A hot tub requires a stable surface — whether it’s a concrete slab, reinforced deck, or firmly compacted soil with crushed gravel. There’s also the option to have the hot tub installed in the ground but that still requires a concrete vault.

What’s the best base for a hot tub?

Gravel is an excellent choice for a hot tub base. It’s relatively cost-effective and easy to install, plus it’s very good for drainage. This is important because you need to make sure any rain water or overspill from your hot tub is able to drain away from the base. And unlike concrete, gravel won’t crack over time.

What should I put down under my hot tub?

If you’re having a base installed especially for your Hot Tub we would recommend a patio, decking area or poured concrete base. Whatever you choose make sure whoever installs it for you ensures the base is level and large enough for your Hot Tub and steps.

What does a hot tub sit on?

A level concrete pad or a reinforced deck are the most common surfaces hot tubs are installed on. However, depending on the spa model you use, you may not need to pour concrete.

How do you prepare the ground for a hot tub?

Place a layer of gravel on the leveled spot. The thickness of the layer will depend on the size and weight of your hot tub, but a layer four to six inches thick should be adequate for most hot tubs. Extend the gravel out around the tub in all directions, to avoid having a muddy area around your hot tub.

Can you put hot tub on grass?

Can a hot tub go on grass? A hot tub CANNOT sit directly on grass or earth. A hot tub holds too much weight to sit on grass. It will inevitably sink, the environment beneath the hot tub will be wet and untidy and it could lead to rot if you have a wooden framed spa.

Can a hot tub sit on pavers?

A hot tub can be placed on pavers, but ensure that they can bear the weight of the hot tub, including water and persons. Ensure that the floor is level and solid. Most pavers are laid at an angle to improve rainwater removal. Such a slope is not suited for a hot tub.

Can hot tubs sit on the ground?

Outdoor hot tub placement, such as decks, concrete or brick patios, is common. However, the hot tub can be placed on any solid, uniform, level surface. Do not place your hot tub on grass or bare ground.

Can a hot tub sit on gravel?

An alternative to a prefab concrete pad is to use a layer of gravel for the hot tub base. Gravel has two main advantages, it is good for drainage and easy to install. So yes, a hot tub can sit on gravel! To find out more about hot tub installation requirements, download a hot tub buyer’s guide.

Can I put a hot tub on patio stones?

Hot tubs require a level base that is able to support the weight of the hot tub when it is filled with water and bathers. You can use a concrete slab, gravel, a deck or patio pavers as options to support your hot tub.

What size pad do I need for a hot tub?

The spa pad should be at least the size of the spa. If you are going to pour cement pad put a slight slope in it so that water won’t pool under the spa. A 3/4″ slope in a 10 foot wide cement pad is adequate. If you use bricks or patio blocks, they should set on at least a 3″ base of sand, pea gravel or crushed stone.

How close can a hot tub be to a house?

Proximity to the house. To reduce the risk of electrocution, place your tub at least 16 feet away from overhead power lines. To protect your home and outbuildings from potential flooding, keep it at least 5 feet from any structure.

Where should I put my hot tub outside?

For outside installation, it’s recommended you place the spa on a level, 4-inch thick concrete slab. Other options include gravel, railroad ties, stepping or paving stones, and bricks. However, given the spa’s size, weight, and need for a level foundation, a strong, solid base is much preferred.