If the surface has cracks and crevices, they expand slightly, moisturize, and then close up of bedding. The rough places smooth putty. When the plaster or stucco surface is sanded, primed it. Cement and lime staining prepared a primer: 3 kg of fat lime putty, 0.2 kg of soap, 0.1 kg of drying oil. Soap crushed and dissolved in a small amount of boiling water. Then in hot soapy water, stirring constantly, pour the varnish. This mixture is added to the lime paste, stir until smooth and strain.
Add water enough to get 10 liters of. In addition to this primer, cement staining can make another. Vitriol adhesive primer for painting. To prepare 10 liters of primer, take 0.15 kg of copper sulfate, 0.25 kg of soap, 0.2 kg of animal glue, varnish 0.03 kg and 2 kg of finely ground chalk. Copper sulfate is dissolved in 3 liters of boiling water. Separately, boil 2 liters of water and glue another 2 liters of water dissolved pre shredded soap.
Soap solution is mixed with the adhesive. Then, in this composition is poured in a thin stream varnish, stirred and a solution of copper sulfate. When the composition cools down, it was added chalk and water to obtain 10 liters of a primer, and then filtered. To paint with oil paint plastered, plaster or wood surface, it is first rubbed with linseed oil. The latter is used only in pure form, and slightly warmed before use (so it will be better absorbed into the walls). Before painting the surface ground.
1 m2 surface plastered spend no more than 300 g primer 1m2 brick — 450 g primer. Lime dye layer is applied directly to the wet surface. If a dye layer is not enough, only the second layer is applied after drying the first.