Anti-burglary protection must be taken into account when buying a window, because in most cases criminals break in through the window. Burglars have enough of everything at their disposal, except time. Therefore, every minute that the window can withstand during a burglary attempt is important. It has been proven that the perpetrators give up the burglary after only a few minutes. The police advises that when buying windows, pay attention to a protection class of at least RC2