By taking a quick look at the old buildings and palaces in the architecture of Iran and other countries, you will fully understand the great importance of the roof in them. The use of plastering, painting and installation of various lights and chandeliers all show the importance of the ceiling in interior design. One of the almost new methods used for interior design is the use of light galvanized tiles with plaster coating, which is now called knaf. These tiles were first introduced by a German with the same name.
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Moveable: As the name of this method indicates, the tiles can be easily moved and the space below them can be used to cover electrical cables and installations. In the process of execution of the work, it is first necessary to connect the metal grid structure to the main roof, and then plaster plates are placed on them. It should be noted that professional Kenaf work uses resistant sealants between the tiles to increase their durability and lifespan to a great extent. Fixed Kenaf work: Other methods that knaf women mostly use for residential environments is to fix plaster tiles on the ceiling. In this method, which has a cheaper price, it is not possible to move and change the tiles after installation, and for this reason, there is no need to implement and install a metal grid on the main roof.