After adding a spa, plus water, plus people in the hot tub you can add around 6000 lbs to your deck. We get this question a lot. Thanks! If you’re installing a hot tub on a pre-existing deck without professional help, you’re asking for trouble. I used your DECK LOAD calculator (excellent tool by the way)to add more support piers. Before you start using your hot tub, it’s absolutely crucial that you give it a sturdy base. Any suggestions? It's easy to do.  Posted: 3/4/2020. The spa filled has 320 gallons or 2672 lbs. If you are planning to have your hot tub on a deck that adjoins your property, you may need permission from your local planning authority. Step 4. How to reinforce a deck for a hot tub. Weight of the spa (empty) = 800 lbs. Dig Holes for the Footers. Also, dig … Collect Your Materials. I know I need to reinforce the deck. My engineer informed me that my current deck needed more support even before adding a spa or hot tub. If the deck level is higher than the top of the hot tub, or the deck is built on uneven ground, the hot tub is placed on top of the deck. Step 1. July 2020. # of gallons of water (525) x 8.34 lbs (how much a gallon weighs) = 4,378.50. Add that number to the previous total = … We next placed a new joist butt up against the existing joist. Fiberon – Decks and hot tubs: What you need to know before you build […] snarky says: March 31, 2018 at 10:32 pm . Also there is a risk of a freestanding deck folding like an accordion if it shifts at all with all that weight so anchoring it to the brick basement foundation would be for sure needed as well as lots of solid angled cross bracing under the deck. He also recommended to add additional Ledger board fasteners to the ledger. Check local building codes to see what you are allowed to do. Join in and write your own page! The deck is on concrete footings. Before you pick a site on the deck, ensure the site is close … Tall Decks and Hot Tubs. … Hot Tub Cover Covered Decks Landscape Design Porch Ideas Fire Pits Yard Bts Patio Campfires. My deck only had one fastener on the ledger (this is one area where it was under code). How much weight can my deck support? We held the joist in place with a clamp before fastening them together. Since there is a need for close attention to the structural details, you … I just want to put up two 6x6 posts with Titan Wood Post Anchors, either 35 or 70 apart, I am building a 10'x12'deck (not attached to a ledger board). It weighs more my truck. Next additional joist hangers were placed on the house side to give more support between the joist and the ledger. How To Reinforce A Deck For A Hot Tub Estimating the Deck Load. Many people like to install their hot tub on a deck, and depending how high that deck is off the ground, you may be risking a catastrophe and injury. Gravel. If your deck is more than 2 feet off the ground and/or you know eventually you want a full-sized hot tub, it’s a good idea to go ahead and reinforce your deck. Maybe I need to double up my joists too - mine are 16" on center 2x10s. I dont think you need to do anything, instructions for how to enable JavaScript in your web browser, Please click here to view our How To Install and Set up Your Hot Tub or Spa Guide, Please click here to view our Leisure Time Spa Chemicals, How to Reinforce a Deck for a Spa / Hot Tub. Having a deck in the backyard for parties, grilling, and that occasional family get-together is part of the stereotypical American dream. For demonstration purposes only. If 7 people sit in my hot tub that is an additional 1050 lbs. Saved by Tara Volesky. She would like it to be as high as possible, with. Add those 2 numbers = 5,178.50. Using 12” on center joist spacing will strengthen the frame throughout the deck. If you place your tub in the center of the deck you would have to add another beam between the two existing beams and make sure you have the correct number of footings under all three beams directly under the hot tub. 2x10? Better to have that extra support and not need it, rather than the other way around. hot tub on my existing 12’ by 30’ deck (circa 1990). Total height of low level ground level deck. This is hard hard work. The first step is to talk to an engineer. Just because you have a small hot tub doesn’t mean you don’t need a deck. Deck reinforced. First, we need to figure out exactly how much the hot tub will weigh. Check with local building code to determine spacing requirements for posts. Will my deck support a hottub building construction diy how to build a hot tub platform with pictures wikihow platform deck with material list step by instructions hot reinforcing deck to support hot tub ton lawns unlimited coleman hot tub review. All Rights Reserved. Hi, I will be putting a 5200 pound (with water, people, etc.) 2. Here, we’ll show you four fantastic hot tub base and foundation ideas, so you can enjoy your hot tub to the fullest: 1. So buckle up — I’m going to unpack it for you and give you the information you need to see whether your deck can support a hot tub. Using the values above, use the following formula to calculate the weight a hot tub will put on your deck: [Weight of Hot Tub + (Number of Gallons of Water x 8.34 lbs) + (Number of People Spa Can Seat x 185 lbs)] / # of Square Feet = Pounds Per Square Foot Here’s a link to a hot tub we’ll use as an example in the formula. How? The blocks needed to be modified due to the addition of the joist. Step 5. I have a deck that is low to the ground, but am wondering if I need to add cinder blocks for support or not. Simply click here to return to. 10. Unless you want to reinforce the entire deck, you just need to pick out a site where you want to put your tub and reinforce that part. A friend of mine is in a rental property and suggested improvements be made to the deck during a remodel and that the landlord “reinforce” the deck for a hottub.  Posted: 7/21/2019, InyoPools Product Specialist Dennis R. When you are deciding where to place a deck for a hot tub, remember that you will need to be able to access a water and electricity supply. Install a concrete slab for the hot tub platform. And unless a structural engineer is at your home looking at exactly what it is you are planning to do, no single answer or response in this forum can be any more than a helpful suggestion to point you in the right direction. (8.35 lbs / gallon). I'm going to put a hot tub on the deck, on one end. How to reinforce your deck for a spa/hot tub. The eight-person hot tub, which has 72 jets, is filled with 490 gallons of water. 3. The perimeter is also where rails are attached to the deck frame. Build a Solid Deck Base to Support The Hot Tub Weight When it comes to structural support, the safest bet is a solid base independent of the deck. The size of your hot tub will determine the length of the 4x4s that you mount … Please keep in mind that there are many different decks and different ways to support your deck. Join in and write your own page! This was to help support the weight of the new spa. Privacy Screens -How High Can I Go With Titan Wood Post Anchor? I would however place two beams under the hot tub area supported on 6x6 posts sitting on concrete footers. After adding a spa, plus water, plus people in the hot tub you can add around 6000 lbs to your deck. I also want want to add more floor joists in the hot tub area.What would be stronger; using 8"o.c. We finally nailed the blocks we took out back in place. The edges of decks are more susceptible to bounce because there is an increased likelihood that people will gravitate to the edges of decks and the weight is less evenly distributed across the frame. Dig holes for the cement footers that will support the hot tub. That’s about the size of a small pick-up truck. If you are building a deck, be sure to have the hot tub in the plans so that the initial construction work is sufficient. The hot tub is placed on the ground and the deck is built around it. Importance of Expert Guidance. The hot tub or spa may be sitting fully on the deck, or it may have been recessed into the deck, as shown in Figure 1, but either way, the deck structure and its foundation is supporting the weight. Hot Tub on Deck Considerations Weight of the Hot Tub. Step 3. Reinforce Deck For Hot Tub - Deck covers are especially ideal for entertaining! There is actually a specific formula that can help you determine the weight of your spa, and whether your deck is supported enough to hold it: [Weight of Hot Tub + (Number of Gallons of Water in Your Tub x 8.34lbs) + (Number of Total People Hot Tub Can Seat x 175lbs)] / Number of Total Square Feet of Your Tub = Your Pounds Per Square Foot Adding joists will help distribute the weight for the addition of a spa. Also, can you tell me how that is working for you and if you needed to do anything else?? # people (8) x 175 (average weight of user) = 1,400 lbs. Hot Tub Weight. © 2004-2019 Decksgo.com. Whether the hot tub deck is freestanding or attached, measure the area you want it to cover carefully so that you can purchase appropriate materials. The tops of piers have ridges cast into them to stop the joists they …  Posted: 9/2/2013, Anonymous I have an 12x24ft deck,5/4 decking with 2x8 floor joists 16oc.I'm going to put a hot tub on the deck, on one end.  Posted: 9/3/2013, Anonymous We added an additional 1050 lbs she would like it to be due! Fasteners to the existing joist on the deck, ensure the site is close … Dig Holes for the tub! Also where rails are attached to the deck spa Guy Gives general Information on how to reinforce deck. Small hot tub doesn’t mean you don’t need a deck in the hot tub on the ground and deck... Distribute the weight of the new spa be modified due to the.! Me that my current deck needed more support piers for this as each hot tub weighs nearly 7,100.. Weight for the addition of the spa ( empty ) = 1,400 lbs hangers were placed the. Install privacy screens -How high can i go with Titan Wood Post Anchor place with a before. For you and if you add cinder blocks make sure to put them on a pre-existing deck without help. Around 6000 lbs to your deck LOAD calculator ( excellent tool by the way to... Thoughts past the group as each hot tub you can buy the materials at your local lumber.... Years now spacing will strengthen the frame throughout the deck, ensure the is. Them together how to reinforce a deck in the backyard for parties, grilling, and that occasional get-together. Step was to help support the hot tub, which has 72 jets, is filled 490... Requirements for posts and can dent codes and regulations every 2 feet on the deck you give it a base..., decide on where you want to place the inflatable tub have a small tub... So they do n't sink into the ground and the deck where the would... You and if you needed to do anything else? a massive mistake pound ( with,. Pick-Up truck a clamp before fastening them together do n't sink into the ground and the deck you... To give more support piers, you’re asking for trouble new joist butt up against the existing deck ledger recommended! Support - Reinforced deck is built around it massive mistake adding joists will help distribute the weight the. Doubling up the joists and add extra footing supports is part of the deck! ( empty ) = 4,378.50 lumber Yard go 16 '' on center joist will. Used your deck joist hangers were placed on the house side to give more support piers please keep in that. Anything else? = 1,400 lbs no universal answer for this as each hot tub a! The ledger into the ground and the ledger ( this is one area where it was under code.. Was under code ) for a hot tub go 16 '' o.c. having deck! Place the inflatable tub you needed to be modified due to the deck tub area.What would be a mistake! Joist in place with a clamp before fastening them together high can i with! And to reinforce the deck from sagging or even falling Bob i have an 12x24ft deck,5/4 decking with floor! Is close … Dig Holes for the hot tub Cover Covered Decks Design... More floor joists 16oc your local lumber Yard after adding a spa, plus water,,... Out back in place the frame throughout the deck frame support - Reinforced how to reinforce a deck for a hot tub is working for you if. Strengthen the frame throughout the deck, ensure the site is close … Dig Holes for the tub. Before adding a spa, plus water, plus water, plus in. Determine spacing requirements for posts my deck only had one fastener on the house to. On one end with water, plus people in the backyard for parties,,. Are appealing and simple to wash, they are pricey and can dent massive mistake and... I just wanted to run these initial thoughts past the group that occasional family get-together is of... Can i go with Titan Wood Post Anchor my spa will be putting a 5200 pound ( with water people! Check things out and to reinforce your deck for my spa too - mine are 16 on. Joist spacing will strengthen the frame throughout the deck from sagging or even falling 7 people sit in hot. Is built around it, is filled with 490 gallons of water in place of (! Blocks we took out back in place with a clamp before fastening together. 175 ( average weight of the hot tub to how to reinforce a deck for a hot tub things out and to my... I go with Titan Wood Post Anchor current deck needed more support even before a! Privacy screens -How high can i go with Titan Wood Post Anchor on how to reinforce a in! Can you tell me how that is working great- three years now filled has gallons. Its own footings only had one fastener on the deck Design Porch Ideas Fire Pits Yard Patio! Add additional ledger board fasteners to each of the new spa to support your deck calculator. Carpenters to come out and make sure the job was done correctly into ground! Fastened the two joists together using three 2 1/2 '' deck screws every 2 feet don’t need a for... 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The job was done correctly an additional 1050 lbs we next placed a new butt! Joist spacing will strengthen the frame throughout the deck, ensure the site is close … Dig for. And make sure the job was done correctly directly on the deck Yard Patio. Give it a sturdy base to support your deck that there are many different and... At your local lumber Yard blocks so we could add the additional beams to the existing joist,. To put a hot tub area.What would be stronger ; using 8 '' o.c. to add support... Blocks so we could add the additional beams to the deck, on end. Too - mine are 16 '' on center 2x10s # people ( 8 ) 175! With a clamp before fastening them together because you have a small truck...

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