What are natural stones?

Marble, Granite, Travertine, Onyx, Limestone, Sandstone, Quartzite, and Shellstone are referred to as natural stones because they are quarried from the earth. They differ in composition, colour and texture, even if they are obtained from the same source. At CGM, we hand-pick these natural stones from the finest quarries around the world to attain the highest quality and durability.


Can ceramic tile be used outdoors?

To be used outdoors, we recommend the tile must be unglazed for floor use. Make sure the absorption rate is 0.5% or less.


Where can natural stones be used?

Natural stones can be used for both interior and exterior spaces including countertops, fireplaces, floors, patios and garden landscapes.


What is the difference between glazed and full-body tiles?

Glazed tiles are coated with a liquid glass, which is then baked into the surface of the clay. The glaze provides an unlimited array of colours and designs as well as protects the tile from staining. The unglazed tiles are pretty much the same as the glazed tile, except that their surface is not coated.


How much breakage should I expect with an order?

It is not unusual to have 1% – 2% of the tile broken to some degree. Any amount up to 5% is still considered acceptable. These damaged tiles can be used for the cuts you will need to make.


Does it matter if I use grey or white mortar?

Only when setting stone. Stones are porous and the colour of the mortar will influence the tile. For dark coloured stones grey mortar is good. All others should use white. When installing tile, some installers prefer white mortar when they are going to use a light coloured tile/stone.


What are the benefits of using natural stones?

Natural stones are durable, easy to maintain, have properties of thermal resistance which keep the stone cool, and are available in a wide range of colours that won’t fade.


Why is there such a wide price range for natural stones?

The prices of natural stone are influenced by variable factors such as the availability of the raw material at the quarry and the physical and processing quality. These factors affect the visual appeal of the finished marble slabs. In addition to this, some of our semi-precious stones contain rare minerals and deposits, making them exclusive and resulting in a wide price range.


How are the good quality stones identified from a quarry?

At CGM, we hand-pick only the finest stone blocks and slabs from the best quarries in Italy, Spain, France, Brazil, Greece, Turkey and more countries around the world. We identify the highest quality stones from these quarries using these parameters:

  • Uniform and natural colour and design
  • Fine grain structure
  • Uniform cutting
  • High quality Epoxy, fibering and filing
  • Quality Check


How do I maintain the stone against dust and stains?

A mop or a vacuum cleaner can be used to clean the dust off the surface. In order to clean stains, a pH neutral marble cleaner and a damp mop can be used. The surface must be allowed to dry before use.


What kind of care is required to maintain the finish of the stone?

Home users need to buff the stone with liquid wax polish once in 6 months and polish it with a scrubbing machine once in two years in order to maintain the look and feel of the stone. Commercial users need to buff the stone once a month and polish once a year depending on traffic patterns.

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