SMACNA Premier Partner Interview: Johns Manville

TJ Stock from SMACNA Premier Partner Johns Manville detailed some of their new duct liner solutions and why their products are vital to emerging jobsites such as data centers.

TJ Stock from SMACNA Premier Partner Johns Manville joined us on the floor of the 2025 SMACNA Product Show. TJ walked through some of their new duct liner solutions and why their products are vital to emerging jobsites such as data centers.

Jan 7, 2026 — Member Update

Latest Articles

Acting Labor Secretary to Visit SMACNA Member

Jun 10, 2026 - Keith Sonderling will visit Warminster, PA-based Prime Sheet Metal and the Philadelphia chapter to learn more about the challenges and opportunities facing the industry.

Council Meeting Proves a Rousing Success

Jun 10, 2026 - This annual event connects national leadership with local chapters. Attendees left with clear steps to help their chapters, such as starting new SMACNA initiatives, sharing best practices, and providing feedback to shape industry priorities.

Nominate A Fellow Member As the SMACNA Contractor of the Year

Jun 10, 2026 - Deadline quickly approaching to recognize a SMACNA Contractor for their efforts to advance both our association and our industry.

smacnalogo__185_287__with_white_3a5897_outline