A sandwich panel is a product used that is used to clad the walls and roofs of buildings. Each panel comprises a core of thermo insulating material, skinned on both sides with sheet metal. Sandwich panels are not structural materials but curtain materials. The structural forces are carried by the steel framework or other carrier frame to which the sandwich panels are attached.The materials mainly vary in their thermal insulating performance, sound insulating performance, reaction to fire and weight. Sandwich roofing is most popular in constructing warehouse buildings, logistic hubs, sports facilities, cold stores and freezers, shopping malls, manufacturing buildings, office buildings etc,.