For the past 25 years, sandwich panel constructions have been the most popular way to erect food safe rooms in Europe, because they offer fast installation, are easy to clean and provide good insulation value. Nevertheless, sandwich panels are very weak and quickly damaged.
In many of these buildings, the kerbs and plinths around the base of the walls used in this building scheme are usually made on site in the manufacturing plant during construction; they are composed of concrete and covered by the floor finishing. This system has some important disadvantages with regard to food safety, impact resistance and maintenance.