
What To Consider When Installing Your Hot Tub On Your Deck
- The Weight Of Your Hot Tub. First thing’s first. ...
- Age. If you’re planning on installing your hot tub on your deck, you need to consider how old it is. ...
- Access or Location. You need to determine the location of the deck in relativity to your house. ...
- Deck Size. Who doesn’t want to be able to walk out on their deck and enjoy a nice soak in a spa? ...
- Water. ...
- Costs. ...
How to build a deck with a hot tub?
Types of Decks where Hot Tubs can be Installed
- Ground and Low-Level Decks. Decks built within three feet of the ground can be built to carry a hot tub, or alternatively, built around or beside a concrete pad on ...
- On the Top of the Deck. Placing a hot tub on a reinforced, Code-compliant wood deck is a common practice. ...
- Getting the Hot Tub onto the Deck. ...
- Build Deck Around the Hot Tub. ...
How to reinforce a deck for a hot tub?
How to Reinforce a Deck to Support a Hot Tub Step 1 - Collect Your Materials. The size of your hot tub will determine the length of the 4x4s that you mount beneath the deck. Step 2 - Remove Decking Boards if Necessary. Step 3 - Cut and Mount the Supports. Step 4 - Place the Footers. Step 5 - Put it Back Together.
Is a hot tub embedded in a deck a fixture?
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. But there’s a lot more to know ...
Will my deck support a hot tub?
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. But there’s a lot more to know ...

Is it safe to put hot tub on deck?
Can a hot tub go on decking? Yes, it absolutely can! As long as your deck is built to code and made to handle the amount of weight the hot tub, there is no issue. It's always best to consult a professional before installing a hot tub on any decking.
Is a deck strong enough for a hot tub?
In general, most decks can withstand 100 lbs per square foot. So if a hot tub like the one in the example is under that weight, the average deck should be able to support it.
Will a hot tub rot my deck?
Having a hot tub is one of the great treats in life, but the unfortunate truth is that splashing and treading of wet feet can lead to a very wet deck. This water, along with the chemicals in it, isn't good for a wood deck, and can cause your decking boards to deteriorate much more quickly than they otherwise would.
How do you reinforce a deck for a hot tub?
0:352:06How to Reinforce a Deck for a Hot Tub Spa The Spa Guy - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay so reinforcing the deck is very very simple basically all you going to do is just get you aMoreOkay so reinforcing the deck is very very simple basically all you going to do is just get you a good flat spot under it put your pylons. Down. You're going to what. We do is hang the joist.
Can I put a hot tub on a wooden deck?
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.
Do I need to reinforce my deck for a hot tub?
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.
What to put under hot tub on decking?
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.
Can you have a lazy spa on decking?
Can my deck hold a hot tub? If you're thinking of putting up an inflatable hot tub on your decking, have no fear! Wooden decking shouldn't have any issues holding a tub full of water and people, as long as it's close to the ground.
What is the best base 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.
How do I know how much weight my deck can hold?
If your deck is built to code, then it is designed to hold a minimum of 50 pounds per square foot, of which ⅘ of that total is the “live” load. Therefore, a deck of 120 square feet multiplied by 50 shows that your deck can hold 6000 pounds, including the structure.
Can you put a hot tub on a second floor deck?
A hot tub is an ideal way to upgrade your deck. If you put a spa on a second-floor deck, be sure to have the structure inspected by a licensed contractor.
How much water does a hot tub hold?
On average, a tub that holds six will have anywhere from 325-475 gallons of water depending on the size. Once you have people and water in the hot tub, the average weight skyrockets to 4,000 lbs for your average 4-man hot tub.
How much does an empty hot tub weigh?
The average empty hot tub has a weight of around 500 lbs. You can usually check with your manufacturer if you’re curious about the weight of your hot tub. As you move up in size, empty hot tubs can easily weigh over 1,000 lbs. On average, a tub that holds six will have anywhere from 325-475 gallons of water depending on the size.
How much weight can a deck hold?
On average, decking that sits just above ground level can hold around 100 pounds per square foot. With 100 pounds per square foot, you’ll be able to support a mid-sized hot tub with people and water. Of course, if your deck sits higher off the ground, it won’t have the ability to support as much weight.
Can you put a hot tub on top of a deck?
If you aren’t able to put your hot tub atop your deck, you may consider having a recessed installation instead. In this scenario, you get an upgraded structure without having to deal with reinforcements. You’ll have your tub in a prime access point and the style of a spa that you’d find at a resort.
Do you have to get under a deck for an inflatable hot tub?
Plus, you won’t have to get underneath your deck and make any structural changes that could require hiring a contractor. Installation costs with inflatable hot tubs are far less, though you still get to enjoy all of the same benefits that you’d expect from a traditional spa.
Do you need to replace a hot tub after a certain period?
If you're planning on installing your hot tub on your deck, you need to consider how old it is. This is especially true if you're dealing with a wood deck, as it may have suffered from rotting or warping over the years. Older decks often need maintenance or replacing after a certain period.
Can you put support posts on a deck?
Luckily, adding support posts or beams can be pretty easy if you have the ability to get underneath your deck. For decks that sit directly above ground level, no additional support is needed. It is always a good idea to have a contractor come and take a look at your decking.
Why put a hot tub against the wall?
Placing your hot tub against the wall of the house gives you some extra privacy and blocks wind so that you can be more comfortable on chilly nights. And the closer the tub is to a door, the faster you’ll be able to dash inside and warm up!
How thick should a concrete slab be for a hot tub?
A concrete slab is effective at supporting a hot tub. This must be installed along with the concrete deck footings of your deck. For most, a slab four inches thick should suffice, unless one decides to get a very large hot tub then something thicker should be poured.
How much weight can a deck hold?
In general, most decks can withstand 100 lbs per square foot. So if a hot tub like the one in the example is under that weight, the average deck should be able to support it. Of course, this isn’t something you’ll want to guesstimate. It is always wise to contact a professional to get an accurate estimate of what your deck can safely handle.
Is an above ground hot tub better than a deck?
The above-ground hot tub is an easier addition to an already existing deck, which makes it a better choice for some. However, you’ll need to take your deck’s weight capacity into account.
Is a hot tub a good investment?
While a hot tub is a significant investment, it can increase your home’s value and make your leisure time more relaxing. We hope you use the tips above to create the home spa you have always wanted, and if you still have questions, the experts at Decks & Docks are happy to help.
How much does an 8x8 hot tub weigh?
A standard 8’ x 8’ hot tub weighs about 5,000 lbs when fully loaded with water and people. Needless to say, this is much more than a typical deck frame is designed to support. You will always want to build a separate frame within your deck to support a hot tub. Adequate strength for this application is only achieved by installing properly sized footings below all the corners of the hot tub. You will want to get the exact specifications for the hot tub including the size and weight when filled with water before making considerations about how to support it.#N#Many builders choose to set the hot tub at a lower elevation than the surrounding deck, allowing a person to step down into the water with less bending and climbing. Always make sure you plan ahead to provide access to the controls. If your deck is being built near the ground, you may consider setting the hot tub on a poured concrete slab with access to the deck. Never place a hot tub on top of a deck that was not specifically designed to handle the intense loads.
Can you put a hot tub on top of a deck?
If your deck is being built near the ground, you may consider setting the hot tub on a poured concrete slab with access to the deck. Never place a hot tub on top of a deck that was not specifically designed to handle the intense loads.
How much does an inflatable hot tub weigh?
This is based on size, shape, and yes; whether or not it’s inflatable. With water and people, an inflatable hot tub will weigh at least 2,200 lbs and could go as high as 3,700 pounds for a large one full of 4-6 people. But that’s just a ballpark.
Can hot tub water damage a deck?
Hot tub water can harm a wooden deck, so you need to be careful if you decide to put one on there. But all decks are exposed to wind, and in some cases hail and snow too. So as long as you used pressure-treated lumber, and especially if you applied a stain or sealer on it, it really should be fine.
Can you have an inflatable hot tub?
However, just having an inflatable hot tub is ideal for some; especially renters, or if you are likely to move in a year or two. If you cannot make modifications to your deck or you have one that is slightly higher, an inflatable hot tub could be the way to go for you. If you have a deck that is high off the ground, ...
Do you need extra support for an inflatable hot tub?
So, as you can see, having a hot tub that is inflatable at ground level will not need any extra support at all. However, if it is higher than 2 feet, you probably need a little extra support for your hot tub. So, the higher your deck is, the less weight it can take per square foot.
Can you put salt water on a deck?
The stuff you put in your hot tub to keep it clean can cause harm to your deck. Saltwater will form salt crystals that interrupt the wood’s cells. Chlorine can alter the color of your deck because it breaks down the wood’s proteins. However, an ozone type of cleaning system is the least harmful to your deck.
Do you have to reinforce a hot tub deck?
In the end, you may need to reinforce your deck for your hot tub. Yes, even an inflatable one. The weight of the people and water in your hot tub will cause a lot of heaviness on your deck. So, make sure you take precautions to reinforce it.
How to move a spa?
To avoid headaches on moving day, be sure to carefully measure all dimensions of the entire route the spa has to travel before hiring movers to get your spa up stairs: 1 Width: The steps (and the path to and from them) must be wide enough to accommodate the spa at all points. 2 Height: Check any roofs, doorways or other overhead obstructions are high enough to let your spa pass under them. Bear in mind the spa will be on its side at around a 45-degree angle while it's traveling up the steps during the move. 3 Corners: This one can get tricky to measure, but if your steps or path have any turns in them, you'll need to make sure the spa can clear all the necessary angles.
Is it worth moving a hot tub?
Moving a hot tub is no small task, so it's almost always worth paying a professional to do the job for you. It's the best way to avoid causing damage to either you or the spa.
Can You Put a Hot Tub Anywhere?
Put your hot tub virtually anywhere that’s flat and secure. You can choose an indoor or outdoor location as long as it’s practical and safe. So, stick your warm water vessel in a designated room of your house. Or put one on the patio, deck, or rooftop for swanky entertaining.
How Far Away from a House Should a Hot Tub Be?
It’s crucial to follow hot tub building codes, especially when installing a unit on your rooftop. That’s because each state requires different criteria for homeowners. However, most municipalities adopt similar laws for hot water vessels, swimming pools, and other luxury installments.
Is It Okay to Put a Hot Tub on a Rooftop Deck?
It’s legal to put a hot tub on a rooftop deck if you follow all building codes for your state. But you should still worry about sturdiness when installing your vessel. That’s because there’s a difference between a traditional rooftop and a roof deck.
How Heavy Is a Hot Tub?
All hot tubs are different, so none of them weigh the same. However, a small tub usually weighs about 500 pounds without water. Once filled, the weight can jump to over 3,000 pounds. And the bigger your tub gets, the heavier it will be.
Do You Need a Permit for a Hot Tub?
In most states and municipalities, you don’t need a permit to erect an above-ground swimming pool or hot tub. However, always check your local laws to be sure. Lawmakers can change requirements at any time, and you can face steep fines if you break building codes.
Related Questions
Make sure you have enough power going to your hot tub no matter where you install it. Most residential hot tubs require 110v to 220v electrical connections. However, some are “plug-and-play” models. That means you can hook them up to your exterior outlets for instant access.
Enjoy a Relaxing Soak at Home
Soak in your rooftop hot tub without worrying about a thing. And enjoy rest, relaxation, or entertainment on your terms. Follow building codes to create an oasis that’s safe and secure. Or ask a professional to help with the installation.
