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


Stan Kolbe Featured on Panel Regarding the One Big Beautiful Bill

Aug 13, 2025 - The August 21st webinar, being held by ACHR, will bring together thought leaders to help industry stakeholders better understand the impacts of this sweeping legislation on the HVAC space.


Important Updates for the 2025 SMACNA Annual Convention

Aug 13, 2025 - As we get closer to the biggest event in the SMACNA calendar in Maui, learn more about convention registration, housing, events, and more!


Join Us for the 2026 MEP Innovation Conference in Austin, TX!

Aug 13, 2025 - Join SMACNA, MCAA and NECA at the Austin Marriott Downtown for this premier event in the mechanical, electrical, and plumbing industries.