The International Association of Heat and Frost Insulators and Allied Workers is a trade union in the United States and Canada.
The primary focus of the union is to assist its membership in securing employment, to defend their rights and advance their interests as working men and women, and by education and cooperation, raise them to that position in society to which they are justly entitled.
Work is installed by our professional mechanical insulators that have achieved Journeyman status in the union through a multi-year classroom and 1,600-hour per year on-the-job training program.
The men and women of the International Association of Heat and Frost Insulators are on the front line in meeting the challenges of building a safer, healthier, greener and more efficient world.
Along with their partner mechanical, insulation and fire-stopping contractors, union professionals are meeting the growing demands of the modern world and are helping their clients save energy – and money. Industrial, commercial, residential and government users all demand new levels of energy efficiency, state-of-the-art fire safety, and pollutant-free environments in which to live and work.
Local 49’s proud history dates back to 1937 and has since produced a countless number of trained professionals who are the best in the business. This success comes from its members, who receive cutting-edge training and guidance, and who understand how important their work is to our society. The experience and expertise of the professionals of Local 49 are without comparison and the numbers speak for themselves.
Members of the International Association of Heat and Frost Insulators and Allied Workers receive a combination of on-the-job training and classroom instruction that is unmatched in the industry. Each professional spends a minimum of four years in the classroom, studying math, blueprint interpretation, application techniques, pattern layout, workplace safety, and supervision.
For over 100 years, the vital work of the International Association of Heat and Frost Insulators and Allied Workers has saved energy, saved lives, and saved money.
Ph: (218) 724-3223
Fax: (218) 724-1870
2002 London Road
Duluth, Minnesota 55812