2409.2.2 Ventilation.
FC § 2409.2.2
Mechanical ventilation shall be provided in resin application areas in accordance with Chapter 5 of the Mechanical Code. The ventilation rate shall be adequate to maintain the concentration of flammable vapors in the resin application area at or below 25 percent of the lower flammable limit (LFL). Exception: Mechanical ventilation is not required for buildings that are unenclosed for at least 75 percent of the perimeter.











