The thickness of the marble of the windows
With natural marble on the line, such as resplendent (beige color), 90 yuan / square, there are cheap Jinan green (black) 70 yuan / square.
Natural marble 18mm to 25mm, artificial stone 11mm to 24mm,
Natural marble is relatively hard, cheap, it is.
Artificial stone color more, do the effect of good-looking, but expensive,
Depending on your situation
Usually with natural marble
After all, windowsill is so outdoors, if the use of artificial marble, then, in the case of wind and rain in the case of easy aging
As for the thickness of the key to see you use the +F147+E147
