Duct Sealers

Fosters Water Based Duct Sealant 330ml

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 non- slumping at elevated temperatures.

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