Complete ceilings in the house.
1) whitewashing
For whitewashing the ceiling, chalk is diluted with water and added to the solution for a shade of blue. Whiten ceilings with special sprayers, and sometimes a brush. However, the ceiling turned white, after a short period of time, it again becomes dirty, so that such a decoration of ceilings in the house is advisable only in cases where another method of covering the ceiling is not available.