FAQ: How To Make A Concrete Hot Tub?

How thick does a concrete slab need to be for a hot tub?

Concrete Slab



The base of reinforced concrete should be about 4 inches thick and be able to withstand a weight of at least 115 pounds per square foot, especially for larger spas. The concrete should be fully cured prior to placing the tub.

Can you put a hot tub on a concrete slab?

Hot tubs do not have to sit on concrete. They can be placed on wooden decks, paver stones, gravel beds, or spa pads. Just don’t place a hot tub directly on the ground or on a wooden deck that was not built to support the weight of a fully-loaded hot tub.

How do you build an inground hot tub?

Installation

  1. Dig a hole. Dig the hole 8–12″ wider than the footprint of the spa and a minimum of 41″ from the desired top of the spa.
  2. Prepare the hole. Install the filter cloth and weeping tile around the outer edge of the hole.
  3. Lower spa in and connect it up.
  4. Fill with water.
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How long does it take concrete to cure a hot tub?

In fact, the chemical reaction between cement and water that binds sand and gravel together to make concrete takes nearly 28 days to fully complete. During this process, which is known as hydration, you want to keep moisture in the concrete.

Does a hot tub pad need rebar?

Some concrete contractors say no mesh or rebar is necessary, others say mesh is enough, and others recommend the rebar which provides the most strength.

What does a hot tub need to sit on?

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.

Does hot tub wiring need to be buried?

Q: Does Hot Tub Wiring Need to Be Buried? A: Burying the wires that run from the electrical breaker panel to your spa panel and from the spa panel to your spa is important. However, for your safety, you should avoid running the wires under your hot tub.

What is the best base to put a hot tub on?

Above Ground – New Base



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.

How far does hot tub have to be from house?

In some areas, including Minnesota and California, you must set the tub back at least 5 feet from your property line. For an above-ground hot tub, measure from your property line to the edge of the tub’s structure. If your hot tub will have its top flush with the ground, measure the tub as you would a swimming pool.

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Is a hot tub a good investment?

When you use your hot tub regularly and thoroughly enjoy its intended benefits, it’s worth the investment. When you choose the right hot tub, you won’t regret the investment. In fact, you’ll most likely discover the benefits you never even expected.

Do hot tubs add value to a house?

A portable hot tub really won’t add value to your home. It’s actually just considered a piece of personal property. However, a hot tub that’s built into the ground, with nice landscaping around it, could add some value to your home.

Can I build my own hot tub?

You can build your hot tub to your own specifications, you just have to follow a few basic rules. No matter what materials you choose or what design you have in mind, this is a great way to get that custom hot tub that you have always wanted.

Can I drive on concrete after 3 days?

Concrete professionals suggest waiting at least seven days after the crew is finished before parking or driving your personal vehicle(s) on your new concrete. The reason for this is because one week is the time period it takes for your new concrete to achieve 90% of its full potential strength.

Is it OK if it rains after pouring concrete?

Heavy rain can cause problems to freshly poured concrete as it can wash out some of the cement from the mix. This can weaken the surface of the concrete, making it a softer consistency and decreasing the strength of the concrete.

Should you wet concrete while curing?

ANSWER: Keeping concrete moist helps the curing process. If too much water is lost from the concrete through evaporation, the hardening process slows down or ceases. Concrete continues to gain strength after pouring for as long as it retains moisture, but the longer it moist-cures, the slower the rate of strength gain.

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