There are a lot of Knauf L shape ceiling designs that people use to beautify the interior of their house, especially the interior of their living room. This room is the place where people will firstly judge their house, that’s why some people concern more on their living room than the other rooms. Talking about living room, the designs of the ceiling for living room using knauf is various. This idea is actually one of the reasons people use Knauf as the material of creating a ceiling. Knauf is a German technology that uses gypsum to create property such as ceiling. Knauf is well-known for its sturdiness and the various designs that can be created using this technology. Living Room.