The weakest means of internal insulation is the color of the isolated surfaces. For these purposes, fluates, oils, paraffin, potassium soap and bituminous and bituminous emulsions are used. Coloring is carried out according to the plastered cement mortar surfaces, which should be sufficiently dry. With insufficient dryness, the painted surface can be dried with a soldering lamp. Oil painting is carried out in a hot state 2 times. When painting by paraffin during its cooking, water should be completely broken. For one time coloring smooth surfaces of the plaster, it is enough to spend a paraffin 0.5 kg / mg of paraffin. When painting with a soap solution (75 g \ l of water), it is useful to cover the painted surface with a solution of alum in a day.
Internal insulation is the
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