You should find the center of the walls and cut the joists to a length that leaves enough overhang to cover the hot tub.
Hot tub on flat roof.
Bolt the flat side of the shorter beams to the ends of the longer beam.
With helpers at each corner lift the tub off the ground high enough to slide the 4x4 boards under the tub.
Decide on an angle for the joists.
Flat top gazebo and hot tub this gazebo has fences to create an isolated and solitary hot tub space.
Right now i have a concrete slab that is 3 1 2 thick.
The bolts should be at least 1 inch 2 5 cm apart.
Make sure that you keep the 45 angles in mind as they will need to be able to sit flat on the top of the walls.
Loading the hot tub onto a truck 1 use furniture dollies to move the tub over flat surfaces.
45 degrees is steeper than it has to be.
Now the roof is ready to accept the hot tub which is being hoisted up by a crane and placed on the roof by the crew from thermo spas.
If you choose 30 degrees be sure you cut the edges of the joist pieces at 60 degrees so the sides are perfectly vertical.
This makes for a great spot where you can escape to shut yourself off from the world even if only by a bit of fencing.
Make 2 triangles that are joined by the 8 ft 2 4 m 7 in 18 cm beam running between them.