1.6cm thickness culture stone flat pattern PU sandwich wall panel for prefab house external wall.

Culture stone flat pattern PU Sandwich wall panel
1. 1.6cm Thickness/ 38.3cm Width/ Customized length
2.Culture stone flat pattern.
3. Surface material: The outer layer is metal layer, which is pressed by galvalume steel sheet.
4. Core material:The hard high density polyurethane foam thermal insulation layer treated by flame retardant treatment.
5. Bottom material:The back of the metal carved board is the aluminum foil protective layer with excellent water-proof performance.
6. Advantage performance: 1)Heat preservation 2)Fire and flame retardant 3)Waterproof and moisture-proof 4)Sound insulation 5)Efficient construction 6)Environmental protection 7)Shock resistance and crack prevention 8)Strong decoration