Hot Tub On Deck Fail
A concrete slab is effective at supporting a hot tub.
Hot tub on deck fail. Because stepping down into a slippery spa is unstable at best a handrail should be installed. A hot tub can be installed on top of a deck flush with a deck s surface or somewhere in between. Most deck failures result from ledger boards pulling away from the building or connections failing. Figure 1 hot tub on raised deck most raised decks are constructed to hold a family maybe a few friends a barbecue and some outdoor furniture.
This must be installed along with the concrete deck footings of your deck. For most a slab four inches thick should suffice unless one decides to get a very large hot tub then something thicker should be poured. As for spaces between the deck and the hot tub you need to factor in among other things soaker safety and lumber longevity. Hot tub deck landscaping ideas.
We leave space on our projects. The gap should be small enough to prevent your toe from entering but large enough for water to drain and the wood to expand and contract. You can still plant trees and brush around the outside of your deck. The other good news is that if your deck is just above ground level you aren t likely to need additional support.
When you open your hot tub cover the first check you want to make is the water cleanliness checking for algae mold and bacteria. Joist capacity is only one part of sizing and detailing a deck. An alternative deck material. The good news is that if your deck is high enough off the ground to get under it s fairly easy to add support beams and posts to take the weight of your hot tub.
We don t recommend dropping the tub so that it s flush with the deck though a couple of clients have opted for this. But the live load is the load from the hot tub plus a uniform square foot loading for the portion of the joists not covered by the tub. This will look ugly and be dangerous for people to walk on barefoot. When you talk about hot tub problems water chemistry maintenance tops the list as the most frequent issue.
Don t be afraid to include plants and greenery in your backyard design plans. This is the most common hot tub problem and arguably the easiest to fix.