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Plaster works and plaster repair (a part 3)

After drawing on a surface the ground is immediately smoothed down by the falcon, a semigrater (fig. 24) or a rule. Definitive smoothing down of the plastered surface is carried out easy krugoobraznymi by grater movements (fig. 25). If by this time plaster has had time to dry up too, it should be sprinkled water by means of the big brush. .

a Fig. 24. Alignment of a solution by a semigrater.

a Fig. 24. Alignment of a solution by a semigrater.

a Fig. 25. Zatirka round.

a Fig. 25. Zatirka round.

The Smooth and well plastered surface can be received in the event that to cover fresh plaster so-called. On kryvkoj which prepare from the limy test and the small sifted sand. The solution nakryvki is pounded on the plastered surface by a grater till a thickness of a layer of 2-3 mm. .

Furnish can reach such smoothness of the plastered surface that it is possible to paint it at once. For this purpose the solution for nakryvki is going from old well slaked to exhaust and small sand (diameter of particles to 0,3 mm). Before mixing the limy dough and sand are passed through a small sieve (cells 1X1 mm). A parity of components of a solution from 1:1 to 1:2. .

Before drawing nakryvki the plaster coat is necessary for wiping well a semigrater. Thus plastered surface is moistened with water and becomes covered by a layer nakryvki in the thickness in 2-3 mm. .

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