Foil Scrim Kraft Tape

Foil scrim kraft tape is designed to seal FSK-facing fiberglass duct board and pipe insulation against moisture and vapor. It can also be used for patching rips and tears in foil-facing insulation and can be used with fiberglass duct wrap for added strength.

Foil-scrim-kraft (FSK) is a flame retardant, vapor-barrier, and it is one of the most commonly used facings in the insulation industry. High-strength foil-scrim-kraft paper all laminated together using a flame-retardant adhesive.Foil scrim kraft (FSK) tape has a combined backing of aluminum foil, kraft paper, and fiberglass scrim. The combined backing properties result in a strong tape that provides a barrier against vapor. 

FSK-Foil scrim kraft backing

A-Acrylic adhesive

120-Backing thickness120um

170-Tape thickness170um

B-2 way scrim

ALUMINUM FOIL TAPE APPLICATIONS:

Foil scrim kraft tape is used for sealing HVAC duct seams and joints where FSK is the basic insulation facing. It is used for sealing and patching FSK ductwork and insulation and provides a finished look for exposed HVAC systems.