Removing grout residue from sealed limestone tiles

[alexp.1]

My wife has been hassling me to do this for ages.

The honed limestone tiles in our bathroom have quite a lot of grout (cement?) residue on them that can't be removed with the household cleaners we have. I understand the tiles were chemically sealed when laid.

Is there a specialist chemical I could use to aggresively clean the surface of the tiles? I assume I would then need to re-seal the tiles? What's the best application method - Elbow grease or is a pad attached to a grinder ok?

Any advice appreciated. Thanks.

 

[jefoss]

http://www.extensive.co.uk/product.php/69/0/

 

[alexp.1]

Perfect! Thanks

 

[jefoss]

its my pleasure