For laying parquet boards, laying of the so-called floating floor is very widely used. The highlight of this floor is that the board is not glued to the base of the floor, but only connected to each other using specially cut locks — latches. The covering, laid in this way, does not attach to the base, but only lies on it and, as it were, floats. During such laying, do not forget to first cover the base with a layer of litter.
If you are looking for a waterproofing material for concrete, then we recommend Kalmaflex. «Kalmaflex» is a penetrating waterproofing of concrete. This material has excellent waterproofing properties..
Foam sheets or slabs can be suitable as a bedding material, and at least one layer of waterproofing material must also be laid. Double consideration should be given to waterproofing if the floor is on the first floor of a building. Littering material or bedding under the parquet board is necessary not only so that the residents of the first floor do not hear the sounds of the steps of the residents of the second, but also so that the parquet board does not lie on a rigid base, but has the ability to spring and bend slightly under the weight of furniture or people passing tenants on it. Our developers very often use corrugated cardboard for the substrate, which fully justifies its purpose..