Tom Smeal

02:58AM | 02/17/04
Member Since: 02/02/04
13 lifetime posts
I'm installing a ceramic tile floor in my second floor bathroom. The existing floor is 40 year old sheet vinyl, smooth and solid and fairly level. My question is how high will my floor rise if I first install thinset over the vinyl, then 1/4" Wonderboard, then thinset, then 5/16" floor tile? Does each layer of thinset add 1/4" of height? I'd like to install 1/2" backerboard because of its stiffness, but I don't want the floor to get too high.


10:43AM | 02/17/04
Member Since: 08/27/03
254 lifetime posts
Almost an inch of height probably.

Tom Smeal

12:02PM | 02/18/04
Member Since: 02/02/04
13 lifetime posts
Thanks Floorcraft.

By the way, I'm going to use cement backerboard for a wall that will only be partially tiled. Am I right to assume I can prime and paint this backerboard too?



03:09PM | 02/18/04
Member Since: 08/27/03
254 lifetime posts
Doubt it, but I don't know for sure. Usually where there is no tile, you want drywall.


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