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The average cost to replace concrete depends on the amount of material you need. However, you can expect the cost of replacing a concrete driveway to range from $2,000 to $7,000, or about $15 per square foot.

If you want to install or replace a concrete patio, the cost ranges from $800 to $9,000, depending on the size and exact materials. If you only need a slab, concrete slab costs range from $4 to $8 per square foot, or an average of $5,400.

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.

A floating concrete slab is considered a footing since it distributes the weight of the structure to the soil, but not all concrete slabs are considered footings. For example, a T-shaped slab includes separate footings below the slab that support the concrete above and push the load further down into the ground. In that case, the slab would not be considered a footing.

The best time to pour concrete is mid-afternoon when temperatures often sit between 50 and 60 degrees, and you don’t expect rain for at least 24 to 48 hours. Avoiding direct sunlight in the peak afternoon hours can help reduce the risk of curing too quickly, as can avoiding pouring on hot summer days. Colder temperatures and rain can lead to slower curing times and weaken the concrete. If in doubt, especially if your concrete will provide structural stability, hire a contractor to determine the best time to pour.