If you decide to make repairs, and you need to raise the floor higher, then you should know that this method is quite heavy and laborious, but you can make it yourself.
Before you raise the floor level, you should know what floor covering you will use in the future. Knowing this will help you determine which load will be used on the floor surface.
If such a load on the flooring is minimal, then it is best to use the lags that will be made of wood. Using this method of raising the floor, you must buy wooden bars, self -tapping screws, boards or plywood. First you will have to put bars on the floor and level them, according to the construction level. Recently, lease of an excavator of a loader is often used usually this is done by professionals.
As soon as you finish this work, the bars will need to be fixed. During the way the lags will be laid, you must necessarily observe the same distance between them.
After you finish working with the lags, it will be necessary to put boards or plywood on them and fix it. Fastening boards or plywood should be performed using self -tapping screws. Only after that it will be possible to lay the main coating.
If a large load will be on the floor, then the use of the lag is not reasonable, so in this case it is best for you to raise the floor level best with the help of a cement-sand screed.