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Old 03-03-2007, 11:52 AM   #1
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Floor prep for tile


Hi

Wondering what needs to be done in order to lay ceramic or porcelain tile on a floor?

The floor is; 2x10's on 12" center, no vibration
3/4" sheathing on floor joists
3/8" plywood on sheathing
plywood is screwed down with heads countersunk

Thank You
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Old 03-03-2007, 12:12 PM   #2
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Floor prep for tile


I am NOT a pro tile man, but you need a layer of cement board screwed to the flooring to lay tile on. Do not put it directly on wood of any kind.
I would go with ceramic. Porcelain cracks and scratches much more easily.
Mike
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Old 03-03-2007, 07:46 PM   #3
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Floor prep for tile


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Originally Posted by Mike Swearingen View Post
I am NOT a pro tile man, but you need a layer of cement board screwed to the flooring to lay tile on. Do not put it directly on wood of any kind.
I would go with ceramic. Porcelain cracks and scratches much more easily.
Mike
You need either a cementboard or a membrane such as Ditra over the plywood, if using a cementboard, it get's set in unmodified thinset and screwed down, follow the instructions.

As for the tile, Porcelain IS ceramic and the toughest and most durable flooring tile there is, would love to know who told you the info above, Porcelain cracks and scratches more easily??, I doubt that, use any ceramic with a PEI rateing of 4 or 5, 5 being the better one.
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Old 03-04-2007, 12:06 PM   #4
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Floor prep for tile


ok, thanks for help guys..

few more questions->

this is not in a room that will be bath or shower, kinda a den.

what is ditra, and will it be needed if no moisture?

thanks
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Old 03-04-2007, 12:17 PM   #5
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Floor prep for tile


Quote:
Originally Posted by shimp View Post
ok, thanks for help guys..

few more questions->

this is not in a room that will be bath or shower, kinda a den.

what is ditra, and will it be needed if no moisture?

thanks

DITRA - link below:

http://www.schluter.com/english/prod...601-ditra.html
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Old 03-04-2007, 01:56 PM   #6
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Floor prep for tile


Although there are lots of tiles installed over plywood, it is never a good idea. If you want it to last you need a tile backer board or a product such as Ditra. Otherwise something like this could happen to you. http://www.ontariotile.com/cgi-bin/u...c;f=1;t=001341

What you just read happens all the time.

Jaz
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