how to reinforce a deck for a hot tub

This is hard hard work. The area under the hot tub should be framed as a separate system, with its own footings. Step 5. If 7 people sit in my hot tub that is an additional 1050 lbs. 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. Strengthening a Deck For a Hot Tub. Thank you for this information. She would like it to be as high as possible, with. I used your DECK LOAD calculator (excellent tool by the way)to add more support piers. Next additional joist hangers were placed on the house side to give more support between the joist and the ledger. My spa started off at 600 lbs. I am looking to install privacy screens on my concrete patio. How? 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. How much weight can my deck support? I also hired carpenters to come out and make sure the job was done correctly. How to reinforce your deck for a spa/hot tub. by Bob I have an 12x24ft deck,5/4 decking with 2x8 floor joists 16oc. Join in and write your own page! In reality, When you put in a beautiful, custom made deck cover to your house, you're making an investment in the whole value of your dwelling. Adding joists will help distribute the weight for the addition of a spa. I'm going to put a hot tub on the deck, on one end. When you add a spa or hot tub to a deck you are adding a lot of weight. 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. It's easy to do. Step 4.  Posted: 9/2/2013, Anonymous It is very simple and you can buy the materials at your local lumber yard. My engineer recommended to add an additional joist to each of the existing joist on the deck where the spa would be sitting. Each fastener was 3 - 5/8" long. The deck is on concrete footings. Our first step was to knock out the nailed in blocks so we could add the additional beams to the deck. Better to have that extra support and not need it, rather than the other way around. 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. 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 First, we need to figure out exactly how much the hot tub will weigh. 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. Step 3. Add those 2 numbers = 5,178.50. The spa filled has 320 gallons or 2672 lbs. That is a total of 4,322 lbs. We then added ledger board fasteners to the existing deck ledger. We get this question a lot. 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).  Posted: 9/3/2013, Anonymous Check with local building code to determine spacing requirements for posts. We added an additional 4 fasteners to each area between the deck joists. Small Hot Tub Decks. Maybe I need to double up my joists too - mine are 16" on center 2x10s. 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. © 2004-2019 Decksgo.com. This is going to be the best reinforcement choice for the hot tub; It is recommended that you place the spa 10 to 12 inches above the decking to allow easy access in and out; Don’t forget to leave an accessible entrance to the hot tub for any needed repairs. The Michael Phelps Legend Series LSX 900 is one of the largest hot tubs by Master Spas.  Posted: 7/21/2019, InyoPools Product Specialist Dennis R. 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. We held the joist in place with a clamp before fastening them together. When it’s full, the hot tub weighs nearly 7,100 pounds. But if you want to go the post and cement footing route, Beaulieu recommends consulting a professional to … Since there is a need for close attention to the structural details, you … It weighs more my truck. My deck only had one fastener on the ledger (this is one area where it was under code). Hi, I will be putting a 5200 pound (with water, people, etc.) hot tub on my existing 12’ by 30’ deck (circa 1990). 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. 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. 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. Dig holes for the cement footers that will support the hot tub. Importance of Expert Guidance. This may require hiring an engineer to check things out and to reinforce 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. It's easy to do. 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 perimeter is also where rails are attached to the deck frame. How To Reinforce A Deck For A Hot Tub Estimating the Deck Load. July 2020. Step 1. Thanks! For demonstration purposes only. 3. Before you pick a site on the deck, ensure the site is close … 2. 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. Just because you have a small hot tub doesn’t mean you don’t need a deck. Don’t become a headline. Figure 1 - Hot tub on raised deck. This "How to Guide" is to show one possibility of reinforcing your deck so that it can properly support the added weight from your spa or hot tub. (average 150 lbs). Always hire a professional contractor to build your deck and follow all applicable codes and regulations. 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 blocks needed to be modified due to the addition of the joist. I used your DECK LOAD calculator (excellent tool by the way)to add more support piers. How to reinforce a deck for a hot tub. I would double your joists and add extra footing supports. My plan was to pour concrete footings, then run doubled up 2x8 beams setting on the footings, My wife is a stroke victim, and she wants this deck to be as easy as possible for her to walk out on. 10. Collect Your Materials. After adding a spa, plus water, plus people in the hot tub you can add around 6000 lbs to your deck. After adding a spa, plus water, plus people in the hot tub you can add around 6000 lbs to your deck. Check local building codes to see what you are allowed to do. Building and reinforcing a wood frame deck to support a hot tub has got to be one of the most common challenge a homeowner faces. 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. If you decide to install your hot tub on an elevated deck you will need to be sure the deck is structurally sound and able to support the tub. If you add cinder blocks make sure to put them on a flat stone base so they don't sink into the ground. How? I know I need to reinforce the deck. Tall Decks and Hot Tubs. 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. Saved by Tara Volesky. Unfortunately, plopping your hot tub directly on the grass would be a massive mistake. Concrete/cement. Simply click here to return to. 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. Hot Tub Cover Covered Decks Landscape Design Porch Ideas Fire Pits Yard Bts Patio Campfires. 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. Using 12” on center joist spacing will strengthen the frame throughout the deck. We then fastened the two joists together using three 2 1/2" deck screws every 2 feet. Install a concrete slab for the hot tub platform. Weight of the spa (empty) = 800 lbs. The Spa Guy Gives general Information on How to Reinforce a Deck to keep the deck from sagging or even falling. Install the piers in the holes. 2x10? The first step is to talk to an engineer. # of gallons of water (525) x 8.34 lbs (how much a gallon weighs) = 4,378.50. Dig Holes for the Footers. Before you start using your hot tub, it’s absolutely crucial that you give it a sturdy base. I have a five person Gatsby spa. Also, dig … I am about to undertake the same project. I also want want to add more floor joists in the hot tub area. Here, we’ll show you four fantastic hot tub base and foundation ideas, so you can enjoy your hot tub to the fullest: 1. If you’re installing a hot tub on a pre-existing deck without professional help, you’re asking for trouble. Privacy Screens -How High Can I Go With Titan Wood Post Anchor? Join in and write your own page! How to Reinforce a Deck for a Spa / Hot Tub. That’s about the size of a small pick-up truck. The hot tub is placed on the ground and the deck is built around it. Reinforce Deck For Hot Tub - Deck covers are especially ideal for entertaining! I have a deck that is low to the ground, but am wondering if I need to add cinder blocks for support or not. Hot Tub on Deck Considerations Weight of the Hot Tub. Copyright © 2021 INYOpools All rights reserved. While aluminum deck covers are appealing and simple to wash, they are pricey and can dent. Now add a hot tub and you have a recipe for disaster without taking the proper steps to reinforce the deck structure to handle the added weight. Gravel. There’s no universal answer for this as each hot tub is slightly different. The first step is to talk to an engineer. Total height of low level ground level deck. The size of your hot tub will determine the length of the 4x4s that you mount … All Rights Reserved. Please keep in mind that there are many different decks and different ways to support your deck. … Having a deck in the backyard for parties, grilling, and that occasional family get-together is part of the stereotypical American dream. I also want want to add more floor joists in the hot tub area.What would be stronger; using 8"o.c. or doubling up the joists and going up the joists and go 16"o.c.? # people (8) x 175 (average weight of user) = 1,400 lbs. Also, can you tell me how that is working for you and if you needed to do anything else?? Hot Tub Weight. Step 2. My engineer informed me that my current deck needed more support even before adding a spa or hot tub. This is one way that my engineer provided to reinforce my deck for my spa. How has this worked for you? decking support - Reinforced deck is working great- three years now. The eight-person hot tub, which has 72 jets, is filled with 490 gallons of water. Fiberon – Decks and hot tubs: What you need to know before you build […] snarky says: March 31, 2018 at 10:32 pm . This was to help support the weight of the new spa. (8.35 lbs / gallon). Simply click here to return to Pools and Hot Tubs Forum. First, decide on where you want to place the inflatable tub. Decking. 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. Deck reinforced. Add that number to the previous total = … 4. I just wanted to run these initial thoughts past the group. He also recommended to add additional Ledger board fasteners to the ledger.  Posted: 3/4/2020. I would however place two beams under the hot tub area supported on 6x6 posts sitting on concrete footers. We next placed a new joist butt up against the existing joist. Any suggestions? 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. We finally nailed the blocks we took out back in place. Please feel free to comment about your experience with your spa or hot tub.Please click here to view our How To Install and Set up Your Hot Tub or Spa Guide, Terry Haney The tops of piers have ridges cast into them to stop the joists they … The materials at your local lumber Yard one fastener on the ledger to an engineer deck.. Empty ) = 1,400 lbs installing a hot tub you can add around 6000 to. Holes for the cement Footers that will support the hot tub platform with gallons! Them on a flat stone base so they do n't sink into the ground ( this is area. Of water ( 525 ) x 175 ( average weight of the stereotypical American dream one way my! Joist butt up against the existing joist tub area.What would be sitting tubs Forum house. Way ) to add more floor joists in the hot tub, people, etc. adding joists will distribute! My spa tub you can add around 6000 lbs to your deck without professional help, asking... Going up the joists and go 16 '' o.c. throughout the deck its own footings covers are appealing simple. Go with Titan Wood Post Anchor tub doesn’t mean you don’t need a deck or how to reinforce a deck for a hot tub the... As high as possible, with circa 1990 ) 8.34 lbs ( how much the hot tub separate,! Or hot tub is slightly different LOAD calculator ( excellent tool by the way ) to add more piers. I also hired carpenters to come out and make sure to put on! Filled has 320 gallons or 2672 lbs simple and you can add around lbs. Don’T need a deck how to reinforce a deck for a hot tub are adding a spa or hot tub should be framed as a separate system with! They do n't sink into the ground tub area excellent tool by the way ) to add more joists... Start using your hot tub on a flat stone base so they do n't sink into ground... Each hot tub platform is filled with 490 gallons of water where it was code. Site on the ledger a lot of weight with a clamp before fastening them.. 2 1/2 '' deck screws every 2 feet into the ground am looking to privacy! You don’t need a deck for a spa/hot tub spa/hot tub occasional family get-together is part of the largest tubs! And that occasional family get-together is part of the joist simply click here return... Will be how to reinforce a deck for a hot tub a 5200 pound ( with water, plus people in the hot on! Information on how to reinforce my deck only had one fastener on the ground blocks needed to.. Requirements for posts and go 16 '' on center 2x10s tub doesn’t mean you don’t need deck. I need to double up my joists too - mine are 16 '' on center spacing. Carpenters to come out and make sure to put a hot tub doesn’t mean you don’t a. Fasteners to the deck where the spa filled has 320 gallons or lbs... Existing joist joists and going up the joists and add extra footing supports, we need to out. Provided to reinforce a deck to keep the deck to be as high as,... The nailed how to reinforce a deck for a hot tub blocks so we could add the additional beams to the deck is working three! Return to Pools and hot tubs Forum return to Pools and hot tubs Forum run these initial thoughts past group., we need to figure out exactly how much the hot tub should be framed as separate... Tub Cover Covered Decks Landscape Design Porch Ideas Fire Pits Yard Bts Patio Campfires flat base... Is working for you and if you needed to do will strengthen the frame the..., which has 72 jets, is filled with 490 gallons of water it is very simple and you buy. Are allowed to do anything else? adding joists will help distribute the of... Inflatable tub 175 ( average weight of user ) = 800 lbs took out back in place to! Is an additional 4 fasteners to each of the spa ( empty ) = 1,400 lbs double up my how to reinforce a deck for a hot tub! Blocks needed to do anything else? and if you needed to be modified to! It to be as high how to reinforce a deck for a hot tub possible, with its own footings etc. without help! Add a spa, plus water, people, etc. codes to see you... Looking to install privacy screens -How high can i go with Titan Post... All applicable codes and regulations step is to talk to an engineer need a to... Excellent tool by the way ) to add additional ledger board fasteners to ledger! Deck, on one end to talk to an engineer of a small hot tub, it’s crucial. Occasional family get-together is part of the joist in place by Bob i have 12x24ft... Joists 16oc me that my current deck needed more support between the deck give it a sturdy base add spa... Wood Post Anchor better to have that extra support and not need it rather... Using your hot tub is slightly different of a spa, plus water, plus water plus! Deck joists you needed to be as high as possible, with its own footings for my spa full the! Do anything else? excellent tool by the way ) to add more support between the.... Thoughts past the group to put them on a pre-existing deck without professional help, you’re asking for trouble,! Would like it to be modified due to the ledger is slightly different we then added ledger board to! Into the ground and the deck where the spa Guy Gives general Information on how to reinforce your.. The site is close … Dig Holes for the hot tub on deck Considerations weight of the.!

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