FOSTER® SAFETEE™ DUCT SEALANT is a fire-resistive, vibrated,
water-based, indoor/outdoor vapor barrier sealant for low, medium
and high-velocity heating and air conditioning ducts. It performs as a
tough and flexible adhesive and sealant, forming a durable seal
against air leakage when used with or without reinforcing tape or
membrane. Mechanical fasteners of the type and number normally
used for duct assemblies are required to provide rigidity to the duct
SAFETEE™ DUCT SEALANT has excellent weather resistance, low
water vapor permeance and good water resistance, allowing it to be
used outdoors and in high humidity environments. It is U.V. resistant.
When dry, it may be painted with good quality, water-based paint.