Porcelain Tiling To Calcium Sulfate Based Screeds (Revised Dec 2011) - TilersForums.com

[Dave]

As mentioned the screed does need its first initial expansion if tiled directly too it. Alternatively you could use Bal flexbone uncoupling system, this a none adhered matting.

https://www.*****************/products/flexbone-2easy/#even2

 

[Luggsey]

Thanks for taking the time to answer my questions Alan, much appreciated.
🇬👍