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

SMACNA, SMART and iTi hold second successful BE4ALL Town Hall

Jun 3, 2026 - Seattle event brought together contractors and union members to hear from SMART President Todd Hill, SMART General President Michael Coleman and iTI Executive Director Michael Harris on how to strengthen the industry.

Tom Martin Interviewed by Rochester NBC Affiliate

Jun 3, 2026 - SMACNA’s Immediate Past President talks to NBC 10 news about the value of a career in the skilled trades.

Share Your Experience: Participate in SMACNA's Back Charges Survey

Jun 3, 2026 - Study examines how back charges arise, how contractors respond, and which practices lead to successful outcomes

smacnalogo__185_287__with_white_3a5897_outline