If used expensive glass and complex bindings – the cost of glazed linen can be many times the cost of deaf door leaf is only half the doors, and often less. What are flexinvest, sills, transoms. More a mistake that is often done by people who are interested in purchasing the door – this is what they mean by the door the door leaf. It is not. Door assembly is:
Actually the door leaf, but design it without a doorframe can not be assessed. The door frame, which carries the blade Clypeus on the front side, which closes the junction box to the wall. Additional elements (if the box was not manufactured according to individual sizes), to close wall thickness, not a closed box.
Clypeus closing flexinvest butt to the wall. Feigned strap covering the seam on the bivalve canvases. Threshold, if the door or entrance there are high demands on sound insulation or fire. Glass if it is not installed at the factory. The closure device depending on the intended functions or the lock or latch. Loop. End deadbolts, if the door-wing. Emphasis clipped to the floor or wall to the door when you open the wall did not hurt or your own mount when opening more than 180%. Transom glazed, if you want to pass more light is out of the room (usually the corridor) blind transoms, if the door is mounted in an opening, where previously had been set very high door, or if required by the design decision.