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ceramic tile over cork and underlayment

7K views 2 replies 3 participants last post by  Bud Cline 
#1 ·
The condo association is requesting that I install cork for sound proofing and also install a 1/2 wood underlayment over the concrete floor before installing the ceramic tile in the long hallway. I am pretty handy and can do this work. However, I don't understand why the wood underlayment, but that is the rules here. So what is the process of installing this, thin set, cork , thin-set, wood underlayment. but how would the underlayment be attached to the concrete floor, use a tongue and grove underlayment. Do I run screws into the concrete to secure before installing the tile. Has anyone come across this and had it installed. Please any information will be greatly appreciated.
 
#2 ·
Good grief--that method they want breaks a lot of tile setting rules---

First---is your tile on ground level--below grade or on an upper floor?

Concrete wicks moisture out of the earth---and will often rot or warp plywood that is placed on top of it.
 
#3 ·
The condo association is requesting that I install cork for sound proofing and also install a 1/2 wood underlayment over the concrete floor before installing the ceramic tile in the long hallway. I am pretty handy and can do this work. However, I don't understand why the wood underlayment, but that is the rules here. So what is the process of installing this, thin set, cork , thin-set, wood underlayment. but how would the underlayment be attached to the concrete floor, use a tongue and grove underlayment. Do I run screws into the concrete to secure before installing the tile. Has anyone come across this and had it installed. Please any information will be greatly appreciated.
Typical condo requirement.

Use cork panels (6mm-9mm) not rolled cork. Install with urethane adhesive to keep elevations low and provide a little moisture resistance. Then install the tile with modified thinset.

Forget about all of that other nonsense, you are on the wrong path there.

Alternatives are Noble's CIS Membrane and Schluter DITRA Mat.
 
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