balcony substrate?

[gecko tiling]

Hi, I have a balcony to tile and the client has asked me what is the best surface to leave on balcony for me to tile, Ditra matting is to be applied, the old surface was asphalt, any ideas, I thought sand screed or concrete,if load OK?

 

[nybor62]

would prob go for sand cement screed

 

[diamondtiling]

What is the balcony made of? Wood, Steel?

 

[The D]

sand cement screed if it is an option

 

[White Room]

Sbr slurry on asphalt before screeding

 

[Spud]

watec 2e matting is ideal for balconies

 

[peckers]

watec 2e matting is ideal for balconies

or watec 3e
Watec® 3E | GUTJAHR Innovative Bausysteme GmbH