Sandwich panel is a type of composite material used in construction and

Sandwich panel is a type of composite material used in construction, consisting of three main layers: * Two outer layers: usually made of metal sheets, such as steel or aluminum. * An inner layer: which is an insulating material, such as polyurethane or rock wool. Properties of sandwich panels: * Thermal and acoustic insulation: the insulating layer provides excellent insulation, reducing energy consumption. * Lightweight and durability: they are lightweight, making transportation and installation easier, while also offering high strength. * Weather resistance: they withstand various weather conditions, such as humidity, rain, and temperature. * Easy installation: they can be installed quickly and easily, saving time and effort. Applications of sandwich panels: * Roofs and walls: used for roofing and wall cladding in residential, commercial, and industrial buildings. * Cold rooms: used in constructing refrigerated and freezing rooms, providing high thermal insulation. * Warehouses and storage facilities: used in building warehouses and storage units to protect goods from weather elements. * Prefabricated buildings: used in constructing prefabricated houses and buildings. Types of sandwich panels: * Rock wool sandwich panel. * Polyurethane sandwich panel. * Polystyrene sandwich panel. The types of sandwich panels differ based on the insulating materials used, which affects their properties and applications.