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The Insulators Local 84 Apprenticeship has placed regularly scheduled classes and tests on hold due to COVID-19 pandemic. Please click here to find information from the Center for Construction and Research and Training posted on the International’s website.  

A picture of the heavy insulators in the industry

Our Trades

Local 84 Insulators are highly trained and highly skilled in a multitude of crafts required in custom mechanical insulation installations.

A worker working on the insulation pipe


Digital resources to help Brothers and Sisters of Local 84 find information pertaining to membership, benefits and materials provided by the International.

A Man Cutting Open a Bamboo Log With a Knife


Insulators Local 84 is a proud affiliate of the International Association of Heat and Frost Insulators and Allied Workers and is a member of the Central States Conference. 


The members of the Heat and Frost Insulators and Allied Workers Local 84 work for the area’s premier insulation contractors. We proudly provide our signatory contractors with the region’s highly trained and highly skilled workforce, who work efficiently and perform their work correctly the first time.

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