Black Polished Porcelain with Grout Residue

[Unregistered]

Hi
I have had some black polished porcelain tiles installed floor to ceiling (including floor) in my bathroom. The tiles were from tiles2go 600 x 300. The tiles were sealed with LTP MPG sealer, 2 coats, polished up with a professional polisher and lambs wool bonnet. The tiles were then grouted with BAL Microflex (white) on the walls. The grout has filled the micropores on the tiles leaving tiny specks of grout all over the tiles. I then purchased some LTP Grout stain remover, applied diluted at varying levels, which didn't work. I then tried undiluted scrubbed with white emulsifying pad which has shown an improvement but after 3 scrub downs specks still remain. Following me strangling the missus for picking these tiles any advice would be greatly appreciated. I presume I'll need to re-apply sealer following me scrubbing down with the acidic grout stain remover? Thanks Stu

 

[Deleted member 1779]

White grout on black tiles is notorious if not removed quickly.

We have simialar tiles and there is a grain into the tile. The only way we found to do it was to quickly wash it off after grouting and to scrub and scrub with a brush and sugar soap.

There is a danger that you may have left the grout on for too long and its cured.

Basically the grout is doing what the grout is supposed to be doing and thats gripping the tile like a clam on a rock.

Not great then if you want to get the stubbon stuff off.

Others here will advise you on the stongest chemicals to help you but I do fear that with white on black that you may just have left it a tad too late on the tile before removing.

Good luck!

NB: We dont tile we just sell diamond core drills and cutters to bore holes through very hard porcelain tiles...

 

[heavytrevy]

I would use a diluted solution of white vinegar

Trev