Below Floor Level Bathtub

Our drawings above show an alcove style with a front skirt.

Below floor level bathtub.

A much smaller cut out in the slab or floor is needed just for the down pipe pictured below. It s off about 3 8 over the total 5 run with the low side being where the drain is going. I m intalling a standard 5 bath tub american standard princeton model and the plywood subfloor is not level. Set the tub flat on the floor and position a level on top of the tub.

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. Coat the subfloor with two coats of floor primer and let the primer dry. The tub is lowered in place tested for level again and adjusted if necessary. In floor bathtubs can make any bathroom a relaxing spa like space.

Use six to eight beams on the longer sides of the tub and two to four beams along the shorter sides of the tub. 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. Leveling with shims means setting the tub in place and checking for level then with a helper sliding hardwood or metal shims under the tub where the base reaches the floor. The in floor design gives tubs a more luxurious and stylish appeal than traditional tubs have.

But most of. All in floor bathtubs feature overflow systems that also can be. This make installation on a slab much easier. The tub should be level in all directions.

Purchase premixed mortar in a quantity that will bring the floor level underneath the tub. The mortar must be thick enough to place the tub into position and then hold it. Such design makes tubes easy to get in and out because there is no need to climb over and out of the standard tub. 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. Floor frames must be designed to carry the load. The load capacity of the floor under the tub is based primarily on the size spacing and span of the floor joists. How to install bathtub on un level floor.

Level the subfloor in the alcove where you intend to install the bathtub and cut the hole for the drain. Once all is well shims are secured in place with silicone caulk first on the bottom of each shim and finally on their top sides. Again it s rechecked for level on all sides.