3M Company 2145 Heavy Duty Duct Tape Gray

Product Description

The 3M COMPANY 2145 is a heavy duty gray duct tape engineered for demanding sealing, holding, and repair tasks across trade and industrial applications. It features an improved pressure-sensitive adhesive that bonds on contact, reducing application time on the job. The smooth, durable backing is water-resistant and tears cleanly by hand in both lengthwise and crosswise directions, eliminating the need for a knife or scissors in most situations. At 14.48 pounds per package, this tape ships in a 16-unit case, making it a practical stocking item for supply rooms, service vans, and job-site trailers.

This tape is suited for a wide range of trade and maintenance applications including duct bundling, temporary pipe and conduit repairs, cable management, surface protection, securing insulation, and general repairs in residential and light commercial settings. HVAC technicians, plumbers, electricians, and general maintenance crews commonly keep this tape on hand as a reliable all-purpose solution. It performs on metal, plastic, wood, and many other common job-site surfaces.

Key Features

• Improved pressure-sensitive adhesive bonds on contact for fast application
• Hand-tearable lengthwise and crosswise — no cutting tool required
• Water-resistant backing provides a clean, durable finish
• Smooth backing accepts writing for labeling or identification on the job
• Sold in a 16-unit case for stocking and resale

Compatibility

Designed as a general-purpose heavy duty duct tape suitable for bonding, sealing, and repair on metal, plastic, wood, and other common construction and trade surfaces.

Installation Notes

Clean and dry all surfaces before application to achieve maximum adhesion. Apply firm pressure across the full tape length to ensure full contact with the substrate. For HVAC duct sealing in jurisdictions that require listed materials, verify local code requirements, as mechanical duct sealing may also require mastic or UL-listed tape per applicable mechanical codes. Store unused rolls in a cool, dry location to maintain adhesive performance.

Technical Specifications

• Weight: 14.48 pounds (per case)
• Package Quantity: 16 units per case
• Unit of Measure: Each
• Color: Gray
• Backing: Water-resistant smooth duct tape backing
• Tear Direction: Hand-tearable lengthwise and crosswise

Standard Information

• Brand: 3M COMPANY
• Manufacturer Part Number: 2145