Expert Answers in

ANSWER – In spite of the name suggesting it is granite, Petit Granit is known as a Belgian Limestone.  Several sources on the internet state not to use it as a countertop and say it…

ANSWER – I assume this is an exterior application of the sandstone in a flagstone irregular shape.  Sandstone is Quartz stone from a geological point of view, but it is a class 1 that is…

ANSWER – Since you have a glazed ceramic tile it should come clean unless it has worn from abrasion.  Glazed ceramic tiles don’t normally fade, but some of the softer glazes might to some degree.

ANSWER – You didn’t indicate if the mosaics are ceramic mosaics or glass mosaics.

Ceramic mosaics are normally produced at over 1200 degrees F.  Normally custom ceramic tiles are dried and then fired in a…

ANSWER – I assume you are saying that you seal your tile with a sealer and that your dog’s urine is causing the sealer to be removed.

Sealers are meant to minimize the chances of…

ANSWER – Generally speaking cracks are either reflective cracking where the underlying substrate has a crack or separation and it telegraphs through the marble or there is structural cracking where the structure has excessive deflection…

ANSWER – From your photo the bottom edge of the wall tile where it is adjacent to the transition joint from the wall to the floor has efflorescence staining.  That suggests water is traveling from…

ANSWER – It is not common to stain natural stone. There are enhancer sealers that applied to enhance the natural color of the stone.

Natural stone is just that.  Every piece of stone is somewhat…

ANSWER – Denatured alcohol is acidic and can act as a solvent to break down sealers or stains that could be on the stone.  They use oxalic acid in polishing stone because it breaks down…

ANSWER – Ludders Limestone is a Texas Limestone.  The absorption rate and propensity to stain does vary depending on the physical properties of the stone.  Per ASTM C568 limestone can be rated as a low…