A good hot tub foundation should be rock-solid, uniform, and perfectly level. It should also offer some protection against weathering and place a buffer of at least four inches between the tub and ground.

In all these areas, concrete shines. In fact, more homeowners in Charleston, South Carolina are using concrete slabs for hot tubs than ever before.

Beyond meeting these criteria for a strong foundation, using concrete pads for hot tubs provides a number of additional benefits, including: