Total Thickness: 50.0mm. Upper Surface: 3.0mm plywood + 1.0mm aluminum sheet. Core Material: 30mm XPS foam + 12mm PET foam. Bottom Surface: 3.0mm FRP sheet. Categories: FRP Composite Panels, PET Foam Core Sandwich Panels, XPS Foam Core Sandwich Panels Get a Quote Related products Quick View Quick View FRP Skin PCV+XPS Foam Sandwich Panels Quick View Quick View High Gloss PET Sandwich Panels for RV Quick View Quick View Plywood Face XPS Foam Core RV Wall Panels Quick View Quick View Quartz Sand Surface XPS Foam Panels