Tall Decks and Hot Tubs. As you can see, filled hot tub weights can range anywhere from 1,500 to 4,500 lbs. Click here for the full … Choosing the right decking material is just as important as choosing the right hot tub. Hot Tub On Deck Load. Designing a deck specifically for a hot tub requires a lot of forethought. For instance, if you know the dead load of the deck will be less than the prescriptive 10 lb., then you can select 5 … Backyard Deck Ideas With Hot Tub. Step Deck Trailer Load Levelers. A 7’x7’ hot tub can be somewhere in the range of 1,000 lbs empty. Deck Design Ideas With Hot Tub. Step 1: Calculate the Load. Note 2: We will use a dead load, the weight of the decking material, as 10 psf, a common dead load number for a deck and we will use 40 psf as the live load creating a total load of 50 psf. When I built my hot tub deck I used the following site for information. I am building a 10'X11' deck to support a hot tub. Obviously you can tweak it for your own design, but our free deck blueprint is a good start. With the calculations we just did, your deck might be able to support that. Install decking up to ¼” from hot tub to leave room for expansion, contraction and slight shifting of both the deck and the hot tub. Material is generally supplied in even lengths only, multiples of 2', from 8' to 20'. - Sponsor - Before you give them an answer, be aware that deck loads are a factor of the materials that you use, your local building codes, and the deflection of … Keep this in mind when you’re trying to determine whether your deck will safely hold your new hot tub. Small Deck Ideas With Hot Tub. This site has an incredible amount of information for deck building and to gain full access, it's only $13 (one 2 X 8 X 10) for a year! We add 5% more material for trim loss. 18 posts related to Deck Load Calculator Hot Tub. When entering deck dimensions, please round up to next even length in feet; example 9'2" should be entered as 10'. Deck Load Capacity Now multiply that 40 lbs psf live load by 49 sq ft of deck and you get a total of 1,960 lbs -- that’s what the average deck built to code can theoretically support. This is large range! 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. This top tips for building hot tub decks post is from the experts at Real Cedar.com, check them out to see why you should consider authentic cedar for your deck.. Enter length and width in feet. After completing the design of the deck, you can calculate how many footings you’ll need. The deck will be free standing - not attached to … Many customers nowadays are looking at adding a hot tub to their deck, or an outdoor kitchen space complete with appliances. Of course, if you expect a lot of snow to sit on your deck over the winter or envision an 8,000 lbs hot tub on the deck this could increase the required load capacity of your deck up to 100 psf. Calculator Instructions. The load can be calculated based on the size of your deck, the soil properties, and what the deck … Hot Tub Under Deck Ideas. Hot tubs and other heavy objects will require additional footings and larger deck beams. See all of our free deck plans here. Because the calculator goes beyond the limits of grade, live load, and dead load in the DCA 6 and IRC tables, you can design decks that fall outside the table limits. If you are planning to install a spa or hot-tub on your deck you will have to increase the live load calculation … This is our full set of plans for a deck with a hot tub. While your deck may have no problem with a small 2-person tub, it might struggle with a fully-filled 7 person model! This deck includes plans for built-in benches flanking the hot tub. 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