Skip to content 
Description
The Fire Retardant Aluminum Foil Tape 36 µ (1.44 mil) is engineered for demanding HVAC, ductwork and insulation applications. With a high-tensile aluminum foil backing, epoxy surface coating and a powerful cold-weather acrylic adhesive, this tape delivers dependable sealing in both low and high temperatures.
It features a silicone-coated release liner for easy application and excellent resistance to moisture, corrosion and aging. Certified for use in fire-retardant applications, this tape meets stringent UL 723 & ULC-S102.
Key Features:
-
Aluminum Backing: 1.44 mil thick (36 µ)
-
Adhesive: Cold-weather, high-tack acrylic.
-
Release Liner: Silicone-coated paper.
-
Tensile Strength: 12.4 lb/in (55 N/25mm)
-
Adhesion to Steel: 80 oz/in (22 N/25mm)
-
Tack (Ball Test): 0.4 in (1 cm)
-
Elongation: 3%
-
Total Thickness: 3.6 mil
-
Application Temp: -4°F to +105°F
-
Operating Temp: -22°F to +248°F
-
Fire Rating: 25 / 50 & Class 0
-
Certifications: UL 723 & ULC-S102
-
Applications: HVAC sealing, insulation joints, construction, residential & industrial projects.
Tagreed (verified owner) –
I needed this for a DIY insulation project, and it stuck beautifully to foil-faced panels. The release liner peels off easily too, which saved me so much time.