3M 7100043842 Asj Foil Tape White 2.83 in 50 Yd

Product Description

The 3M 7100043842 is an ASJ facing tape designed to match traditional all-service jacket insulation facings used in HVAC and mechanical insulation systems. It combines a white kraft paper, fiberglass scrim, and foil laminate backing with a pressure-sensitive, cold-weather solvent acrylic adhesive. The result is a tape that bonds quickly at normal ambient temperatures while maintaining reliable adhesion in low-temperature environments. HVAC technicians and mechanical insulation installers use it to seal joints, seams, and lap edges on ductboard and pipe insulation where a vapor-retarding closure is required.

This tape is suited for residential and commercial HVAC duct insulation, pipe insulation jacketing, and mechanical room applications where temperature swings and high humidity are common. The flexible laminate backing conforms to curved pipe surfaces and irregular duct edges without lifting or wrinkling. Its cold-weather acrylic adhesive makes it a practical choice for job sites that experience low ambient temperatures during installation. A heavy-duty release liner strips away cleanly for efficient field application without special tools.

Key Features

• White kraft, scrim, and foil laminate backing functions as a vapor seal on ductboard and pipe insulation
• Cold-weather acrylic adhesive bonds in low ambient temperatures where standard adhesives can fail
• Mold inhibitor helps preserve adhesive strength over time in humid conditions
• High puncture and tear resistance extends service life in demanding mechanical environments
• Flexible backing conforms to curved and irregular surfaces including round pipe insulation
• Heavy-duty liner removes quickly for efficient on-site installation without special applicators

Compatibility

Designed as an OEM-style match for traditional ASJ (all-service jacket) insulation facings used on ductboard and pipe insulation in residential and commercial HVAC and mechanical insulation applications.

Installation Notes

Installation is typically performed by licensed HVAC technicians or certified mechanical insulation workers. Surfaces should be clean, dry, and free of dust or oil before tape application. Ensure ambient and surface temperatures are within the product's rated application range for best initial adhesion. Follow applicable SMACNA duct construction standards and local mechanical codes when sealing insulated duct systems.

Technical Specifications

• Backing Material: White kraft paper, fiberglass scrim, and foil laminate
• Adhesive Type: Pressure-sensitive cold-weather solvent acrylic
• Tape Width: 2.83 inches
• Tape Length: 50 yards per roll
• Unit of Measure: Roll
• Minimum Order Quantity: 16
• Package Weight: 35.6 pounds
• Package Length: 13.5 inches
• Package Width: 13.75 inches
• Package Height: 12.5 inches
• UPC: 051128959973

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100043842