SUBFLOOR FOR CERAMIC TILE FLOOR

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  #1  
Old 08-21-00, 01:48 PM
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I WANT TO INSTALL CERAMIC TILE IN MY KITCHEN, CAN I INSTALL A SUBFLOOR OF 1/2" PLYWOOD AND LAY THE TILE OVER IT.
 
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Old 08-21-00, 03:11 PM
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What's under the proposed 1/2" subfloor?
 
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Old 08-21-00, 06:45 PM
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I would use 1/2" cement board. Its designed as a underlayment for tile. Having a rigid subfloor is the key to a good tile job. Deflection should be almost nonexistent and the recommendations for the thickness of the total subfloor is 1 1/4". Follow the mfgs. recommendations in putting down cement board.
 
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Old 08-22-00, 04:25 AM
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What is Cement board? I am in UK. Is this a rigid plywood or mdf type thing - or is it actually cement. (These things often have a different name over here - so its better to be sure). Thanks
 
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Old 08-22-00, 08:22 AM
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Cement board is actually cement. Common brand names (in the U.S. anyway) are Durock, Wonderboard, and Hardibacker (I'm not sure whether Hardibacker is actually cement). It's usually sold in 1/2" and 1/4" thicknesses, and in 3'x5' or 4'x8' sheets. Cement board has a rough side (for mortar) and a smooth side (for mastic). On floors, it is usually set in mortar and screwed down. On walls, it is usually screwed to the studs, often with w vapor barrier underneath (use the 1/2" on walls in place of drywall).
 
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