S H O W E R B A S E
I N S T A L L A T I O N I N S T R U C T I O N S
Important: Read all instructions carefully before beginning installation.
Before Installing: Inspect shower base thoroughly.
A. Damage from shipping or delivery must be reported to carrier immediately. Do not install
damaged shower base. MTI Baths is not responsible for damage occurring during ship-
ping and/or handling.
B. Factory defect must be reported to factory before base is installed. Defects claimed after
installation will be excluded from warranty.
C. Do not store product in temperatures below 32° Fahrenheit.
D. Proper drain installation is the responsibility of the installer. MTI does not warrant leaks
associated with improper drain installation.
INSTALLATION PROCEDURES
1. Check floor surface for level and proper load support.
2. Mark flange of shower base where it aligns with wall studs, making sure shower base is
pefectly level.
3. Pre-drill a minimum of three holes on each side of the shower base flange to align with
selected wall studs. Place enough bedding compound (must use Quickrete #1103 Sand /
topping Mix or equivalent) to fill void between the bottom of the shower base and floor.
Base must be properly bedded or warranty will be void.
4. Work shower base into bedding compound.
5. Ensure shower base is level, both front to back and side to side.
6. Attach shower base to wall studs using the pre-drilled holes in the flange. Start on one front
corner, and work your way around the entire base.
DO NOT ATTEMPT TO DRIVE NAILS THROUGH THE INTEGRAL FLANGE!
Note: On some bases, the walls may appear to have a very slight bend or bow. This will
correct itself as you make your way around the base, securing it to the wall studs.
7. Complete drain installation. Do not use plumber’s putty, as it can yellow acrylic over time
and possibly discolor some finishes. MTI recommends clear silicone, as its flexibility can
also be a benefit in preventing leakage in the future
8. Allow bedding compound to harden overnight before completing wall installation.
