The door frame is standardly installed in the wall opening using anchors. The door leaf is attached to the fixed frame structure. The cracks are masked by platbands, under which a soundproof seal is mounted. The material for the door boxes is selected under the door leaf. Widespread wood, steel, aluminum, plastic, chipboard.
The optimal thickness of the box corresponds to the thickness of the walls, t. To. This simplifies the installation of platbands. If the walls of the opening are much thicker, then the box is extended by connecting strips. To simplify the fitting, compensation (telescopic, expansion) structures are used. In the kit of such a frame there is a set of planks with grooves, which gets the necessary width. By the way, the Russian directory addresses and phones is now very popular, many people use it daily.
Often door boxes are equipped with platbands of a certain configuration. Frounding platforms are usually performed in accordance with the decoration of the door leaf. A wood box is suitable for a wooden canvas, special bars with prepared recesses are often used. Frame for metal doors is often made from a channel or steel corner.
High aesthetics are characterized by door boxes of steel sheets and from a whole -bent profile. Often the frame is made of a whole metal pipe. A seal is installed along the perimeter of the door frame. A specific feature of a metal frame is considered the initially welded platbands.