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.
Apr 10, 2024 — Member Update
Feb 4, 2026 - Between now and May 31, apply for the SMACNA Safety Achievement Awards and the Safety Innovator of the Year Award!
Feb 4, 2026 - SMACPAC Ambassadors engage with lawmakers from both sides of the aisle building relationships that benefit all contractors.
Feb 4, 2026 - Letters to Congress urge action on tariff impacts and change orders.