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-   -   Bathroom floor not flat!!! (http://www.diychatroom.com/f15/bathroom-floor-not-flat-126221/)

DimeBag1976 12-10-2011 10:58 PM

Bathroom floor not flat!!!
 
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So I've completed the bathtub tile surround (Wife was really happy) but I have stalled on tiling the bathroom floor (wife is not very happy). The floor has a considerable crown down the center.

Attachment 42358

The floor is level to the left but it just dives off.

Attachment 42359



Attachment 42360
This carries right to the doorway.

My question is what product would you recommend to level the floor for installing 12X12 ceramic tiles.

I am removing the linoleum and will clean adhesive the best I can. Also the hallway beyond the doorway will eventually be carpet.

Thanks

Bud Cline 12-10-2011 11:19 PM

Self Levelling Compound is the way to fix that problem.

titanoman 12-11-2011 12:06 AM

I can't tell if that's concrete or wood. Wood can be flattened out pretty easily.

DimeBag1976 12-11-2011 12:47 AM

1 Attachment(s)
If I was to use self leveling compound, Bud, would I build a little form along the doorway threshold edge to keep the liquid inside the doorway and level? Is that proper? The subfloor is 1/2" above the regular 3/4" T&G sheathing.

Attachment 42392

DimeBag1976 12-11-2011 12:49 AM

1 Attachment(s)
Here's a better angle.

Attachment 42394

oh'mike 12-11-2011 04:48 AM

You will need a backer board or a membrane--to ensure the best bonding of the tile---

With a concrete backer----set the 1/4" backer into a bed of fresh thin set and nail or screw it down---then add the self leveler---

If you are adding a membrane instead--like the Schluter or Noble membranes--the leveler is applied to the subfloor before the membrane is installed.

md2lgyk 12-11-2011 09:41 AM

Just be aware that self-levelling compound is pretty expensive.

Bud Cline 12-11-2011 12:30 PM

Quote:

Just be aware that self-levelling compound is pretty expensive.
Cost is relative to the alternatives available. In this case I would say the SLC cost would be most cost effective.

Quote:

If I was to use self leveling compound, Bud, would I build a little form along the doorway threshold edge to keep the liquid inside the doorway and level?
http://www.diychatroom.com/blogs/ins...t-one-two-177/

joecaption 12-16-2011 06:59 PM

I'd be taking a look under the house to find out why it dropped that much in that short a distance. If there something wrong it needs to be fix or that tile floors just going to fail.


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