Waterproof transition b/w existing tub and/or shower pan?? [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile

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kgerard
06-21-2007, 07:40 AM
Waterproof transition b/w existing tub and/or shower pan??

I have an existing tub and a seperate shower w/ a poured-in-place terrazo pan which is in very good condition. Would like to aviod replacement of existing tub and shower pan, what is the best manner to create a water tight transition b/w the top of the tub/pan and the bottom edge of the wall?

kgerard

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John Bridge
06-21-2007, 10:00 AM
Hi K, Welcome aboard. :)

If you are planning on using a waterproof membrane such as Kerdi, you simply stick it to the base or tub with silicone. If you are using a moisture barrier behind backer board, make sure to bring it down over the tub lip. You might want to silicone it to the terrazzo base if it doesn't have a lip. :)