To level and fasten the MAAX 106380 shower base: first, ensure the installation surface is even and level, using mortar or equivalent if necessary. Do not use shims to level the base, as this will void the MAAX warranty. After positioning the base, test if water drains properly by plugging the drain, filling the base with water, and then unplugging it. If drainage is not complete, make adjustments with mortar. Ensure the surface is level and dry before fastening. Pre-drill the mounting flange with a 3/16" bit at fastening locations and secure the base to the studs using #8 screws. Use wooden shims between studs and the mounting flange if needed to maintain position. Do not install the base over wet mortar.
For more information, see
page 9 of the manual.
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