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J-Sha II Owner's Manual
Framing and Support
The floor structure beneath the bath must be able to support a total weight of bath, water, and bather.
If the subfloor is level, no other preparation is necessary. You can proceed to install the bath. If the subfloor is
not level, you MUST level the entire surface prior to installing the bath. Use a floor leveling compound. Do not
use mortar, plaster or minimal expansion structural foam to set the bath as this will interfere with bath components
on the bottom of the bath. Both sides of a joint or splice of subfloor should be level to each other.
The rim of the bath is not designed to support weight. If finish material is to overlap or contact the bath, the added
weight must be fully self-supporting.
The protective film liner inside the bath is used to prevent damage to the finish from shoes, tools, etc.
during installation. Before installation, remove liner to inspect for any defects, reapply and do not re-
move until final cleanup.
TYPICAL INSTALLATIONS
FLUSH TO WALL
SEMI-SUNKEN
OPTIONAL TILE FLANGE KIT
TILE
1" X 4" (NOT FOR SUPPORT)
MORTAR OR
ADHESIVE
SUB-FLOOR
FINISHING
MATERIAL
BATH RIM
CEMENT BOARD
STUD
WALL
SILICONE
SEALANT
PLASTER
FILLER
FLANGE
MORTAR
1" X 4"
(NOT FOR SUPPORT)
SEALANT
TILE
MORTAR OR
ADHESIVE
FLASHING
NAIL OR
SCREW
SEALANT
FLASHING
1" X 4" (NOT FOR SUPPORT)
Rough-in Reference
The drain requires a cutout in the floor.
2
36"
(900 mm)
*71-3/4"
(*1822 mm)
457 mm
(18")
9-7/16"
(240 mm)
*
Add1/4” (6 mm) to this dimension when roughing-in for 3 wall niche.
For semi-sunken installations, floor cutout is 69-3/4" x 34" (1772 mm x 864 mm).
13" x 4"
DRAIN/OVERFLOW
CUTOUT
18"
(457 mm)