Marble slabs can be checked for porosity by dropping 3 to 4 droplets of lemon juice citric acid on top of its surface.
Marble slab second quality.
Obviously the thicker the marble tile the better as marble tiles naturally contain flaws.
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What s interesting about marble grading is that it falls into four different rating categories identified a to d.
I have subcontracted my labor through tile marble for aprox.
Quality of work is very important and always comes first with tile marble quality service inc.
Ahead we ve rounded up expert tips on how to choose the perfect slab of marble so if you re on the market for marble countertops keep reading.
Thassos aaa for example is a higher quality of stone than standard thassos.
If calcite is present in excess amount then lemon juice droplets leave white stains on top of marble surface.
If marble absorbs lemon juice quickly it means marble has high porosity and hence it is not of good quality marble.
The a classification is the highest quality and d is the lowest in terms of that particular marble slab s soundness or how easy it is to work with from a fabricator s or an installer s perspective.
The thickness of tile its calibration offers one indication of its quality.
I have found them to be very conscientious in their business practices.
Ask for the marble s complete name.
If you re concerned about stains stick with.