Polyurethane Panels

We are manufacturers of any kind of doors. Now, we are needing panels with the next aspects: Roof panel with reinforcements. Width= 1040 mm or similar. Thickness= 60 mm (core thickness no including reinforcements). Lenght= 5515 -0/+3 mm Insulation: Rigid polyurethane foam (PUR), density= 40 Kg/m3 (tolerance +/-5Kg/m3) Top side (reinforcement side, exterior side): Galvanised steel sheet (0.6 mm) with polyester coating, thickness 25 my. Colour= white (RAL 9002 or RAL 9010) Bottom side (flat side,