Celebrating 100 years in the
Heat & Frost Insulation Industry
Our purpose is securing employment while defending their rights and advancing their interests through education and cooperation.
Built on a
Century of
Solidarity
Since 1903, our union has stood for dignity on the job and strength through collective action.
Local 5 protects what members earn—fair pay, benefits, and retirement security—while negotiating with contractors and advocating for policies that support our trades and our families.
How We Help
At Local 5, we protect and advance the rights of our members through the following specialized services:
Commercial/ Industrial Insulation
Specialties: Hospitals, Schools, Pharmaceutical, Petrochemical, Marine, and Power Plant Facilities.
Firestop Compartmentation
Specialties: Mechanical, Electrical, Plumbing, and Seismic Expansions.
Asbestos/ Lead/ Mold Abatement
Specialties: Asbestos, Lead, Mold, Hazardous Material Handling, etc.
Union Contractors
At Local 5, we build partnerships with contractors who share our commitment to fair wages, safety and high-quality craftsmanship. By working together, we ensure our members have access to reliable, well-compensated work opportunities, while promoting ethical practices in the construction industry.
