Tiling over concrete joints on patio
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:
I'd say it's a gamble going either way but hey,it's your call.
I'm not really a gambler type of guy, so I will likely go the stamped concrete route with stencil...
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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