The cork substrate is more durable than from polyethylene foam, less susceptible to mechanical damage, but it is afraid of moisture, so it is not recommended to be used in rooms with high humidity. A little more expensive, but at the same time it will be better in quality to a polystyrene substrate. With its help, you can create a perfectly flat surface. In addition, she copes much better with the function of thermal insulation and noise absorption. Fiberglass is often used, especially when laying a laminate on a base of wood or concrete. Its main advantages are excellent soundproofing characteristics, it is laid without any intermediate materials, and is not deformed.