Clean and seal process:
This method is commonly used by cleaning companies.
It consists of stripping the floor to remove any polish/old seal and applying new coats of impregnator or surface seal, that will give to the stone a semi-gloss to a gloss finish.
The process is ideal to archive re-fresh floor, this will not remove any scratches. Strip process is similar to deep cleaning; including grout cleaning and sealing.
-cleaning the floor chemically and mechanically, including grout cleaning
-light polish to the floor
-apply a coat of sealant (water/ solvent based- depend on pre-existing sealant); in this step will pay attention to the grout area in special.