Knauf shape ceiling designs can be painted with various colors. It can be white, blue, or even in several different colors like sky ceiling theme or wood ceiling theme. It depends on the theme of the house or room. The study and also easy to design material of Knauf is the reason on why people use it a lot for their ceiling to beautify their house. 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.