granite backed with fiberglass (251600000)

The new products are introduced to the States market for interior wall caldding and tub surrounds. Marble and granite panels are processed to be in 80"X30"X3/8". There is synthetic aluminum-plastic board pasted behind the stone panel by epoxy. Strong reinforcement prevent the panel from breaking during transportation and installation.
Please give your suggestion about how the market of this product there. Ultra-lite (thin) stone panel reinforced by.
1) Aluminum Honeycomb (suitable for exterior wall)
2) Fiberglas
3) Aluminum Plastic Panel.
The biggest size we can arrange by far is 1200*2400*8mm (very light, easy to carry, save time to install, save freight, easy to control stone color).