There are a ton of different applications duct tape is used for. General home repair, construction, industrial work environments, and more. But, how do you know which duct tape is best suited for what? Here’s a deep dive on four of our most popular duct tapes, focusing on their mil thickness and capabilities.

What is Mil Thickness?

Mil thickness is a unit of measurement used in most commonly manufacturing to gauge the thickness of plastic films. One mil is equal to one thousandth of an inch (0.001 inches) or .0254 millimeters. Mil thickness impacts the strength, durability, and performance of tape in different applications. The thicker the tape, the more resistance and puncture protection offered.

Duct Tape Assortment

BT-410 | 7 Mil 

This utility grade duct tape is designed to endure all weather conditions and is best suited for general maintenance and repair applications. BT-410 is commonly used for temporary fixes, bundling, sealing, or reinforcing. 

☀️Utility Grade 

✋Hand Tearable

BT-257 | 9 Mil

This duct tape is a must-have for every toolbox. Due to its success in durability and ease of use, the BT-257 is trusted across construction industries. BT-257 is frequently used for patching leaks, general repairs, and securing poly sheeting in temporary work environments.

✋Hand Tearable

👷‍♂️Contractor Grade

BT-258 | 11 Mil

BT-258 is renowned for its superior performance and aggressive adhesive system. With an 11 mil thickness, it is ideal for a wide range of construction applications. Common applications for this durable tape include: asbestos abatement, HVAC, and heavy duty repairs.

✋Hand Tearable

👷‍♂️Contractor Grade

BluOx Tape® Heavyweight Duct Tape | 17 Mil

BluOx Tape® is the ultimate heavy duty duct tape, engineered for demanding applications. BluOx Tape® is one of the toughest tapes on the market due to 17 mil thickness, superior durability, and performance. This is the go-to choice for many professionals and DIYers who require a tape that can handle the toughest jobs.

🔒Permanent Bond

⚡Premium Grade

Whether you’re sealing, temporarily fixing, or bundling, duct tape can handle a wide range of applications. If you still have questions or want to learn more about our duct tape portfolio, reach out to an Application Specialist!