Spray Room : A power-ventilated fully enclosed room used exclusively for open spraying of flammable or combustible materials. The entire spray room is considered part of the spray area. A spray booth is not a spray room
NFPA 33 Standard for Spray Application Using Flammable or Combustible Materials, 2000 ed. https://law.resource.org/pub/us/cfr/ibr/004/nfpa.3 0.2003.pdf, (Std: Spray Application Using Flam&Comb Mtrl - Amer) {197 NFC}
NFPA 1 Fire Code, National Fire Protection Association (NFPA), MA, USA 2009 ed. https://law.resource.org/pub/us/code/ibr/nfpa.1.20 03.pdf, (Code: Nat Fire Protection Association Fr&LfSf Requir - Amer) {171 NFC}