For Convenience this is a 3' Piece of SealingTape

 

This is just a 3' piece of the tape normally sold in rolls and should be enough to seal at least two joints in a duct system.

 

This aluminum duct tape is designed to be used for sealing the duct systems ultilizing the wall and ceiling duct boxes.  The tape is used to seal the connection between the venting hose/duct and the duct boxes and any other other connection points in the system.

 

Features

• Small Quantity to Eliminate Waste through Unused Product
• High Performance Acrylic Adhesive
• Vapor Barrier
• Improved Tack and Shear Properties
• Instant Adhesion/Superior Quick Stick
• Maintains Permanent Seal Over Wide Temperature Range
• UL Listed: 181A-P and UL 181B-FX