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Unread 11-14-2005, 11:51 PM   #1
wojnicki
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Bathroom and Shower Questions - Upcoming Renovations...

I will begin my double bathroom renovation over vacation in the next week and have some questions perhaps you kind folks could answer:

Bathroom with tub 5 x 7
1. Removing a cast tub and putting in a whirlpool (60" x 32" wide) drop in - I want to make the surround from 2x4 and put kerdi on it. Should i use drywall or CBU for the base for the tile before I kerdi the front/top edges and tile? That is the backerboard whould that be just drywall or should I upgrade that area due to the potential for spillover, dripping and more water exposure than just walls.

1a. I've never built a surround, I just figure a 2x4 frame is good with doubled corner posts - how much does the surround need to stick out from a whirlpool style drop in - 60 x 32"?? Can I just make it 32" wide?

2. Do i NEED an access door for the motor in the front as this may spoil the look.? Or could I just put away some tiles and hope for the best

3. I demo'd this room and removed much of the greenboard that the tile was installed on (it was 20 years old and well awful) - However the floor is plywood i think 1/2" over 1/2" can't tell the type but there is a section about 8" x 4" which has definitely been water damaged (can pick the first 1/2" down away) - should I cut and replace this section? OR should i remove damaged board and fill the top 1/2" with something?

4. The floor is very unlevel, and had 5" hex tiles on it before, putting 12" square in diag pattern down now - do I / should I level the floor or can I get away with it considering the room is only 5' wide. (should I try ditra??) Mainly the floor is bowed upward in the middle (like a hill) of the room (I am guessing 1" rise over 2.5ft but maybe more.)

5. To level the floor should i want to what is the way to do it the thinnest method without raising it to much??

SHOWER

2nd bathroom is a shower and I have a full 30 x 60 kerdi shower kit from tile-experts. NOW, here are the questions...

1. I have not removed the tile yet but the 12" squares in there aren't even level to each other (looks like an earthquake hit). If the floor isn't level, what is the best way to level? Can i shave the floor - self leveling concrete (can i do this on plywood and how thick). Note this is a condo so I don't have access from below and have to insure that anything I do won't affect other units. Also the ceiling is only 7'6" so I don't want to raise the floor too much.


2. I am thinking of doing 4x4 or 2x2 on the shower floor of limestone tile which I know needs a sealer. Any comments on the size or tile (forums seem to indicate 3x3 MAX for floors - is this true even for a pre-fab kerdi floor?

3. Also thinking of putting in some through wall glass blocks in the shower - anyone ever do this? to give light from another adjacent room since the shower bathroom has no windows.

4. For a border around the room (6" in from edges) where do I start? should I lay in the outside wall or layout the whole floor (it is only 5x7) so that I can get it right. I have a phd in engineering, however this tile thing looks more like art than engineering respect.

any and all help appreciated.

Paul
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Unread 11-15-2005, 05:54 PM   #2
muskymike
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Hi Paul, welcome! Wow! You'll be busy for a while. First thing, the tub deck, you want to frame it out of 2x4 like you said, then use 3/4 plywood on the framing then put ditra instead of kerdi, you can use the kerdi band to waterproof the seams and corners. As far as how big to make the deck depends on your tub. I would make an access panel. Do a search on it you'll see some that John Bridge did. Replace any damaged ply with new. As for the floor, you can use a self leveling compound. Now on to the shower. You will need to access the shower drain in the floor so you can hook it up. You prolly got a dvd with the shower kit. You can shim and plumb the studs before you put the drywall on. You can use slc on the plywood as long as it's done properly. Which is primer, wire mesh and a pour atleast 1/2" then you could use ditra on that. You can put what ever you want on the shower floor, just that smaller tiles conform to the slope better. I don't usually use anything bigger than 4x4. The glass block hole will need to framed and wrapped so the blocks will fit. I would center the border on each wall and see how it will look.
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Unread 11-18-2005, 01:33 PM   #3
wojnicki
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Self Leveling Compound

On the bathroom floor (with the bath) there is a 3/4 " box - can I use self leveling compound that is 1/8" in the middle and 3/4" on the edges or will that
make it crack in the middle cause it is too thin??

Mike thanx for the help anyone else have any comments?
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Unread 11-18-2005, 02:50 PM   #4
MarcusEngley
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Custom's LevelQuik can go from 1" deep to a feather-edge in a single pour, according to their spec. It would crack in the middle (as would anything) if your floor structure/sub-structure isn't stiff enough. What kind of joist size and span are you looking at here? Given how much uneveness it sounds like you had in your old tile, you'll want to inspect the joists and subfloor to make sure they're adequate for what you have in mind....
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Unread 11-19-2005, 10:33 PM   #5
wojnicki
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support

The support is 2 x 10 on 16" centers (i think or 14" maybe) and pretty stiff from that aspect. Where can I get that self-leveling compound? will HD or Lowe's have that or do I need to look elsewhere. Thanks! Tomorrow is rough in day and monday is kerdi day !

Thanks
Paul
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