Mozart acoustic door construction

55 mm thick leaf with three-sided rebate, the construction of which is based on a solid wooden frame, made of 0.6 mm thick galvanised laminated sheet, filled with a sound-absorbing insert based on mineral wool, equipped with an acoustic seal.
Three security bolts on the hinge side of the door
Three-piece hinge Z5
Three-point locking system consisting of a five-bolt main lock and two three-bolt secondary locks
Vertical bolt
Three-bar top lock
Galvanized sheet steel frame, 1.5 mm thick, laminated in the same colour as the leaf, fitted with a gasket
Steel threshold with gasket
Handle STP-OW
Class B approved cylinder and knob in single key system