High gloss tile floors pose a higher risk of falls.
Can you gloss tiles.
Unglazed tile however can be given the shiny.
Unfortunately if you want to paint over your tile the slick glaze will prove problematic as paint does not stick well to high gloss surfaces and you cannot sand ceramic tile.
Since it is costly to replace the tiles on your countertop you should consider repainting your tiles instead of replacing them.
Many porcelain tiles are coated in a glass glaze fused to the top of the tile that prohibits absorption or fluids or the addition of a gloss.
Start at the farthest corner of the room and spread a thin layer of sealer over the tiles using a lint free cloth or floor mop.
A high gloss ceramic tile maintains its shiny texture indefinitely giving your floor a shiny clean appearance even if you have not had time to sweep and mop.
However on the upside cleaning is easy with a simple wipe.
Gloss tends to draw attention to any staining such as fingerprints footprints soap smears or wet spots.
Pour a high gloss tile sealer into a paint tray.
Tile paint colour options can be limited so if you are want a particular shade prime tiles with a high quality solvent based primer such as the dulux professional white undercoat and use a high gloss or semi gloss paint for your top coats.
To finish your ceramic tiles with gloss paint here is what you should do.
The materials you will be using are normally hazardous with prolonged exposure.