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-   -   Floor prep for tile (http://www.diychatroom.com/f5/floor-prep-tile-6845/)

shimp 03-03-2007 11:52 AM

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

Mike Swearingen 03-03-2007 12:12 PM

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

R&D Tile 03-03-2007 07:46 PM

Quote:

Originally Posted by Mike Swearingen (Post 35460)
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??:whistling2:, I doubt that, use any ceramic with a PEI rateing of 4 or 5, 5 being the better one.:thumbup:

shimp 03-04-2007 12:06 PM

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

AtlanticWBConst. 03-04-2007 12:17 PM

Quote:

Originally Posted by shimp (Post 35559)
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

JazMan 03-04-2007 01:56 PM

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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