When it comes to codes and permits, requirements invariably will depend on where you are located – your jurisdiction (city, county and/or state).
Local governments usually select one of the following as their primary reference for paint booth requirements.
NFPA 33: Standard for Spray Application Using Flammable or Combustible Materials (National Fire Protection Association)
- The most common code applying to paint booths
- Defines how a spray booth is designed and constructed, airflow requirements and fire protection
IFC (International Fire Code)
- Shorter and slightly modified version of NFPA 33
- Commonly used in areas of international trade zones
IBC (International Building Code)
- Similar to IFC code
- Rarely used at this time
OSHA 29 – Occupational Health and Safety Requirements
- Each state has OSHA or NIOSH laws and codes that cover worker safety, many of which reinstate the federal codes
- The chapters about spray booths often follow NFPA 33, but NFPA 33 is usually revised before the federal OSHA code
- The emphasis of this code is on worker safety, so there are more detailed requirements about ventilation
- Every spray booth constructed in the US that is used in a workplace environment must comply with local OSHA codes
- Spray booths are certified by the current NFPA, IFC or IBC code only when they are constructed, but must always comply with OSHA requirements.