An Installation Apprentice works on commercial and industrial buildings and equipment to install insulation material throughout a building as well as around vats, vessels, boilers, steam pipes, and water pipes. Installation Apprentices work on new construction projects installing high-performance insulation that contributes to a buildings level of energy efficiency. They also work to retrofit older buildings, replacing outdated materials with new, higher performing products. Apprentices also install fire-stopping materials to prevent the spread of fire and smoke throughout a building.

To become an apprentice, the International Association of Heat and Frost Insulators and Allied Workers accepts capable individuals into their trade through their Joint Apprenticeship and Training Committee (J.A.T.C.) program. Through the apprenticeship program, a person can enter the insulation industry and become a professional in one of their skilled trades: Mechanical Insulation, Firestopping, Asbestos & Lead Mitigation, Sound Attenuation, Specialty Fabrication. Apprentices receive the following instruction: A minimum of 720 hours of classroom instruction over four years, a minimum of 144 hours of classroom instruction per year, and a minimum of 1,600 hours of on-the-job training per year. All Insulation workforce training includes: OSHA 10- and 30-Hour Safety Training Courses, Asbestos Removal and Mediation, Lead Removal and Mediation, Firestopping, 3E Energy Audits, CPR and First Aid Training Courses, Professional Code of Conduct Program.