Tiling on floor tiles

[Signature]

Hi chaps can someone tell me if its necessary to seal granite floor tiles with a primer such as apd
they are stuck down well onto a solid concrete subfloor and a will be using porcelain large fformat can anyone advise

thanks

 

[prceramics]

why are you not taking up the granite ?

 

[White Room]

Hi and welcome....give me the granite anyday.