Hoping to erect a hot tub in your back yard? Construction on your own piece of paradise entails quite a bit of work but can be incredibly rewarding. The most important step is in planning and deciding on a supplier to provide materials and assist with assembly.
- Skill level:
Things you need
- Hot tub building manual
- Thermalite blocks
- Plastic sheet
- Pipes or tubing
- Jets or pumps
Plan your grounded hot tub design. Before buying materials, it is essential to know exactly what you want in terms of size, shape, location, number and type of jets, and where to put the pump, filter and heater.
Choose a supplier for both materials and assistance in your homemade hot tub. One comprehensive source is Almost Heaven (see Resources), which also provides assembly and operation manuals.
Obtain the materials you need for your in ground hot tub. Importing materials can bring costs down.
Choose a location for your hot tub. This decision can be based on the view, ground flatness and proximity to neighbours.
Dig a hole in the ground as deep as your hot tub design dictates. It should be wide enough to fit your tub and a lining of Thermalite blocks. Flatten a sheet of plastic over the bottom, and cover with a thin layer of concrete. Lay more concrete around the tub if you want a walkway to surround it.
Build the walls of your hot tub using Thermalite blocks or bricks and concrete, according to your design.
If you want a canopy or covering to make your tub usable in all weather, construct walls and a roof with timber. Make sure the timber is enclosed by a course of bricks at the bottom to prevent water from reaching the base of the wood.
Situate the tub's plumbing according to your instructions. In line with the position of your jets and skimmer, bore holes in the Thermalite walls of your tub using a core drill. The holes must be wide enough for your piping, which you must then grout into position. Note that the skimmer's position will determine the highest water level of your tub.
Complete the tub's finishing touches and decorations. Screed and tile the tub according to your design.
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