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House located in Lithia Springs GA. In the mid 1940’s Problem: Ceramic tile installation over older wood floor. An continuous floor encompassing Kitchen and dining area . . Floor now tongue and grove 1×3 with worn out linoleum. Type of wood flooring is a question. Floor not rotted nor has it termite damage; Joists on 24″. May well not have a sub floor, I can inspect the underside but not the top. At this point it’s hard to tell what is under the carpet and linoleum. I need to know what procidure will be needed to do this work.
I have run my share of ceramic ( baldosos ) tile in the South west , but always on concrete, never on a frame floor.
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While there are many latex type flexgrouts the question that you must answer first is as to the rigidity of the wood floor.
If the spacing of 24 inches between the joist allows you to flex the existing floor with your body weight then you may have to look at re-enforcing the wood floor first.
This can be done with a variety of gypsum concrete products or by adding another layer of 3/4 inch plywood over the existing wood.
After you have done this you simply install the ceramic as you did before using a polymar type grout to allow for flex and use a good quality thick tile of 12" by 12".
Good luck
Gabe Martel
*Be sure to secure the existing wood too. You must NOT have any movement in the subflooring if you want to prevent cracks. If you don't have a subfloor (I don't) I suggest at least another layer of wood screwed and glued, plus a layer of cement board. Be sure to plan for threshold strips as appropriate. I faced a very similar problem in my house and boy did I screw up. Now I have an entire row of ceramic tiles that have cracks in them. I'm not having problems with the grout though.Good luck
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House located in Lithia Springs GA. In the mid 1940's Problem: Ceramic tile installation over older wood floor. An continuous floor encompassing Kitchen and dining area . . Floor now tongue and grove 1x3 with worn out linoleum. Type of wood flooring is a question. Floor not rotted nor has it termite damage; Joists on 24". May well not have a sub floor, I can inspect the underside but not the top. At this point it's hard to tell what is under the carpet and linoleum. I need to know what procidure will be needed to do this work.
I have run my share of ceramic ( baldosos ) tile in the South west , but always on concrete, never on a frame floor.