ARSD 44:75:13:18. Insulation

The facility shall ensure boiler rooms, food preparation centers, and laundries are insulated and ventilated to prevent any floor surface above them from exceeding a temperature of eighty-five degrees Fahrenheit or 29.4 degrees centigrade. All combustible insulation within the building must be covered with a fire-resistive material giving fire protection equivalent to one-half inch or 0.01 meters gypsum board, unless the materials meet International Building Code, 2012 edition, section 2603.4 for use without a thermal barrier as installed.