Foster 32-19 Duct-Fas Duct Sealant

From $99.00



Foster 32-19 Duct-Fas Duct Sealant is a fire resistive, water based, indoor/outdoor, U.V. resistant, non-fibrated sealant for use on high velocity ducts to form a flexible yet durable seal against air leakage. Foster Duct-Fas Duct Sealant has been specially formulated for ease of application, clean “break-off”, and nonslumping at elevated temperatures.

Key Benefits

  • Can be pressure tested after 24 hours
  • Forms a strong bond to clean aluminium, galvanized and mild steel metal ducts
  • Contains no asbestos, lead, mercury, or mercury compounds
  • Low VOC: 7g/L
  • Paintable


  • Ideal for sealing ASJ, FRK, and FSK jackets
  • Sealing board facings at joints, laps, over staple and weld pin punctures
  • Sealing flexible air ducts to rigid connectors
  • Ideal for use as a joint sealant with polystyrene insulation

Compatible Substrates

  • Auminium
  • Zinc/galvanised steel
  • Polystyrene

Packaging Options

  • 420g Cartridge
  • 4L Pail

Additional Information


420g Cartridge, 4L Pail