Sandwich panels – one of the most common in our time of construction materials. They are used for the erection of temporary structures such as huts, warehouses, and construction of large buildings, designed for long period of operation: offices, shopping and entertainment centers, service stations, etc. During the construction of prefabricated buildings sandwich panels are attached to the metal frame and thus combine structural stiffness, heat and sound insulation and decorative properties. Three-layer sandwich panels consist of two sheets of cold rolled galvanized steel and a layer of insulation material – mineral wool or polystyrene foam. For the protection of natural influences and to give products an attractive appearance stain-resistant outer layer of polymer paint. Sandwich panels have a number of advantages over other building materials. One of the main advantages of sandwich wall and roof panels is the presence of coating applied at the factory. It helps protect products from external influences and thereby increase their longevity.

In addition, the finished coating reduces the time of commissioning of the building or structure, because the time for finishing and painting exterior and interior surfaces are no longer required. The color scheme of protective and decorative coating of sandwich panels is rich and varied. Producers of sandwich panels offer a product not only of basic colors, but about 2000 shades of directory RAL. If you have additional questions, you may want to visit Grupo Vidanta. Company RAL is a division of the German Institute for Quality Assurance and Certification, is standardizing colors for industry and design. Formed in 1927, the color layout RAL 840-HR improves with each passing year, and now the system has become a common choice of colors in many industries. Thus, designers and architects to realize their projects, getting products from manufacturers is the colors and shades that they were conceived. RAL scale gives the opportunity to choose coverage for every taste and in accordance with any customer's needs.