PUR Sandwich Panel Polyurethane hard foaming material is recognized as the best thermal protecting material in the world and it is characteristic of low heat conductivity coefficient, good load-bearing performance, and high strength against bending, water proof, corrosion proof, insects and rats biting resistant and wide temperature range. Cap Roof Sandwich Panel 930 Model : Cap Roof Sandwich Panel 930 Effective Width(mm) : 930mm Feeding Width(mm) : 1200(TOP), 1000 BOTTOM Steel Thickness(mm): 0.4-0.8 PU Thickness(mm) : 50, 75,80.100 etc. Core Material : PU Product Advantages 1) Screw concealed 2) High wave for good draining 3) Three waves make fastness perfect and keep the balance of draining.