21.
If all fits are good, proceed with the installation of the back wall. The installation
procedures described in this step apply for installation of one or two piece back walls.
Wipe clean the ledges on top of the pan. Apply a continuous bead of 100% RTV silicone
caulking along the back ledge of the pan where the back wall will sit. The bead should
be placed at the middle of the ledge, and be 3/8” wide. The bead should go completely
around each alignment pin.
There are slots on the underside of the wall. There are alignment pins in the pan that will
insert into the slots on the bottom of the wall. See the detail in Figure 19.
The lower section of the back wall is the panel with a single, molded soap dish. Lift this panel
up and carefully lower it onto the back ledge on the pan.
Push the wall panel down to seat it in the caulking.
Check the fit for level and plumb.
Note to installer:
There is a difference having the bubble between the lines and a plumb
wall. The wall must be VERY plumb or a gap larger than 1/8" will be present where the side
walls mate the back wall. Use wood shims or furring strips to fill any space between the back
wall flange and the studs.
Align the wall section where it meets the shower pan so it is centered on the pan, and install
wood shims or furring strips if necessary.
Pre-drill the mounting flanges. Attach the wall with screws through the back wall flange into
the framing. Be sure the wall panel remain level and plumb. (For the 4836 4 piece, this step
will apply for the entire back wall as one piece).
22. For five piece units, the next step is to place the top section of the back wall. Clean the
back ledge and apply a continuous bead of 100% RTV silicone caulking along the ledge
of the back wall where the top part of the wall will sit. The bead should be 3/8 wide and
placed at the middle of the ledge. It should go completely around each alignment pin.
Lift the top back wall panel and set it on top of the lower wall. Press the panel down to seat
in the caulking. The top and bottom wall panels must be level and plumb. Shim if necessary.
The seam between the panels should be no more than 1/8".
Installation
Instructions
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