American Standard 3838.LCW Installation Instructions - Page 4
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SPLIT BACK-PANEL INSTRUCTIONS (for Back walls that are 48" to 72" wide)
These back-panels are split horizontally in the center of the grooves to hide the seams. The bottom panel should be installed
first, and the top panel will "slide" over the tongue of the bottom panel to make a seamless appearance.
1.
After corner pieces are set and dried, dry-fit the bottom panel to the back wall, centering the panel between the two
corner pieces. You should have the same gap between the corner piece and the panel on both sides. See Fig. 6.
(Remember to shim the panel up from the shower base or bath tub.) With the bottom half panel in place, trace a line
across the tongue to serve as a guide for alignment and adhesive application.
2.
Apply silicone onto the premarked wall to within 1/2" of the
pencil lines. Apply a 1/4" bead of silicone sealant on the edge
of the backside of the panel. Install the bottom half of the back
panel and secure in place with props and/or braces and/or
hot melt glue. Wipe excess sealant with a damp cloth.
3.
After the bottom half of the panel is set and dried, the top
panel can be installed. Dry fit the top half of the panel and
check for alignment with pre-drawn lines, corner pieces, and
bottom panel half. Apply silicone onto the pre-marked top half
wall to within 1/2" of the pencil lines.
Apply a 1/4" bead of silicone sealant in the groove of the top
panel as shown in Fig. 7 on the following page. Apply a 1/4"
bead of silicone sealant 3/8" from the edge of the sides of the
panel. Install the top half of the back panel and secure in place
with props and/or braces. Wipe excess sealant with a damp
cloth. See Figs. 7 & 8 below.
ALTERNATE BRACING METHOD:
Pull panel away from the wall at the top and apply a dab of hot melt glue to subsurface at each panel corner.
Immediately press entire panel into position. Hold panel in place for 10 to 15 seconds.
TOP
PANEL
BOTTOM
PANEL
7 5 2 7 7 0 - 1 0 0 R e v . B
APPLY
SEALANT
HERE
FIG.7
4
SUGGESTED BRACE
3/4" PLYWOOD
4" x 4"
BACK PANEL
BRACING EXAMPLE
(BRACING NOT SUPPLIED)
SEE ALTERNATE
METHOD ALSO
1/4" PANEL
THICKNESS
FIG.8
A m e r i c a n S t a n d a r d I n c . 2 0 0 4
C
TO TOP
OF PANEL