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My home was built in 1929 and I do not know when my "unwarranted" studio unit (1st floor/street level) SHOWER was added on. The entire 3 sides of the shower are cement. I know one of the hot/cold fixture has a small drip and want to have the piping accessed to change out to a single handle shower fixture. The guy I've hired on Craigslist has 25 years experience but has never worked on a "cement" shower. Is it possible to get to the pipes and why would it be built as such? Want to retile once these leak issues are fixed (I tiled it 17 years ago as there was only paint on the cement). My friend who lives in the studio unit did not clean the walls/grout very often which I believe why the tiles started coming off the past year, to include a leak somewhere. Any suggestions as to what I should do is appreciated!

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There is no secret to getting to a cement shower. I just took one out of my master bath and if I didn't have a lot of reasons for doing it then I would have left it. They are great if done right and you can basically retile them infinitely...

So first you should try to get to your valve from the side or back. If that won't work you will have have to cut out a piece of the cement. I would in no way take out the whole shower. Just a cutout where you need to reach the plumbing.

Next you have to get rid of all the tile to figure out what condition concrete is in. Most of the time (95%) it is in great shape. It may need to be slightly patched or smoothed out then waterproofed. This is very easy. Really the only thing that go "bad" with these showers is the floor. Sometimes you will have to make a new base because of extensive water damage - this can be a big project.

But there is nothing wrong with a concrete shower. And the mold, grime, and mildew is probably a case of poor tile install or old tile not being grouted as you have said. If things are in good condition under just retile. If the pan is in good condition then this is a no brainer. Post pictures if you are thinking about demoing the whole thing (might be talking about couple thousand pounds of cement for a big shower).

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Along with what DMoore said, if you have to come at it from the front, then when done, I would try to find some attractive screw on cover to go over the plumbing so that if you ever have to get to this plumbing it won't require cutting concrete. – getterdun Feb 11 '14 at 0:38

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