Expert Answers in cleaning

ANSWER – It is not clear if you are saying whether the mildew reappeared on the cementitious grout or on the sealant.  I will assume you are saying it reappeared on the sealant.

ANSWER – I assume you have a glazed porcelain tile.  The name Tuscan suggest that it is suppose to have a somewhat rustic look.  Sometimes tiles are manufactured in a way to give them a distressed…

ANSWER – I assume when you say homogeneous tiles they are unglazed through-body tiles.   Sounds like the concrete was stained yellow and that pigment from the cement is wearing off and contaminating the surface of the…

ANSWER – It is hard to say from your description what type of tile you have, so it can be determined what may have happened what you can do about it.

A non-glossy tile can be…

ANSWER – Slate is not a stone product that is polished or normally has a sheen due to the nature of the material.  There are enhancer sealers that will highlight the stone to bring out the…

ANSWER – There are special latex cleaners that are sold such as Bostik “Hydroment Remove” cleaner.  Generally speaking a very light acid solution using sulfamic acid or even diluted vinegar with some scrubbing can remove a…

ANSWER – It isn’t uncommon for installers who don’t have a lot of experience with using epoxy grouts to have a problem of leaving a shiny haze, which is due to them not cleaning the tile…

ANSWER – Based on what you said, it sounds like the glaze surface has some porosity.  I have seen some imported glazed tiles absorb and leave wet spots that will later dry out.  I would…

ANSWER – To determine what you should use to remove a grout film or haze from the surface of your newly installed tile you first need to determine what type of grout was used.  If…

ANSWER – Silicone residue is normally removed with a razor blade scrapper. If it still leaves a film residue on the surface of the tile you could try to use xylene, acetone or goof-off with a scrub…