how to reinforce a deck for a hot tub

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

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