With the upper

The foam seal is attached to the surface of the door with glue. Next, work is performed on the very top of the door with the upper coating. The upholstery of metal doors can be carried out both by gluing the upper layer of dermatin to the ends of the doors (such work begins with the upper horizontal end, then alternately side ends and at the end of the lower horizontal end), and by fastening with special self -tapping screws that drill the metal.