Tape University®

UL Compliant Tapes

How to Determine if an HVAC Tape is UL Compliant

Learn how to identify UL-compliant HVAC tapes and understand why proper certification can help support code compliance, reliable system sealing and long-term performance in HVAC installations.

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AF 099 Application

Factors to Consider When Choosing an HVAC Tape

March 31, 2022

Specific conditions and parameters must be considered before determining which tape to use in order to avoid an improperly sealed system as well as code violations.

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why do I need a UL listed HVAC tape

Why do I need a UL listed tape for HVAC reflective insulation?

September 27, 2017

In any job that involves HVAC work, including the installation and maintenance of reflective insulation, using tapes that are UL listed is critical. Why is having a UL listing so important? A UL listing: Ensures that the tape has been rigorously tested for adhesion and resistance to thermal cycles, preventing tape failure Prevents inspection failure…

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HVAC Attic

Why does HVAC work get inspected?

February 22, 2017

Inspections are critical in HVAC work because they ensure that systems are constructed properly and that safety regulations have been met. Inspectors search for leakage in the system, especially around connections that require several pieces of tape. Air leakage can result in high utility bills and system failure down the line that may require contractors…

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Red Printed HVAC Tape

Why do some HVAC tapes have red print on them?

October 19, 2016

HVAC tapes that have red print on them are typically UL listed tapes. But, this must be verified by reading the print on the tape – just because the tape has a red print doesn’t ensure that the tape is UL listed. The red print often provides pertinent details about the tape,  particularly once the packaging is…

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Shurtape AF 100 application

What are UL 181A-P and UL 181B-FX?

June 17, 2016

In some HVAC applications, UL listings are critical for code compliance. This means the HVAC tape used has the proper adhesion and exceptional shear strength needed to stay in place effectively for the life of the HVAC system. In order to receive a UL 181 listing, tapes that are used to seal air duct and air…

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