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-   -   Tiling over concrete joints on patio (http://www.diychatroom.com/f105/tiling-over-concrete-joints-patio-154852/)

roncarvalho 08-25-2012 07:45 PM

Tiling over concrete joints on patio
 
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Hi,

I am a homeowner considering having porcelain tile installed over a 600sqft concrete slab on my patio (around 30 yrs old or so).

My main concern is that the slab is divided into 4 sections by bricks, which create big joint lines (please see the pics for more detail). Although there are no apparent cracks (except for a thin one), I am afraid to tile on top of it all to find out a year or so later that there is floor movement and ruin my tiles.

I have been told that it was not a problem at all, that it is a big concern, I have heard about "Schluter®-DITRA", I have been told about "adding a membrane on top of the joints", so at this point I am confused as to which way to go (or not go).

I am considering having the concrete stamped instead (I had it done in my driveway 3 years ago and it still looks good) but I would rather go with the tiles if safe.

Thank you for any gidance you can share. :yes:

Best,
Ron

Canarywood1 08-26-2012 08:46 PM

Quote:

Originally Posted by roncarvalho (Post 996388)
Hi,

I am a homeowner considering having porcelain tile installed over a 600sqft concrete slab on my patio (around 30 yrs old or so).

My main concern is that the slab is divided into 4 sections by bricks, which create big joint lines (please see the pics for more detail). Although there are no apparent cracks (except for a thin one), I am afraid to tile on top of it all to find out a year or so later that there is floor movement and ruin my tiles.

I have been told that it was not a problem at all, that it is a big concern, I have heard about "Schluter®-DITRA", I have been told about "adding a membrane on top of the joints", so at this point I am confused as to which way to go (or not go).

I am considering having the concrete stamped instead (I had it done in my driveway 3 years ago and it still looks good) but I would rather go with the tiles if safe.

Thank you for any gidance you can share. :yes:

Best,
Ron





I'd say it's a gamble going either way but hey,it's your call.

roncarvalho 08-26-2012 10:03 PM

I'm not really a gambler type of guy, so I will likely go the stamped concrete route with stencil...

jomama45 08-27-2012 09:03 PM

Do you really think that patio's that old? I'd guess less than 10 years from the small picture, but I'm sure there's a good reason you want to cover it. Personally, I think you need a decoupling membrane at a very minimum, as I see no way those joints aren't going to telegraph throw in a short amount of time.............


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