Narvi Protective Wall 650x1150Protective Wall, Black, 650x1150 With the help of protective walls, the sauna heater can be safely placed closer to the sauna walls. This is a great way of saving space and gives you more opportunities to place the sauna heater in the desired spot. By using protective walls, protective distances can decrease by 50 %. The protective walls can be used with sauna heaters and light fireplaces. Features Reduces the safety distance to combustible materials