In floor bathtubs can make any bathroom a relaxing spa like space.
Below floor level bathtub.
All in floor bathtubs feature overflow systems that also can be.
The load capacity of the floor under the tub is based primarily on the size spacing and span of the floor joists.
Cut it to fit inside the hole in the floor if the joists beneath are the right height to support it or if ground level will support the frame at the right level.
But most of.
Level the subfloor in the alcove where you intend to install the bathtub and cut the hole for the drain.
Floor frames must be designed to carry the load.
Step 2 install the mortar using the manufacturer s directions to prevent cracking or damage to the floor beneath it.
Construct a wooden frame for your sunken bathtub.
The tub is lowered in place tested for level again and adjusted if necessary.
Our drawings above show an alcove style with a front skirt.
A much smaller cut out in the slab or floor is needed just for the down pipe pictured below.
I m intalling a standard 5 bath tub american standard princeton model and the plywood subfloor is not level.
When a tub is designed for an above floor drain connection there is space under the tub to run the drain pipes above the floor.
The in floor design gives tubs a more luxurious and stylish appeal than traditional tubs have.
It s off about 3 8 over the total 5 run with the low side being where the drain is going.
Don411 ny hi and thanks again for all the help from you guys.
The tub should be level in all directions.
Use six to eight beams on the longer sides of the tub and two to four beams along the shorter sides of the tub.
Coat the subfloor with two coats of floor primer and let the primer dry.
Purchase premixed mortar in a quantity that will bring the floor level underneath the tub.
Such design makes tubes easy to get in and out because there is no need to climb over and out of the standard tub.
Set the tub flat on the floor and position a level on top of the tub.
The mortar must be thick enough to place the tub into position and then hold it.
Again it s rechecked for level on all sides.
Additional shims are added as necessary to level the tub.
How to install bathtub on un level floor.
If the tub is not level use a floor leveling mortar a form or material suggested by the tub manufacturer to level the floor under the tub.