Wood decks are ideal for summer entertaining or for simply lounging outdoors. Building a deck to hold a pool takes a little extra planning. Of course, pools are very heavy. These days pool decks are a biggest and common trend in decorating outdoor areas. You will have a larger area for company, dinners and events. By my calculations that translates to approximately 192 p/sf without anyone in the pool. This pool would put a deck well over its weight limit. Fence in both outer sides with nice rails, and at the bottom ground level, I would put in patio stones. It is 10'x16', framed with pressure treated wood. 15-ft x 15-ft x 52-in Round Above-Ground Pool. Favourite answer. People can enjoy, swim, take sunbathe and relax in that area when they are free. All standing water will need to be channeled and drained away. Common decks typically have a design load of about 50 pounds per square foot. I … Decks built ground level up to 2 feet off the ground can support up to 100 lbs per square foot; sufficient for most hot tubs. water + 1295 lbs. Of course, pools are very heavy. I am building a deck that will support an above ground pool. The added support posts should be no more than 30″ apart & ideally placed in poured concrete. Some decks can be designed to hold the weight of an inflatable pool filled with water, but that’s not very common. once you get your cleat in you can use the cleat and top rail to support a piece of decking to make a solid ledge. total weight. That makes the pool deck more essential element in designing outdoor swimming pools. Why can I get away with not shoveling my deck? I want to know how much weight my deck can support. As the weight of the tub full of water will have to be calculated in addition to however many people the deck is deemed fit for, it is highly unlikely that the deck can take the extra weight legally, unless it was over-engineered in the first place. Although decks can be designed to … Lastly, you’ll have to ensure that your wooden deck is sturdy enough to hold your pool in place. That would create a load on the deck of 131 pounds per square foot. Wesley Tucker is a lifelong southerner whose politics are objective, whose sports are many and whose avocations range from aviation to anthropology to history and all forms of media. A deck surface must be kept clean and checked for splitting or splintering, to protect bare feet. … 0 0. A 56-sq ft. hot tub with a dry weight of 855 lbs. Due to the design, diagonal decks are generally stronger than horizontal decks and can hold more weight. For comparison, a 7-person hot tub is roughly 7′ x 7′. To account for lateral stresses, X braces should be installed at 12-inch intervals between the joists. 8 years ago. Also, any time your deck is damaged through use, such as dropping a heavy object that splits the wood, allow the wood to dry, sand and seal the damage. Hunker may earn compensation through affiliate links in this story. Although decks can be designed to carry such a load, most aren’t. On May 31st, a deck collapse in Brooklyn, New York plunged three children into the Mill Basin Inlet below when their pool crashed through the planks. The tub is by SofTub, holds 300 gallons of water and they say it weighs about 2700 pounds full but that its weight per square foot is less than 90 pounds/sq.ft. I just discovered that the pool drains on either side of the deck were clogged and the water was running back under the deck and then out, leaving several inches of air space between the deck and the soil. But decks 2 feet or higher will need added support. You can match or complement your house siding, your deck furniture, or make a statement with a bold color. Not to mention, if the deck is large enough you can incorporate a table with chairs to have a place to hang out around the pool too. Really, though, a crack won't change the slab's ability to support the pool. Figuring Out How Much Your Deck Handle. Anonymous. In my pool build photos there are some shots of the framing for my pool deck. This wood is used for building piers and docks in both fresh and salt water. divided by 56-sq ft. = 101 lbs. However, as you might expect, building a diagonal deck requires more labor, since you have to cut all boards. Common decks typically have a design load of about 50 pounds per square foot. The deck is supported by 4x4's set into cement with 2x6 runners supporting the decking above. The pool fits perfectly and their used to be a hot tub in the same spot. for pricing and availability. Make sure your deck structure is sound and very strong. By creating an account you agree to the Hunker, This Old House: How to Build a Simple Deck, Popular Mechanics: Build a Backyard Pool Deck. Finally, water moving around in your pool creates a lot of swaying and stress on a wood deck. The news media regularly highlight at least a handful of incidents where decks gave way under the weight of a swimming pool. Building a deck to hold a pool takes a little extra planning. If you screw a cleat in-between the rail of the pool and the fascia board on the deck you can fill the gap. Bleach is not a great wood cleaner, it can damage the wood fibers I have an idea that might be a compromise. Standing puddles under a deck not only can cause wood rot to the footings but also are places for mosquitoes and other insects to gather and multiply. … Water must drain proper from beneath the deck into the yard or some other open area. tub + 3500 lbs. per square foot. If possible, use marine-treated wood for your deck's construction. Missing connections underneath your deck. That’s just not how it’s calculated. Yes, you can put a hot tub on a deck. Obviously, swimming pools are quite heavy. The answer you give a customer will never be as simple as just telling the customer that their deck can hold 2,000 pounds. Whatever you do, don't just think that it will be OK as the deck seems pretty strong. An average inflatable pool will exceed a typical decks weight limit. The first step is to talk to an engineer. Gone are the days of boring gray cement surrounding the pool. Along with the general strength and condition of your roof, you must ensure that the roof can handle water and hold up a deck without leaking. Be on the safe side put a tarp down for it so wood don't pop a hole in it. Let's add the dead load of 10 psf to our number and we get 111 psf in the area under the tub. for 7 occupants = 5655 lbs. Once your deck starts sinking it can rip the ledger board away from the house or you will have to jack up the sunken area, excavate and pour a new larger footing. Then build ascending stairs to the bottom level. The deck will give you a place to lay your towels and also keep you out of the grass before getting in the pool. Yes, even if you build a strong deck it can gradually sink into the soil if you don’t take into account the size of footings with respect of the load for the deck. Even the best-sealed marine-treated wood can still take in some water and lead to wood rot. [695 lbs + (325 Gallons x 8.34lbs) + (5 x 175)] / 52.56 = 81.44 Pounds Per Square Foot. I moved into a house where the pool deck was cracked and sinking...about and inch now since I moved in. Finally, water moving around in your pool creates a lot of swaying and stress on a wood deck. Especially when people (added weight) are swimming in it.If water constantly splashed on your deck, wood will eventually get water logged and rot. It is cantilevered off the house and 9ft above the ground. This allows the wood beneath the pool to dry completely and to be sealed before using the following season. This of course raises your decking cost. And a lot of water will be splashed, poured and dripped on your wooded deck, potentially weakening it over time. 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. Most raised decks are constructed to hold a family, maybe a few friends, a barbecue and some outdoor furniture. It doesn't have to do with the diameter of the pool, but the height, water will weight 62.4 pounds per square feet per foot of height. A single cubic foot of water weighs over 62 lbs.. Safety codes stipulate that a deck should only hold 40 lbs. I can picture it, and I think this would look very nice. Build & Buy Car Buying Service Finally, flooring for your deck must have even space between the floor planks so the water can adequately drain. Chevron & Herringbone Decking. However, some decks can cost significantly more, depending on size and how elaborate the design. This pool would put a deck well over its weight limit. Would it be alright? Because the strict building codes require that decks have enough strength to withstand snow, even more than roofs can withstand snow. Save thousands off MSRP with upfront dealer pricing information and a transparent car buying experience. Concrete pool decks can be stained any color that you can imagine in this day of custom mix stains. can hold 420 gallons of water and seat 6-7 people (average weight per person = 185 lbs.). 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