Foster® 32-19™ Duct-Fas™ Duct Sealant may be pressure tested after 24 hours dry time above 70ºF (21ºC). It quickly forms a strong bond to clean galvanized, aluminum and mild steel metal ducts.

Duct-Fas Duct Sealant is ideal for sealing ASJ, FRK, and FSK jackets and board facings at joints, laps and over staple and weld pin punctures, and for sealing flexible air ducts to rigid connectors. The cartridge grade is ideal for use as a joint sealant with polystyrene insulation.

Duct-Fas Duct Sealant complies with current requirements regarding use in meat and poultry processing areas under federal inspection. Letter of compliance is available upon request.

Duct-Fas Duct Sealant is approved by the U.S. Coast Guard under 164.012.