IPG® ALF201UL Aluminum Foil Tape

IPG® ALF201UL Aluminum Foil Tape is a UL 181A-P and UL 181B-FX listed tape engineered for permanent sealing and insulation system applications in HVAC environments. This professional-grade tape delivers reliable adhesion and long-term performance on fiberglass duct board, flexible air ducts, and foil-faced insulation systems. Designed to perform in a variety of demanding temperature and humidity conditions, ALF201UL provides excellent vapor barrier integrity, moisture resistance, and heat reflectivity, making it ideal for code-compliant duct sealing and insulation wrap reinforcement.

Applications include: HVAC duct wrap, protective mask during chemical stripping of metals and other surfaces.

 
 
  • Excellent moisture resistance and vapor barrier integrity
  • Strong adhesion to fiberglass ductboard, foil-faced insulation, and flexible ducts
  • High heat reflectivity for energy-efficient insulation systems
  • Suitable for chemical masking and code-compliant duct sealing
Property Specification
Adhesive Material Silicone
Backing (Carrier) Material Polyimide
Maximum Operating Temperature (Celsius) 260 °C
Maximum Operating Temperature (Fahrenheit) 500 °F
Product Color Amber, Dark Amber
Total Tape Thickness without Liner (Imperial) 3.3 mil
Total Tape Thickness without Liner (Metric) 0.08 mm