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Of course, the reliability of the concrete floor has been tested for years. The popularity of this version of the floor is determined by the duration of the service life, high resistance to environmental factors and a relatively low price of the material. But, regardless of this, even such a high -quality coating requires some attention and timely repair. In order for the repair of concrete floors with your own hands to be successful, the properties of the old screed and new concrete should be coordinated.
Content:
Even if you correctly laid the concrete mixture and cut the deformation seams in the surface, over time you still have to encounter a screed repair. Before engaged in restoration work, it is recommended to diagnose damage to the concrete floor and determine the causes of their appearance. This will correctly choose the technology for eliminating various defects in the concrete floor.
All causes of different defects in the concrete floor are combined into several groups:
If damage to the screed is local in nature, then you need to take measures to eliminate defects and strengthen the concrete floor with special compounds. If damage to the screed is ubiquitous in nature, then there is not enough elimination of defects, you need to equip a new floor.
One of the optimal methods for small independent repair is to give a fresh cement solution of rheological and thixotropic properties to a fresh cement solution. In construction stores, all kinds of tixotropic-reward mixtures are offered in a wide assortment for repairing the concrete floor, made on the basis of polyurethane and epoxy resin.
However, for the repair of the concrete floor in the apartment, which is in relatively stable conditions and is weak, you can cook the tixotropic composition with your own hands. To do this, boostilate or PVA glue must be diluted with three and fifthly water and knead a cement-sand mortar in a ratio of 1: 3 on the resulting suspension.
If there is a large amount of work, then it is advisable to immediately purchase PVA putty. But the PVA-Suppies for repairing deep deformation cracks is not suitable, you will have to buy a branded tixotropic primer for concrete and repair composition.
It is impossible to carry out the solution by hand: the finished mass should be as dry as possible, that is, the suspension or water is added in a minimum amount, and it will have to be chopped for such a viscous mixture for a very long time so that it acquires the desired homogeneity. To knead a small volume of repair construction compositions, it is customary to use a perforator or electric drill at low speeds with a nozzle.
The principle of operation of such a nozzle is no different from the functioning of a mixer for cocktails. In stores you can find a rich selection of various mixers, sometimes a fairly bizarre configuration. But you can make a mixer yourself, from an even bar, which has a diameter of 8-10 millimeters and a length of half a meter, the end of which you need to be bent in a ring or simply folded in half.
When kneading, the tool is driven in a bucket in circular movements, transverse zigzag moves are made in the trough. A bucket of water should be at hand, because after a batch, a mixer must be rinsed right there. In addition to the mixer, prepare a wide spatula for the repair of a concrete floor. The rule, on the contrary, should be purchased by factory, it is not worth saving on it.
The main preparatory process before repairing concrete floors is as follows:
If the technology of arranging concrete floors was broken, and with a high mechanical load over time, potholes appear in the screed that must be immediately eliminated to avoid further destruction of the coating:
Repair of all kinds of cracks should also be carried out immediately after you find a defect, so that the gap does not increase, the edges do not crumble, water and garbage do not get inside, and the crack in the concrete floor did not damage the flooring:
During the operation of concrete floors, irregularities may appear, which negatively affect the state of flooring and most often arise in new houses:
Deformation seams, which are in the concrete floor, lose their strength over time, crumble and destroy. Having noticed such violations, it is necessary to immediately repair the concrete screed of the floor:
Concrete floors sometimes begin to dust. Excusion affects people in such a room. In this case, it is not enough just to carry out wet cleaning. Salvation in this situation may be a special coating or painting. For floors in a living room or with a small load, you can make a thin coating with an elaikor, defrainum, neomer.
The concrete floor repair technology in this case is economical and simple. The surface cleaned of dust and garbage is covered with a thin layer of primer, paint or varnish. Modern substances of this type penetrate deep into the surface, prevent the appearance of dust, increase frost and wear resistance, increase the resistance of concrete screed to aggressive substances.
The above methods of repairing the concrete floor are applicable if damage to the screed is insignificant. And if the area of \u200b\u200bthe damaged area exceeds 30% of the total area of \u200b\u200bthe concrete floor, then it is advisable to completely replace the old screed. This option is also chosen when they want to arrange a warm floor or lay it with a finishing, and a moisture test gave an unfavorable result.
The process of overhaul of the concrete floor is not very complicated, but it requires strict observance of some rules:
Thus, the process of repairing a concrete floor with your own hands is not as simple as it seems, and the ordinary perm with a cement mortar will not be able to stop the destruction of concrete, align the floor and block access to evaporation through the concrete floor. In order for the cost of maintaining a concrete screed to be minimal, it is recommended to carry out the process of repairing the concrete floor in case of small defects that reduce the integrity of the entire structure.