Only the upper

As you know, a parquet board is a multi -layer flooring of natural wood. It is the presence of a layered structure, where the lower layers perform purely technical functions, and in the decorative plan only the upper front layer is used, its relative cheapness is due to excellent operational characteristics. That is why, speaking of the design of the parquet board, they mean the finish of the outer layer made of natural veneer of solid wood of valuable species.