Adding to an already presloped bed [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile


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02-28-2007, 07:08 AM
So I'm building a home and decided that I want to attempt to do my own tiling. I need some advice concerning the masterbath shower. It is currently a big irregular shaped shower with a framed seat on one end. I already presloped the floor and finished laying down and gluing up most of the liner. After looking at the issues with waterproofing the seat and the general complexity of doing the seat I have decided I may want to cut out part of the liner and remove the framed seat. I thought about then putting in one of the Better Bench corner seats. The question is after I remove the seat can I go ahead and preslope the area that is under the seat to match up with the old presloped floor? Will the mud stick to the old mud and be just as strong?

If I decided to go with a Kerdi system can I use the drain that was already put in by the plumber or do I have to buy the special Kerdi drain? If this is the case it is probably enough to convince me to not do Kerdi because I don't want to deal with getting the plumber in to replace the drain.


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02-28-2007, 07:28 AM
The answer to your second question is an easy one. For a Kerdi Shower, you must use a Kerdi Drain.

03-01-2007, 06:00 AM

03-01-2007, 07:32 AM

Some pictures of the current state of affairs would be mighty helpful. No, you can't go Kerdi without replacing the drain, and whether or not you go Kerdi, ripping out the seat and floating the floor to match is a bad bad idea. Joining new to old mud can be done in some cases, but I would never think about doing it in a shower floor. Besides, you need lath under the entire floor to hold everything together. Also, doing a cut and paste job on a liner can be problematic.

My hunch is waterproofing the existing seat is the least painful option. Please tell us it's not treated lumber?

There's a fella with a cool top hat that goes by name "cx" on the board that could really help you out if you reply with a picture. Call the thread "Tony's shower project" and he'll probably find you :tup2: