Made in USA
How Humidity Affects Paint Booths
Temperature and humidity move together
Booth heaters, ovens and process heat push temperature up and relative humidity down, and conditions shift through every shift and season.
Coating data sheets specify a temperature and humidity window, and the substrate should stay at least 5°F above the dew point to avoid flash rusting, blushing and adhesion problems.
Too dry: static, dust and dry spray
Low humidity lets static build on parts, guns and operators, pulling dust and overspray onto wet finishes.
Solvents also flash faster in dry air, causing dry spray, orange peel and poor flow-out.
Too humid: slow cure and blush
Excess humidity slows the drying of waterborne coatings and can cause blushing, sagging and poor adhesion.
Humidifiers that wet surfaces make it worse, adding water spots to finishes and slippery booth floors.
Non-Wetting Humidity Control for Paint Booths
Steady conditions, with some cooling
Dry fog evaporates before it lands, so humidity rises without water on parts or floors.
Evaporation also absorbs heat, taking some of the edge off hot booths in dry conditions.
Cleaner finishes
Holding humidity in range reduces static, so less dust and overspray is drawn onto parts.
No puddles or drips means no water spots on finishes and no slip hazards on the booth floor.
Consistent results
When humidity stays inside your coatings’ window coat after coat, flash times, flow and cure become predictable, so first-pass yield goes up and rework goes down.