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
Jul 2, 2025 - A longtime friend of SMACNA Contractors and Co-Sponsor of the Infrastructure Act also passed important construction procurement reforms and defense base retrofit laws.
Jul 2, 2025 - Critical safety resource has been recently updated and revised by SMACNA’s Safety and Health Committee to align with current best practices and regulatory standards.
Jul 2, 2025 - Joint letter to Speaker Mike Johnson and Senate Majority Leader John Thune urged Congress to prioritize critical policy areas needed to maintain a robust construction industry and support American workers and businesses.