How to whitewash the ceiling with lime

Once the most popular type of ceiling painting - whitewashing, is now strongly replaced by other types of ceiling coverings, modern materials and paints. However, the obvious advantages of whitewashing are its cheapness (this is still the cheapest building material), ease of operation and environmental friendliness. Correctly prepared and deposited lime compositions create a durable and non-soiling coating, they can be safely used in permanently wet rooms (cellars, kitchens), as well as when painting facades.

How and how to whitewash the ceiling

Calcareous compositions for whitening are prepared on the basis of hydrated lime, which is not only a binding component, but also a white pigment. To obtain a color whitewash, alkali-resistant colors diluted in water are added to the lime solution. One of the simplest recipes for preparing the lime composition is as follows. To whitewash the ceiling area of 10 square meters. Meters two or three times, you need to take 2 kg of slaked lime, half a hundredgram piece of laundry soap, grated, 90 grams of diluted in water carpentry glue, three liters of water. To the color of the whitewash was snow-white, a little diluted blue water is added to the lime composition. The consistency of the solution should be like saturated milk. How to whitewash the ceiling?

Preparatory work

Before applying whitewash, the ceiling should be prepared. To do this, the old coating is scraped off the surface, large enough cracks are opened, cleaned with a spatula, moistened with water and sealed with a putty made on the basis of lime. Damage in the plaster layer should be sealed with a lime mortar (one part of the calcareous dough, and two pieces of sifted sand and water). After leveling the surface and drying it, proceed to whitewashing.

Ceiling whitewashing

Lime composition is best placed on a damp surface. Therefore, during work, the sections of the ceiling are moistened, and the loan is covered with lime. How correctly to whitewash the ceiling? To do this, use hard wide molar brushes, roller or spray. In the process of work, it is necessary to protect the painted surface from direct sunlight, do not arrange drafts, do not accelerate drying with the help of various heating devices.

How to whitewash the ceiling with a brush or roller? When the first layer is applied with a brush or roller, they are perpendicular to the direction of the light flux from the window, the lime is applied with wide crosswise movements, starts from the window and gradually moves into the interior of the room. After thoroughly drying the first layer, apply a second, already parallel to the light. Lime fluid is liquid, so when working with a brush or roller, it will mercilessly cover everything around and the painter with drops. It is necessary to protect yourself and cover all surfaces with a film.

How to whitewash the ceiling with a spray gun? This method allows the coating to be applied with a thin and very even layer. Before work, the lime composition is filtered through a fine-mesh sieve or gauze. Then fill it with a spray bottle for three quarters. Seal the rubber ring on the can with water so that it fits tightly. The spray gun is kept at a distance of 40-70 centimeters from the surface to be painted to reduce the loss of paint. Smoothly, circularly moving the device, you need to watch for the surface of the ceiling to be painted smoothly, and no streaks formed. The indicator of saturation with the paint will be the transition of the matte structure to a glossy one, which becomes noticeable when applying the paint against the light. If the ceiling is covered with lime using a colored color, you need to achieve its uniform saturation on the surface. If the work is done correctly in this way, less solution is consumed and a thick layer of lime coating is not formed.