Floor preperation advice

[Flintstone]

l would use the 20mm boards where its the deepest then slc with rapid 30 the rest and leave till next day to tile

I think you can only go 15mm with rapid level 30.

 

[aussie tiling]

I think you can only go 15mm with rapid level 30.

yes your correct, other alternative is flexi level up to 50mm with that