I would like to replace my present shower floor, which is a molded
prefab pan made of polymer, and replace it with a tiled floor. My
question is: what goes underneath the tiled floor? Do I need to
install a pan? I went to Home Depot yesterday and the guy there showed
me some sheeting material about 3/16 in. thick or so can be placed below
the tile. Is this the standard approach?
Hire a pro. He will need to install a different drain assembly, a
water-proof membrane to approx 10" up the walls and float a proper
mortar bed. This membrane (which is not 3/16" thick) must have no cuts
or holes in it at the corners and out over the curb. Not a novice job.
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