physical damage, and even improves the resistance to water intrusion. Other popular options for durable floor coverings include rubber, an aspartic coating, and vinyl.

Concrete blemishes such as chipped steps or small cracks are fixable with patching. For bigger jobs, including driveway repair and cracks wider than a 1/4 of an inch, patches will only serve as a temporary fix. Resurfacing is ideal when the surface is showing more widespread wear—like if it’s pitted, rough, or has lots of cracks. Resurfacing gives your concrete a fresh, like-new appearance without needing a full replacement.

When the concrete is severely cracked, sinking, or otherwise structurally unsound, replacing it might be your best option. Replacement ensures the safety and longevity of the surface in this case.

As a general rule of thumb, allow 24 hours for penetrating sealers to cure and at least 48 hours of drying time for most topical sealers. Always check the instructions for the sealing product you’re using to determine the drying time.