Especially if you want to build it yourself. Also, putting extra 4x4 posts under each corner of the hot tub… It is also to speak with a renovation expert about the status of your deck before starting any projects on your own. My engineer informed me that my current deck needed more support even before adding a spa or hot tub. Have your deck design wrap entirely around the hot tub. Of course, this isn’t something you’ll want to guesstimate. An ideal location for your hot tub is a flat sturdy surface. I want to make sure that this deck has plenty of support. This will involve several load cases. This top tips for building hot tub decks post is from the experts at Real Cedar.com,. Do not forget that a deck for a hot tub must not only support the tub itself, but also the water, and the weight of the people who are bathing in it. Active 1 year, 3 months ago. What spacing would I need on 4x4's 44" in concrete (frost requirement) if using 2x8's 16" o/c and pressure treated 1x4 decking? See all of our free deck plans here. A 7’x7’ hot tub can be somewhere in the range of 1,000 lbs empty. Build the permanent frame for the deck out of 2x6 pressure-treated beams (Images 1 and 2). Even inflatable hot tubs can still weigh up to 3,700 lbs full of water and people. I've been asked to build a 20' x 20' deck that will have a 4 to 6 person hot tub resting on top. (8.35 lbs / gallon). Framing a deck for hot tub installation diy plans hot tub deck support supports building your deck for a hot tub decks how to determine if a deck can support hot tub do it framing a deck for hot tub installation diy plans platform deck with material list step by instructions hot. Next, drop your hot tub into the deck. It's ideal. The average 8' x 8' hot tub weighs over 5,000 lbs when filled with water and people. Raised Deck Hot Tub Dimensions of deck are 3m x2.4m. What a relaxing scene. Install a concrete slab for the hot tub platform. The answer for hot tub people is both; sitting in a hot tub while out on your deck. If 7 people sit in my hot tub that is an additional 1050 lbs. The Rule of Thumb. Hot Tub Buying Guide Support your hot tub on a deck. Step 1 Consult the manufacturer's documentation that came with the hot tub, or consult the supplier if you're going to build the deck before delivery, to learn the hot tub's maximum in-use weight. If the deck is too high to support the tub with a slab, analyze the deck framing with the Hot Tub in the worst places possible for each member. But the fact is that your average deck isn’t built to support a hot tub full of people and water. I am looking to add a 2 person hot tub on my deck. I would obviously include many noggins. It is usually only necessary to add extra structural support to the area under the hot tub or spa, not the entire deck. This hides the bulk of the hot tub body and hides its real size. That is a total of 4,322 lbs. With the calculations we just did, your deck might be able to support that. A deck built to support a hot tub must, therefore, be sturdy and well-braced. If the added load, in this case the hot tub, was supported on blocks or four legs that would concentrate the load in a very small area, then you would start by checking the deck boards to see if they could carry the concentrated load. The property is sloped so closest to the house, the deck will be only 12" high … The hot tub is placed on the ground and the deck is built around it. Adding a hot tub to your deck, however, requires careful planning. A very common size but he wanted to design his deck so that the top of the hot tub sat flush with the deck surface. Note: The supporting structure of the deck can most likely be modified to take the additional weight of the hot tub or spa. If you’re looking at how to determine if a deck can support a hot tub, this article is for you. You need to consider everything from ensuring adequate structural support to determining the optimal location for the tub to understanding electrical requirements. Structural Support.Hot tubs must be placed on a flat, level surface, such as a concrete slab or a deck, without any shims.Beyond that, many structural and . Step 3 – Stake Out. I had in mind that I would use 4x2 CLS joists @ the 2.4m spans (300 centres) with around 20 4x4 treated posts concreted in and in particular around the area the tub would reside. This deck hot tub looks more distinctive with its multicolor finish. I'm thinking of using 2x12 joists 12" on center. Most decks that are two feet above ground level can easily bear up to 100 pounds per square foot, so supporting an empty inflatable hot tub would be nothing. However, if your deck will include a hot tub or roof, you must support that weight with additional footings. Ask Question Asked 1 year, 4 months ago. Can A Deck Support An Inflatable Hot Tub? Here’s how the math works out: 1 empty hot tub = around 800 pounds; 1 gallon of water = just over 8 pounds; 1 full hot tub = anywhere from 200 to 500 gallons; 1 person = average of 200 pounds The second is to build a deck strong enough to support the weight of a hot tub filled with water and people enjoying themselves. A new platform with large footings at least 22" in diameter should be installed below each corner of the tub … I've done a number of hot tub decks and have always overbuilt just for the peace of mind. Greg's hot tub was 8'x8'. Before building a hot tub deck, however, the builder must consider a few factors: first, do I need a building permit? My deck is made of all 2x6 material 12" on center floor joist, with 4x4 post and a 2x12 support … So you must be sure that the deck is able to support the weight of a full tub. This is our full set of plans for a deck with a hot tub. The hot tub will add about 100 PSF load to the normal live and dead loads. You never know if they might decide to position the tub differently than they indicated to you. As hot tubs have become increasingly popular to install in gardens across the country, decking has become the platform of choice. Or, if your deck has many angles, additional footings are necessary. You essentially need to double the supports of the deck for it to hold a hot tub. It is usually only necessary to add extra structural support to the area under the hot tub or spa, not the entire deck. It is always wise to contact a professional to get an accurate estimate of what your deck can safely handle. .. to structural support, the safest bet is a solid base independent of the deck. The hot tub place said I should build some type of wooden frame into the gravel so the tub … Never place a hot tub on an existing deck that wasn't designed to support the massive loads. But let's take into consideration the reality of it all. It’s always recommended to check with the hot tub’s manufacturer for specific weight information first. Wood Deck span/support for hot tub load Wood Deck span/support for hot tub load tctim (Computer) (OP) 18 Oct 03 13:37. That being said, it is generally understood that decks situated just a few feet above the ground can hold roughly 100 pounds per square foot. To safely support a hot tub, a deck needs to handle upwards of 150 pounds per square foot. I appreciate your info. Mixing a deck and a hot tub can truly create some amazing places to hang out and soak but what does it take for a deck to support a hot tub? This includes the wind patterns in the area, proximity to leaf shedding trees and bushes, the amount of sunshine received, space for the hot tub cover and accessibility and privacy issues. Inflatable hot tub might be able to support the massive loads an accurate estimate of what your has... 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