Stucco defects

When ineptly preparing the plaster and doing wrong work with it, quite often various defects occur. One of the most common defects is the so-called dutik. They arise because of the ingress into the solution of various small particles, which after a time are extinguished, forming small hillocks with a white dot in the middle.

Dutiki can not be fixed in any way, so you need to clean the damaged surface and plaster it again. Small or large cracks occur on the plaster because either poorly mixed or very greasy solutions were used for the plaster. Also, cracks may appear due to the high temperature of drying or drafts, under the action of which the plaster dried up prematurely.

If you used otmenolozhenny lime-gypsum solution or lime, also expect cracks. Also, you can not apply a new layer of the solution to the poorly dried previous one.

If you applied the solution to a too dry surface or to a dry layer of previously applied plaster, it may peel off.Also for this reason do not apply a stronger solution over the weak.

Iron plaster. Plaster ironing is performed in order to make it more dense and less moisture-permeable.

Perform ironing with a spatula or cut. For this, it is necessary to wipe the previously leveled layer of cement mortar well. There are two ways to perform ironing - dry and wet. The dry method is most often used for horizontal surfaces. Performed such ironing as follows. Frequent sieves need to fill the frame and pour clean cement there. Cement a very thin layer of sifted on the recently rubbed plaster. The result should be a layer of dry cement with a thickness of 1-3 mm. Then it must be carefully leveled and sealed with a plastering blade or cut.

After a certain time, the consistency of the cement will resemble the dough, as it will absorb moisture from the raw plaster. When it dries, you get a smooth crust. Wet way you can iron any surface. To do this, dry cement should be sifted through a frequent sieve and prepare cement paste from it, which is spread on a little dried plaster.Then the surface should be carefully smoothed with a plaster spatula until a smooth surface is obtained. Compared with dry fermentation, wet plaster is stronger and more durable.

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