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Old 08-12-2013, 08:26 AM   #1
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Three questions about acrylic tub flange

I am in the process of installing a new acrylic tub with a flange.
I will use kerdi membrane to waterproof the walls. My drywall comes up to the top of the flange. A few questions:
  1. The 1/8" gap between the drywall and the top of the flange, should this be filled with mud, caulking, or mortar?
    1. My floor and floor supports don't squeak, and I am concerned about squeaking occurring if I just go from drywall to flange with a solid material like mud or mortar, but I am also not sure about mortar or mud bonding well with the caulking.
  2. The tub flange is pretty level with the drywall on the two short sides, probably only off 1/8". Do I just go over the flange with thinset, or should I mud and tape this first?
  3. On the long side, the drywall hangs over the tub flange by about 5/16". Is this overhang too much to fill with either the mud or the thinset? If I had to I could probably get behind the tub and shim it a 1/4". It would be a pain, but if it's worth it in the long run to prevent leaks or something, then I would rather deal with this now.

I'd greatly appreciate if you can answer one or more of these questions!

Last edited by will83; 08-12-2013 at 10:14 AM.
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