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Ceramic Tile in Basement Bath

I am just starting to plan a basement bathroom. The plumbing for the drains (shower, sink, toilet) was already installed when the house was built. The basement floor has already had two coats of epoxy and a coat of polyurethane on it. I plan on building up the floor and shower area with a mortar bed (with screed) to level things out and to raise the floor for a good fit of the toilet to the flange. My question is: Should I remove the epoxy/urethane coating before applying the mortar bed and if so, how do I remove it?

Re: Ceramic Tile in Basement Bath

If it is a concrete floor, probably the easiest thing to do is to rough up the floor with a grinder, then nail wire mesh down onto the floor and then install the mortar bed (1 1/2 inch minimum).

Cyril Prendergast, Your Construction Group
Kitchen, Bath and Home Remodeler
Serving the Hudson Valley, New York


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