Expanded clay in a compacted form is also used as a base for parquet.
The use of expense clay for filling the foundation allows you to double, reduce the depth of the foundation, since expanded clay prevents the freezing of the soil around the foundation and avoids distorting the structure of the house. In order to avoid freezing of the soil around the foundation, expanded clay is covered around the perimeter to a depth of 250 mm, from the outside of the building.