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jackco711 11-13-2006 11:58 AM

Bathroom Shower
I recently purchased a house and had a serious leak from the 2nd floor bathroom shower. It was because of a faulty tile job rather than bad piping (the pipes were recently replaced and look good). I have taken out all of the showers tiles, the plastic base, and the wood subfloor and am down to the pipes and the studs on the walls and floor of the shower. I plan on placing 7/8" plywood on the floor screwing them into the joists, putting 3/4" plywood on top of that to ensure a secure floor, then trowel 1/4" thinset and screw the hardyboard to the plywood. Let sit for 24 hours and then tile on top. Also plan on using just hardyboard for the cieling and walls. My question is what thickness hardyboard to use and should I be installing some sort of rubber membrane- if so how would I go about doing that. If the plywood and hardyboard on the floor are not perfectly flush with the studs for the wall is this a problem? Finally, would you reccomend I do this another way. Please keep in mind this is my first attempt at tiling.

HJ1 11-13-2006 12:10 PM


Your plan wont work.

Check out the details of this link for proper shower floor construction. Then come back here and ask losts of questions.

jackco711 11-13-2006 01:53 PM

Why not?
I read the link. Is that the only way to go about doing this. Im a little intimidated by the thought of laying a mud floor. Would it be easier for me to just use a prefab shower base from home depo?

dougrus 11-13-2006 02:20 PM

You can not do it the way you described. The shower base needs a slope. Your options are: a mud shower as described above, a prefab base, or I like a Kerdi shower

Lots of pros use this system.
There may be other options, I just cant think of any.
Hope that helps.

Bud Cline 11-14-2006 09:22 AM

Proper shower receptors are not the no-brainer that most people think they are and I can also assure you that your proposal will leak immediately-gauranteed.

I would suggest you buy a ready-made shower receptor that doesn't require tile) and build your tile walls up from there.:)

Proper shower receptors can be labor-intensive and aren't for everybody with DIY leanings to take a stab at.

You could hire a pro for this project.

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