Normally we make this type of stone panels in marble (travertine, limestone).
It is composed of 4mm marble (travertine, limestone) veneer + 3mm plastic polymer back, total 7mm thickness.
1200mm x 2400mm
About 3.70 pounds/SF (18Kg/m2), while 11.30 pounds/SF of 3/4" solid marble (travertine, limestone) slab (55Kg/m2).
It is only 1/3 weight of 3/4" solid marble (travertine,limestone) slab.
Super Thin Stone Panels are an ideal decoration material for high rise building to reduce weight load,they are also frequently used for old building renovation such as hotel,school,hospital,bathroom,Tub Surround etc.
Time and labor cost save: