Sandwich panels or sandwich elements consist of thermal insulation as a core layer, which is covered with a protective material on both sides. The prefabricated elements are self-supporting and are attached to a substructure or column . The attachment can be either visible or concealed. Some systems overlap through a rebate so that the screw connection is covered.
Sandwich panels can be used for both wall and roofconstructions.
Roofing made of sandwich panels are large-format roof elements consisting of a metal outer shell (usually metal profiled sheet), an insulating core and a metal inner shell. Sandwich panels are available in different profiles and insulation thicknesses. They are self-supporting and can cover large spans due to their multi-layer structure. They are often used for large hall constructions.
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