The ceilings in rooms with high humidity cannot be whitewashed, for these cases the lime coating or water-dispersion paint is best suited, because this is what will provide reliable protection against the formation of microorganisms.
First you should free the ceiling from the old whitewash. If this is a chalky whitewash, then chalk is completely removed, in the case of a primer, it is cleaned with a skin. After the surface is prepared in this way, it is treated with olifa, or oil paint. Surfaces covered with oil, water -dispersion paints or enamels should be washed with a solution of ammonia or soda with a concentration of 3%, and then rinked with clean water.
Quick-produced structures are best suited in case you decide to move to a new house, you do not have to remove the old coating of the ceilings, but immediately cover the huddled ceiling with a conventional primer or a primer intended for lime whitewashing or water-dispersing paint. At 10 square meters. m. the surfaces will need 40 g of pigment and 1.7 kg of gash. Water should be added until the necessary consistency is obtained. And then – add pigment.
Keep in mind that the amount of pigment should not exceed 10% of the volume of lime grunt. In order to get various shades, you can add aniline dyes designed for fabric. Before the painting process, you should first moisturize the ceiling, put on special protective glasses, skin and hands with protective cream. Start painting from the window, and apply the first layer with movements that will be parallel to the wall on which the window is located, the second will be perpendicular to the previous one.