Between the sheets of the metal is the inner layer (insulation) with a thickness of 5 — 30 cm. The filler of the sandwich panel can serve:
— Mineral wool. It is produced by melting raw materials of basalt rocks. Its advantage is the lack of harmful effects on a person and the environment, excellent heat — and soundproofing qualities, non -combustibility and the fact that it does not absorb moisture. The building built by their panels with such a filler has the highest fire characteristics.
