The use of laminate during repair measures regarding the floor surface is currently quite common. There is nothing unusual about it. Such a coating can be laid even on their own. But you will first have to prepare the base for installation.
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The draft floor on which the laminate is laid should not have changes in the level of height. Otherwise you have to align. Check how even the surface is, you can use the board usually. If problems are found, you have to fill the cement screed to align the floor.
If the laminate is planned to be laid on a wooden base, then alignment should also be carried out. But in this case, the absence of height drops on the basis is achieved due to the fact that the boards are screwed with different intensity. In some places, they can be slightly cleaned with a shirt for wood.
Such flooring as a laminate should be laid on the substrate. Then it will last a long time. You can use special materials that are sold in stores, or build the base for the material on your own. Plywood is good in this regard.