Plywood and durockk floor


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Old 06-10-07, 06:40 PM
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Plywood and durockk floor

Hi,

I am redoing a bathroom floor with the intention of tiling it once I get the subfloor done. I sistered the old joists as they were pointy on top. A friend who was helping me suggested using 3/8" plywood and then Durock. We put down this size plywood. The floor has a lot of give to it in some places, between the joists. I'm concerned this plywood is too thin. He said we could just put down the Durock and then screw it down. A couple of websites I read about installing Durcok say to put thinset down first and then install put down the Durock and screw it down.

So, my two questions: Will this thickness of plywood be OK and Durock with or without thinset under it?

Thanks.
 
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Old 06-11-07, 06:36 AM
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What is the total thickness of the subfloor? You want at least 1 1/8" subfloor for tile.

And yes, you apply thinset between the Durock and the plywood. This is to prevent "voids" in between the two materials. Thinset and screw.
 
 

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