Insulators Local 34 organized and chartered, May 12, 1913.

<p >17 charter members.

January 1916

Wage .50 per hour and an 8 hour work day.

October 1916

International Association of Heat and Frost Insulators and Asbestos Workers pass Constitution and Bylaws.

March 1930

Asbestos Worker features articles discussing Pulmonary Asbetosis

Fall 1946

Minneapolis, MN hosts first Midwest States Conference Meeting

May 2009

Insulators form alliance with National Insulation Association to educate industry about mechanical insulation’s benefits. This includes the innovative Mechanical Insulation Education and Awareness Campaign (MIC).