Screed over porcelain tiles

Whats the best screed to use over porcelain tiles

 

I always try for the uplift but I have screeded over them many times with ardex/fball

 

Ive used a variety of screeds .... secret is make sure you prime it first with pink primer Forgot the number lol

 

Use a good primer one of the grit ones and a fibre screed over the top would be my way of doing it, obviously checking that tiles are solid and degrease prior, in my opinion it is my time and cost effective to leave down unless specifically asked to remove them

 

Cheers.
19mm drop from tiles to floorboards. Its concrete under the tiles. Need it all one level. I was going to 25mm ply one side then screed upto it. Any better ideas.

 

Agree with Spacey on that one

 

Sound. What would you recommend from there to get it all one level?

 

Pull up, grind off, prime, latex

 

What about the floorboards side?

 

6mm plyboard feathered

 

then just screed upto that level or go over it?

 

If its needed then yes.
....or you can 9mm it with ply if it needs raising that little more sticking with just feathered joints.

I'd plyboard it then flow that whole side with mapei renovation. All depends on your level differences

 

Thanks for all advice.