Webinar – HVAC Duct Sealing Mastics: Why Selection Matters

HVAC Duct Sealing Mastics: Why Selection Matters

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Tuesday, June 23, 2026
2:00 PM EDT

What are the trade-offs when selecting duct mastic? There are many! This webinar will detail what HVAC material buyers and technicians need to know when selecting duct mastics, including matching mastic to spec, alternatives to liquid mastic, and where UL 181 listings fit.

For HVAC Technicians
• Choosing and applying the right type of mastic for the job.
• True mastic tapes, what they are and how they differ from other foil tapes.
• UL standards, what they mean, why they matter and what is fully “Listed”.
• How to reduce leaks and callbacks by spotting pitfalls early.
For HVAC Business Owners or Managers
• Better select mastic to meet specs while balancing cost, safety, and compliance.
• Make smarter labor tradeoffs when choosing from mastic options.
• Better match proper UL designations with substrate for a code compliant system.

Speaker

Frank Forrest
Senior Product & Training Manager
Carlisle HVAC Brands
Sponsored by