Expert Answers in stone

ANSWER - It depends on the application on whether waterproofing under a tile installation is necessary.  If it is in a wet application and in some exterior applications, then it is necessary to waterproof the…

ANSWER - Limestone stone is a calcium carbonate sedimentary natural stone.  It contains various minerals such as ferrous oxide that when subjected to excessive moisture can develop mineral stains. Sometimes this is just minor staining…

ANSWER - Like snow flakes there are no two marbles that match exactly.  That is true for any natural stone since it is nature made.  Natural stone inherently varies to some degree depending on the…

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 - 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 - 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…

ANSWER  - W244E can be a ceramic or glass tile or a stone application for an exterior framed wall with cement backer board over it.   If it is a cementitious backer board then they would put…