Install the Cedar Board Ceiling and the Boards for Plastering Base

*In the subtitle, the dimensions were incorrect. These are the correct dimensions: 00:48 | 30 square mm piece of wood (1 3/16") 02:29 | 4 square cm (1 37/64") 02:33 | 4 square cm (1 37/64") square 10:45 | 40mm square (1 37/64")