How to raise the floor

Sometimes during a major overhaulthe need to raise the floor in the house to a certain height. To do this is not so simple in view of the great laboriousness of the process, but if desired, it is quite possible to cope with this problem independently. Raise the floor in the room can be several ways, which have their advantages and disadvantages. About each of them we will tell you in detail now.

How to raise the floor in an apartment

Method one. Cement strainer

The main advantages of this method are strength anddurability of the coating plus a relatively low cost of materials. To its disadvantages in the first place can be attributed to the long term of solidification of cement mortar and great labor intensity of work. In addition, this method is only applicable if you need to increase the floor by no more than five centimeters, since a thicker layer of solution dries very poorly. You can certainly do the screed in two steps, but here there is another threat - a large mass of concrete will create an excessive load on the slabs, which from its weight can be destroyed.

Method two. Self-leveling floors

The main advantages of self-leveling floors are their speeddrying and quick filling. The disadvantage is the high cost of the special mixture and its toxicity. Using such self-leveling mixtures allows you to raise the floor level by only three to four centimeters.

Thus, it becomes clear that the first twoThe method is not suitable in cases where you need to raise the floor to a significant height. If you want to raise the floor level by ten or more centimeters, you need to use one of the following methods.

Way the third. Floor on wooden logs

Advantages of floors on logs - speed of their installationand a small weight of the entire structure, allowing to lay these floors, even in old houses with weak interstorey floors. The main thing is their dignity lies in the fact that the lag gives an opportunity to raise the floor in the house by ten, fifteen and even twenty centimeters. In addition, in the space between the lags it is convenient to place pipes and wires, and this space itself can be filled with glass wool, which will make the floors warmer. The disadvantage of the floors on the logs is that they can not be laid in damp areas, for example in a bathroom or a toilet. Another possible drawback of such sexes is the creaking of boards, which occurs if they are not sufficiently secured.

How to raise the floors with wooden lags

  • In order to make such a thick floorwooden beams cut into pieces of the required length. Then cut the parallel bars parallel to the floor. The pitch between the individual bars is about half a meter.
  • Controlling their position by the building level, the bars with long self-tapping screws are attached to the floor. If there is a gap between the floor and the beam in some place, fill it with a piece of plywood of the required thickness.
  • When all the logs are leveled andfirmly fixed, the space between them densely filled with glass wool and from above stacked in two layers of plywood sheets with a thickness of one and a half to two centimeters, which are screwed to the logs with screws.

Thus, you can increase the floor by ten -fifteen centimeters. If instead of using self-made lags use purchased adjustable lags, it is quite possible to raise the floor level by even a quarter of a meter.

The fourth method. Cement screed based on expanded clay

This method is good because, having alladvantages of a conventional cement screed, it is deprived of its main disadvantage - a large weight. Therefore, using claydite as a base, you can raise the floor by ten, twenty or more centimeters without the threat of overlap. Claydite - a material that is environmentally friendly, lightweight and at the same time durable, with high thermal insulation properties. It is equally well resistant to the action of high and low temperatures, fireproof and, unlike boards, is not prone to rot. Therefore, if you do not know how to raise the floor in the bathroom or on the loggia, we advise you to stop your choice on claydite.

How to raise a floor with a screed on expanded clay

  • To lay this screed with the laser construction level, the height of the future floor is marked on the walls, and beacons are installed on the previously prepared coating, being guided by this marking.
  • Then a thick layer of fine expanded clay is poured onto the whole surface of the floor, and it is leveled in such a way that 2.5 to 3 centimeters are not enough for the height of the floor set by the beacons.
  • Further, the claydite is slightly rammed, once again controlled by its level and poured from above with cement "milk".
  • In a day the cement will seize, and on keramzityou can move around. For greater strength, a metal reinforcing mesh with fine cells is laid on the layer of expanded clay. On top of it, make a conventional cement screed about three centimeters thick, controlling the level of the floor in previously installed beacons.
  • Further work on such a floor can be carried out only after a month. This time will be required for the floor to finally harden and dry.

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