About Insulators Union

Learn more about the Mechanical Insulators Labor Management Cooperative Trust

The International Association of Heat and Frost Insulators and Allied Workers (HFIAW or Insulators Union) is a trade union in the U.S. and Canada. The Labor Management and Cooperative Trust is a partnership between the Insulators Union and the signatory contractors, who employ the union members in the mechanical insulation and firestopping industries.

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What does the Insulators Union do?

The primary focus of the Insulators Union is to assist its membership in securing employment, defend their rights and advance their interests as working men and women. Through education and cooperation, we hope to raise them to a position in society where they can live comfortably.

Insulation and firestopping is installed by our professional mechanical insulators, who have achieved journeyman status in the union through a multi-year classroom and 1,600 hour per year on-the-job training program.

The Insulators Union is affiliated with the AFL-CIO and the Canadian Labour Congress and represents nearly 23,000 craftsmen in a variety of construction trades.

 

Comprehensive Skills of Today’s Union Insulator

Today’s union insulator is skilled in the installation of mechanical insulation, fire stopping, asbestos and lead mitigation or abatement, sound attenuation and specialty fabrications required in custom mechanical insulation installations for commercial, industrial, medical, bio-technical, governmental, educational facilities, etc.

Members of the Insulators Union go through a rigorous, multi-year classroom and 1,600 hour per year on-the-job training program, which makes them the most highly skilled and highly trained insulation and firestopping professionals in the world.

The International Association of Heat and Frost Insulators and Allied Workers has persevered since 1903, a testament to our founders’ commitment to the dignity, skills and well-being of our membership.