Spray Booth Airflow CFM & Heated Cure Sizing Solver

Model NFPA 33 / OSHA 1910.107 spray finishing airflow dynamics: crossdraft vs full downdraft face velocity, direct-fired gas air makeup units (AMU), and 140°F bake cycle fuel economics.

⚙️ Booth Geometry & Curing Specs

Heated Bake Cycle & Natural Gas

$

📊 Ventilation CFM & Burner Power

Required Exhaust Fan Flow
18,200 CFM
Face Velocity 50 FPM
Burner Rating 0.92M BTU
Bake Gas Cost $7.95
Airflow Face Velocity 18,200 CFM exhaust airflow at 50 FPM laminar velocity
Direct-Fired Air Makeup Burner 0.92M BTU/hr direct-fired gas burner capacity
45-Minute Cure Cycle Fuel $7.95 gas cost per bake cycle at 140°F