Painting the facades of buildings is a very responsible job, since the facade is the face of the building. The quality of the wall surface is affected by many negative factors. This is atmospheric aggressive environmental influences, industrial pollution, ultraviolet radiation, and high humidity (snow, rain), in addition, various biological factors (microorganisms, fungi, mold) influence it. To achieve a long facade service without loss of decorative qualities, it is necessary to produce high-quality painting.
First of all, it is necessary to prepare materials for work. Despite the wide variety of different coatings and technologies, in modern construction the most widely used paints and varnishes. Facade painting and plastering are the most popular surface finishes. With the help of painting, you can solve many problems associated with the state of the surface of the building, in addition, this finish is the most economical.
The main surfaces to be painted are stucco and concrete. These coatings are characterized by the presence of a porous capillary structure. So, moisture easily penetrates through the pores of concrete , as a result, the surface is destroyed faster. Painting the facade will avoid these problems and protect the building from destruction.
Starting work, you should determine the compatibility of the painted surface with the paint, because the material of each facade requires a certain coating. Thus, first you need to determine the type of surface and analyze its condition, and only then pick up the paint.
So, for concrete, an alkali-resistant and weather-resistant paint will be required, a flexible, non-combustible waterproof material is better for a wooden surface, protection against corrosion and humidity is important for metal. If the surface has already been painted, then you need to determine the composition of the old coating, because if the new paint is incompatible with the old surface, you can get an unpredictable result.
At the next stage, painting the facade of the house involves preparing the surface for applying the paintwork. During such work, cleaning is carried out, hardening the impregnation, degreasing, finishing leveling, as well as priming to increase the adhesion of the paint and color alignment.
It must be remembered that only a quality prepared surface will allow you to get a decent result. The durability and appearance of the facade coating is 60 percent dependent on surface preparation, a third on the quality of the paint and 10% on the correctness of the work.
Painting of facades includes work with various paints, which are divided into acrylic, silicate and silicone. Acrylic coatings, which provide reliable protection and durability of painted surfaces, occupy a leading position. Painting the facades using these materials will allow the building surfaces to breathe in the future, since moisture cannot penetrate inside, and will evaporate from the inside.