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melton74959

06:29AM | 03/17/06
Member Since: 10/15/05
1 lifetime posts
Bvflooring
I am replacing my bathroom ceiling from drywall to concrete board. I want to put ceramic tile over the shower.

How do you put the ceramic tile on the ceiling without it falling down before it drys?

Thanks much for any info.

Tileguybob

07:33PM | 03/17/06
Member Since: 07/03/05
283 lifetime posts
I use a good modified white colored thinset. I trowel spread the thinset on the back of the tile so it completely covers the backside. Put the tile up against the ceiling and while setting it in place rock it back and forth about 1/2" a few times so it forms a suction behind the tile. Try one or two and place a big towel on the floor under the tile in case they do let go. If you wait 5 to 10 minutes and nothing falls you have the right amount of thinset under it and the tile will never come down. I have done this with 12" marble tile and 12x20" ceramic on the ceiling.

mrscant

09:45AM | 03/01/07
Member Since: 02/28/07
3 lifetime posts
Thank you Bob for giving a great description of the correct way to install ceramic tile on the ceiling. Do you recommend tiling the ceiling in a shower? We have a small one man shower that we put a fiberglass insert in but the walls became too mouldy so I am wanting to tile the top portion now but my husband said you can't tile the ceiling because of gravity, well, now we know that it can be done, (I knew it all along but I couldn't convince him because after all I'm just a 'girl' what do I know, but hey that's just my stuff...sorry!) my question is should it be done? Thanks again for being out there with the information I needed to help with our home project!

Terry

mrscant

Tileguybob

05:10PM | 03/01/07
Member Since: 07/03/05
283 lifetime posts
Terry,

It can be done for looks or for function. If the ceiling is high it wont need the tile but it may look nice. A low ceiling will get spray and steam vapors rising up to it so tile would be more functional there in protecting the ceiling. Paint would blister over time and you may see signs of mildew. A good ceiling exhaust fan would help a lot also. I'm a tileguy so I look to put tile on anything that doesn't move. My daughter is a tilegirl so tell your hubby to put that in his pipe and smoke it. LOL!

mrscant

09:18PM | 03/06/07
Member Since: 02/28/07
3 lifetime posts
Thanks Bob for the post! Now I have another question...hubby removed the linoleum and now there is the backing from the first layer left over plywood. Should it be sanded down to the plywood before tiling? The glue is not scraping off at all. Can we take a short cut and just tile over this?

YOU ROCK for helping us out like this!

Terry

mrscant

Tileguybob

11:45AM | 03/07/07
Member Since: 07/03/05
283 lifetime posts
If the plywood you are looking at is 1/4" luan it HAS to come out, no way around it. If it is plywood, not OSB, not pressboard and not luan you. may be able to tile over it but the safer method would be to put a 1/4" cement board over it.

As far as cleaning the vinyl try scoring/slashing the vinyl into 2' squares with a utility knife and a handful of good blades. Get down as deep as you can, all the way through is the goal. Then get a wallpaper scraper with a 4" blade and scrape up the vinyl and the paper backing. If some of the glue stays behind thats ok as long as it doesn't interfere with setting the tile flat. Thats another reason to go with the cement board, it will minimize some of the uneveness due to having the thinset under the board before it is installed.

Tiling over plywood can be done as long as certain conditions are met, most of which are more easily addressed when it is new construction.

You should also be aware that the subfloor needs to be stable enough to support ceramic tile. Yinyl and wood have more flex and can handle the bounce in a floor whereas tile will come loose or crack. Can you tell us what the size of your floor joists are (eg - 2x10), their spacing (eg - 16" on center) and the length of the unsupported span (eg - usually from a foundation wall to a lolly column supported cross joist or the opposite wall) and how much and what kinds of plywood are on the floor now?

mrscant

10:21AM | 03/08/07
Member Since: 02/28/07
3 lifetime posts
The bathroom is very small, 4 x 6, and the plywood is 3/4 sanded on one side over 1 1/2 sub floor. He has gotten the vinyl up and has sanded the floor flat. The tile we have chosen is 2 1/4" hex with 1" diamond meshed together into a 12" square. If we put cement board over the plywood we're thinking it will raise the floor too high. We currenly have hardwood floors but will be putting in carpet as the floors are too damaged to repair and refinish so we want the heights to be flush. Wish us luck! We will be trying to get the last of the paper backing up and tiling Saturday. Thank you for all your advice and help during this project!

mrscant

sclarkson

06:41PM | 03/15/07
Member Since: 03/14/07
1 lifetime posts
Can you lay vinyl flooring over concrete? Or over a tile floor?

We are re doing master bathroom ceramic tile set in concrete wondering if we can lay vinyl over it without having to bust up the original floor.

Tileguybob

10:54AM | 03/16/07
Member Since: 07/03/05
283 lifetime posts
Probably not a good idea as the indentations in the grout lines will show through over time. If you flash the grout joints and sand the edges smooth that might work but I dont know what type of material would be used. The vinyl could be laid over the cement slab, but it has to be real smooth, no rough spots or broom finished.

bj58238

05:48PM | 11/05/08
Member Since: 11/04/08
1 lifetime posts
Just wondering, thanks.
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