Generally, the distance between the support points of 30mm thick semi-precious stone slabs should not exceed 60cm, and the span between the slabs should be reduced to the minimum so as to prevent damage and crack. And to the platform faceplate, criterion the distance between fulcrum does not exceed 30 centimeters to allow.
In the case of suspension, the supports must be firm, and if the distance between the supports exceeds the maximum mentioned above, additional supports and fasteners need to be strengthened.
