Airseal 33 Is A UL 181 A-M & B-M Listed Fiber Reinforced Water
Based Duct Sealant Used To Pressure Seal All Types Of Hvac Duct Systems, Including Metal, Fiberglass Ductboard and Flexduct. • LEED EQ Credit 4.1 •
Fast Dry Time • High Solids Content • Formulated Indoor and Outdoor use • Seals High Pressure HVAC Duct Systems • Exceeds all SMACNA Pressure and
Sealing Classes. • Has excellent mold and mildew resistance. Applications: Apply to clean, dry surfaces, free from oils, dirt, and foreign matter.
Spread at a minimum 20 mils. wet film thickness with a brush, or pump into well fitted joints. Seal all joints, seams, and penetrations in the
ductwork to ensure an airtight system. Dries to touch in one (1) hour. Prior to pressure testing, allow 12 to 24 hours dry time depending on
temperature, humidity and application thickness. Do not apply on outdoor surfaces within 5 hours of possibility of rain or freezing
temperatures.