Fiberglass Duct Liner Webinar Recording Now Available

Watch the recently held webinar, Fiberglass Duct Liner for Efficient & Quiet HVAC Systems.

SMACNA’s recent webinar, Fiberglass Duct Liner for Efficient & Quiet HVAC Systems, explains the different types of insulation materials used for lining the interior of mechanical duct systems, their overall performance qualities, and how to improve project specifications for mechanical air delivery systems by tying specifications together to facilitate project performance goals better.

Webinar presenter William “Buddy” Combs, Specification Specialist at SMACNA Platinum Associate Member company, Knauf Insulation, has over 35 years of experience in all aspects of owner’s representation in the building delivery process, including Architecture, engineering, specifications, project management, construction, governmental and code compliance.

Watch this webinar.


Apr 10, 2024 Member Update

Latest Articles


Partners in Progress Video Recap

Mar 18, 2026 - Latest edition of SMACNA On the Road takes you to the joint SMACNA/SMART event in Orlando and provides first-hand accounts regarding the impact of the joint sessions.


Mark Your Calendar for the 2026 SMACNA Annual Convention

Mar 18, 2026 - Join SMACNA in Orlando, October 25–28, 2026, for four days of impactful education, high-value networking, and signature events. Experience the new SMACNA Block Party at Universal CityWalk and unforgettable moments with industry leaders.


2025 Regional Annual Labor Reports Just Released

Mar 18, 2026 - Examine vital data on work hours, market sectors and the skills that are most in demand.