Total Thickness: 28mm. Upper Surface: 1.5mm matt gelcoat flat FRP sheet. Core Material: 40kg/m³ XPS foam core. Bottom Surface: 1.5mm matt gelcoat flat FRP sheet. Area Weight: 5.40kg/m². Categories: FRP Composite Panels, XPS Foam Core Sandwich Panels Get a Quote Related products Quick View Quick View Plywood + Vinyl Leather PET Foam Core RV Flooring Quick View Quick View 50mm XPS+PET Foam Core Sandwich Panels Quick View Quick View 65mm Gray+White Surface FRP XPS Sandwich Panels for Camper Quick View Quick View 28mm Aluminum+FRP Skin XPS Sandwich Panels