Does a hot tub have to sit on concrete?

A hot tub does not have to sit on concrete and can be placed on any stable, level surface that will not become unstable due to moisture or weight. Those surfaces include wooden decks, paver stones, gravel beds, or spa pads.
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Can a hot tub be placed directly 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.
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What is the best surface to put a hot tub on?

A concrete surface is an excellent base for your hot tub as this material is extremely sturdy and long-lasting. If you have an existing patio made of concrete bricks, make sure it's in good condition and is level (not angled for drainage). A customized poured concrete pad is an even better choice.
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What is best to put under a 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.
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What base does a hot tub need to sit on?

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.
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Hot Tub Bases How important is it to your hot tub?



Can I put a hot tub on sand?

Hot Tub and Spa Base Pad

If you install your hot tub on sand, dirt, gravel, crushed rock or the grass, first, make sure the space is level, then simply put down this fantastic EZ Pad. The EZ Pad is portable and does not require a town permit to install. Just make sure there is enough drainage below.
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Can a spa sit on pavers?

Pavers are OK as long as they are flat and are bedded well (concrete base or cement mixed with crusher dust). Compacted Granite or Crusher Dust can be used as long as it is prepared in a way that will not move.
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Does a hot tub have to be perfectly level?

A hot tub has to be perfectly level. It can be on almost any flat, level, surface. It should not be placed on grass or the earth. Always ensure the surface you are placing the hot tub on can hold the weight of a hot tub filled with water and people.
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How far should a hot tub be from the 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.
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Can a hot tub sit on gravel?

Gravel Pads

The construction gravel should be topped with another layer of smaller sized pea gravel until it is perfectly even with the edges of the excavated area. 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.
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Can I put my 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.
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What foundation do you need for a spa?

A cement slab is a common base for spa baths and is perfect for both inside and outside hot tubs. The cement should be poured by someone with experience in spa slabs. This ensures it has been levelled and the surface underneath is sufficient for weight distribution.
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How much does it cost to pour a concrete slab for a hot tub?

Hot Tub Concrete Pad Cost

A concrete slab costs $5 to $10 per square foot or between $500 and $2,500 for a hot tub. Other options for a hot tub foundation pad are an existing patio, gravel base, pavers, reinforced deck, or plastic spa pad.
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Can I put my hot tub on decking?

Yes, you can put a hot tub on a deck. Decks built ground level up to 2 feet off the ground can support up to 100 lbs per square foot; sufficient for most hot tubs. But decks 2 feet or higher will need added support. The added support posts should be no more than 30″ apart & ideally placed in poured concrete.
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Should I put insulation under my hot tub?

Yes, it's not hard to add additional insulation to a hot tub. Less expensive hot tubs may have little to even no insulation, making them very energy inefficient. You can use a combination of rolled fiberglass, fiberglass panels, spray-on foam, and radiant barriers to significantly improve the energy-efficiency.
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How do I prepare my yard 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.
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Where is the best place to put a hot tub?

Your hot tub can be placed just about anywhere—outdoors or even indoors when practical. You can put it on a deck, patio, rooftop entertaining area, or even under a gazebo. The perfect spot for your hot tub all depends on your home and landscape design and layout, as well as your personal tastes.
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Should a hot tub be in sun or shade?

Hot tubs should be in the shade for three main reasons: it's more comfortable than using the spa in direct sunlight, it means less wear and tear on your cover, and UV rays can reduce the effectiveness of your sanitizer.
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What are the rules for hot tubs?

Recommended guidelines suggest that you should use a hot tub for 15 to 30 minutes at a time with a maximum of 45 minutes at any one time. DO NOT EAT FOOD OR SMOKE IN THE TUB. DO NOT IMMERSE YOUR HEAD UNDERWATER. DO NOT PUT ANY WEIGHT ON THE PLASTIC LID AS IT MAY DAMAGE OR BREAK THE LID.
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How much slope is too much for a hot tub?

There should be a maximum of ½” (1.27cm) slope in an 8' (2.44m) run. Do not use shims to level the spa, this could create tension on the spa shell which might result in damaging your spa. Because your spa pad must provide continuous support for the entire base of the spa, you should never level it with shims.
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Do you need a slab under a spa?

Your spa, swim spa or plunge pool needs a solid, flat, level foundation. lt must be positioned to allow for adequate service access on all sides of the spa. Learn more in this article. If the foundation of your spa, plunge pool or swim spa is inadequate – it may shift or settle after the spa is in place.
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What do spa pools sit on?

A four-inch concrete slab is recommended. You must also think about drainage and the damage moisture can cause to wooden decks and other structures. Think about creating a specific paved area, or consider building your spa into your deck.
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Can a patio hold a hot tub?

A hot tub on a deck is entirely possible, and it is possible your deck is already equipped to handle one. A deck designed to hold at least 100 pounds per square foot will support nearly any type of hot tub.
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How long before you can put a hot tub on new concrete?

When pouring a concrete slab for a hot tub, allow it to cure for 28 days minimally before placing a hot tub on it. This allows the moisture to be kept in the concrete, and putting weight on it prematurely will weaken the finished product with stresses and cracking.
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