With TONZON Thermosheets you can insulate roofs and walls excellently. TONZON Wall insulation consists of several layers of reflective foil, which are separated by slats. This creates an insulating space of Thermosheets and still air. The combination for good insulation. A similar technique is used for roof insulation. You can order your custom Thermosheets in our shop. The TONZON Wall Insulation technique is suitable for insulating front walls, partition walls, facades and prefabricated walls.