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Preparation of painting structures

For colouring of surfaces prepare various painting structures - simple and difficult. Simple (for example, minium, ohru, a mummy) receive hashing of one pigment with the binding. For reception difficult kolera (colours) mix some pigments in different quantities. So that to receive beige koler, mix a chalk, cinnabar and umbru. In the pure state the chalk has slightly yellowish shade, therefore to it add a few ultramarine which gives to a chalk a whiteness.

To prepare painting quality structure, it is necessary to observe technology of its preparation strictly. All materials entering into painting structure should be preliminary sifted through a fine sieve or a gauze. It is desirable after preparation structure also to filter.

In a dry kind pigments are better be not to entering in binding as they not always well mix up and the remained small grains can be shaded under a brush, leaving strips on the painted surface. Pigments it is necessary to dissolve with water to liquid smetanoobraznogo conditions, to allow to stand 1-3 sut, mixing several times in day, then to filter through a fine sieve and only after that to enter into prepared structure.

It is necessary to remember and what not all pigments can be mixed with each other. For example, it is impossible to mix:

  • zinc whitewash with cinnabar mercury, baritovoj yellow, zinc yellow and an azure;
  • white lead with litoponnymi, cinnabar mercury, baritovoj yellow, zinc yellow, ultramarinom;
  • litoponnye whitewash with zinc, kronom yellow, greens lead chromic, cobalt violet;
  • titanic whitewash with an azure;
  • crones yellow with cinnabar mercury and baritovoj the yellow;
  • zinc yellow with cobalt dark blue, violet, ultramarinom etc.

Infringement of this condition reduces quality of colouring, and it quickly changes the colour. With all paints it is possible to mix oksid chrome, a mummy, umbru, minium iron, a sienna, a bone zhzhenuju.

Quality of colouring depends also on that, surfaces are how much well prepared. Underestimation of this factor leads to repeated colourings, on what superfluous forces, materials and time are spent.

Limy structures apply to internal and external works on plaster, a brick, concrete, a stone and is more rare on a tree (only in time and economic constructions, at colouring of fences). In them add table salt, alum or drying oil to fix izvest. Drying oil especially raises durability of limy paints.

Apply izvest in the form of the test, but is better izvest-kipelka. Pigments should be only shchelochestojkie. Their quantity, as well as a quantity of water, in resulted structures is specified approximately. All depends on fat content to exhaust and intensity of a pigment.

Structure on the limy test with table salt. On 10 structures: 3 kg of the limy test, 100 g table salt, nearby 400 g a pigment (on colour). Instead of salt it is possible to take 200 g alum.

In 5-6 l of water plant the limy dough, add there the table salt dissolved in 0,5 l of water, and all mix. Then add water to volume of 10 l, i.e. To working density. So receive a white paint - whitewashing. Into it enter pigments and carefully mix.

Structure on to exhaust-kipelke with table salt. On 10 l of structure: 1,5 kg to exhaust-kipelki, 100 g table salt, nearby 400 g a pigment (on colour). Dissolve salt in 0,5 l of water. During clearing to exhaust in it pour in a solution of salt and carefully mix. After clearing a solution filter and add water to working density. For reception of colour structure add a pigment and carefully mix.

Structure on to exhaust-kipelke with drying oil. On 10 l of structure: 1,5 kg to exhaust-kipelki, 50-100 g drying oils, nearby 400 g a pigment (on colour).

At clearing to exhaust-kipelki in it add drying oil, carefully mix, filter, add water to working density, receiving structure of white colour. Colour structure receive by the pigment additive.

Ready ogruntovochnogo structure on 1 m 2 it is required to a surface (approximately): on a tree and plaster - 0,3 l, on a bricklaying - 0,45 l. At a rough surface the first coat expense increases.

The Rough expense of limy structures on a disposable covering of 1 m 2 surfaces on plaster and a tree makes 0,4 l, on a brick - 0,57 l.

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