January 12, 20215 yr I am looking to tile two thirds of my downstairs. I am looking for some advice on decoupling and which adhesives to use. The screed is cemfloor (cement based flowing screed). I see Ditra mentioned a lot. Is there a massive advantage to it over something like this? Also, are they suitable to cross from one screed section, over the 4inch block and onto next screen section? I would prefer to not have a joint as one will be in the family room open plan area. Next what adhesive both below then on top of the decoupling? (tiles will likely be 600mm porcelain).
January 13, 20215 yr We have Cemfloor screed - we used Tilemaster Setaflex adhesive. We also used Ditra matting and we have 1200 x 1200mm porcelain tiles. We fitted Genesis expansion joints in each door way and also across one section of the floor as it is longer than 8 meters. I cannot comment on the matting that you have linked - we chose Ditra as it has a proven track record. We also used the perfect level master tile leveling system.
January 13, 20215 yr Author Thanks for the reply. Did you prime the floor? And Tilemaster Setaflex below ditra then for tiles too?
January 13, 20215 yr Yes we used a primer on the floor, not sure which now, and yes the Setaflex above and below the Ditra.
January 13, 20215 yr DITRA used upstairs on boarded floors - seems good to me. Not an area you want to make a cockup on really...
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