The construction of anti-burglary GERDA metal doors is a result of 20 years of professional experience. Doors of Gerda brand stand for durability and fail-safety. Doors are reinforced with steel ribs and bars made of high quality steel which effectively protect against burglary.
In a standard version the metal door is fitted with a main lock and additional GERDA lock which have the highest burglary resistance.
The construction of hinges renders it impossible to disassemble and force the door and enables a precise adjustment which guarantees perfect alignment of the door leaf and frame.