Sandwich Panel: A Versatile Building Material Sandwich panel, also known as composite panels, consist of a low-density core material sandwiched between two thin outer skins or facings. The outer skins can be made of various materials like aluminum, stainless steel, galvanized steel or prefinished steel while the core is usually made of insulating materials like polyurethane foam or mineral wool. The facings protect the core from moisture...
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