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Yes, concrete driveways benefit from a driveway sealant. However, applying the wrong sealant to your concrete driveway can actually make it a safety hazard by turning the surface slippery if wet, so avoid epoxy or polyurethane sealers and go for an acrylic or a penetrating concrete sealer instead.

A concrete floor is just an indoor finished surface on a concrete slab, which a local concrete flooring company will polish or coat for aesthetics and stain resistance. A concrete slab is more often an unfinished slab of concrete that serves as a foundation for a structure, like a shed or home. However, they can also be finished for outdoor use, as in the case of a decorative concrete patio or walkway.

It is not advisable to pour concrete directly on dirt. Even compacted soil—known as a subgrade—is not strong enough to maintain the form of concrete. You can, however, pour concrete over concrete as long as the overlay has proper bonding agents and the slab below is clear of damage.

Concrete floors can last 50 to 75 years or more when properly sealed and maintained. Some concrete finishes, like polished concrete, will need to be refinished periodically—depending on the finish and foot traffic, you may need to refinish or reseal your concrete floors every five to 20 years. Keeping the concrete properly sealed will prevent damage and extend the lifespan of your concrete floors.