Expert Answers in Stains

ANSWER – I understand your concern about the discoloration in your granite counter top.

It is not uncommon for natural stone to have veins and areas of different mineral content that causes color differences, which…

ANSWER – Chances are the spider web black stains are due to the shiny surface sealer having micro cracks and dirt has collected within it.  It is possible that the sealer can get warm and flow,…

ANSWER – The more texture you have on a stone finish the more difficult it will be to clean and the more often you need to clean it.  Sealers help because they act as bond-breakers and…

ANSWER – Pencil marks can be difficult to get off some stone surfaces. One thing to try that has worked quite well is to get a clean pencil eraser and try erasing it off. Other…

ANSWER – To remove stains in tile depends on the type of tile and the type of material that caused the stain.

You said that it was a porcelain tile, but porcelain tile should technically…

ANSWER – Your Terra Cotta tiles can be improved with a thorough cleaning and sealing.  It won’t repair the pitting, but pitting just adds to the antique look.  Some stains can be removed and some…

ANSWER – I’m not sure what type of product Mapei Isolatic is. Since it is being added to Kerabond it must be a latex additive.

The ring shape spots of moisture suggest to me that…