The finished door leaf is most often offered for installation in singing along with the door box itself, which is made most often, according to the same technology, and exactly from the same materials as the frame of the canvas itself. All technological joints of the opening and boxes are always closed with platbands, which are simply the most important element of the design, and which are made of MDF, wood, can be tinted, painted, covered with veneer of the most valuable wood species.