Technical advices How the EPS panel is composed? How the metal-faced sandwich panel is composed? How the panels behave against wind and rain? How the PUR panel is composed? Is it possible to have a sandwich panel with a plain surface? Is it possible to install the sandwich panels without using the dedicated accessories? What does fire reaction mean? What is a difference between PUR and EPS panels? What is a main application for sandwich panels in metal facings? What kind of material a sandwich panel is? Which parameters are important when choosing a sandwich panels?