... 20 years c.Certificate:SGS Specifications interior wooden wall cladding a.aluminum thickness:0.15 to 0.50mm b ... .Guarantee for 20 years c.Certificate:SGS interior wooden wall cladding Product description: Specifications: a. Panel thickness: 3mm, 6mm, ... interior and exterior decoration b. Widely used in ceiling, floor, bathroom, kitchen, cabinet, tunnel, subway, billboards, exhibitions, saloons, car, ...