Aluminum sandwich panel doors are a type of door made from two thin aluminum panels that are bonded together with a core material such as polyethylene, polystyrene, or mineral wool. The result is a lightweight and durable door that is resistant to corrosion, weathering, and impact. The sandwich panel design provides excellent insulation, making these doors an energy-efficient option. They are commonly used in commercial and industrial applications, such as warehouses, factories, and retail stores, but can also be used in residential settings. Aluminum sandwich panel doors come in various sizes and designs to fit different applications. They can be customized to include features such as windows, ventilation, and different finishes. They are also available in different thicknesses, with thicker panels providing greater insulation and durability. The installation of aluminum sandwich panel doors requires proper framing and support to ensure that they are secure and function properly. They can be installed with or without an automatic opening system, depending on the needs of the user. Overall, aluminum sandwich panel doors are a popular choice for their durability, insulation, and customization options. They are a good choice for commercial and industrial settings where energy efficiency and security are important considerations.