Design of Mozart acoustic doors
- Leaf with a thickness of 55 mm with three-sided abutment, the construction of which is based on a full wooden frame, made of galvanized laminated sheet with a thickness of 0.6 mm, filled with a sound-absorbing insert based on mineral wool, equipped with a sound-insulating gasket
- Three anti-burglary pins on the hinged side of the door
- Three Z5 three-piece hinges
- Three-point locking consisting of a five-point main lock and two three-point secondary locks
- Vertical bolt
- Three-bar top lock
- Steel frame of galvanized sheet with a thickness of 1.5 mm, laminated in the colour of the leaf, equipped with a sound-proofing gasket
- Steel sill with swelling gasket
- STP-OW Handle
- B-Class approved single-key liner and knob-liner