Sandwich panels are novel building materials that consist of two exterior layers and a lightweight core. They provide good thermal insulation and structural strength. Because of their high energy efficiency and durability these prefabricated panels are perfect for building walls, roofs and cold storage facilities. Sandwich panel Uae which come in a variety of materials such as polyure... https://www.metalnmachine.com/roofing/sandwich-panel-for-roof-and-wall/