Once you have measured the air flow you will want to see what the original design specification for your paint booth airflow was.
Spray booth air flow meter.
Booth spray room.
A 14 wide x 9 tall x 26 long spray paint booth will exhaust at least 13 104 cubic feet of air per minute.
All booths can be classified as either open type non pressurized or pressurized.
Paint spray booths can be separated into many different type classifications based on the method in which the air flow through the booth is handled filtered and directed.
Running this spray booth for twenty minutes requires 262 080 cubic feet of available air.
Typical paint booth air flow values can be read about here or just remember typically a cross draft paint booth will have air flow of about 100 feet per minute based on the width and height of the booth a downdraft will have air flow of about 50 feet per minute.
The front flow booth draws air in through filtered front doors and exhausts the air out through the filter banks located at the rear of the booth this traditional style booth has been a favorite among painters for years in providing a clean environment to.