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The Work
Workers in this trade apply insulation materials to pipes, tanks, boilers, ducts, refrigeration equipment and other surfaces requiring thermal control of temperatures. It requires much handling of insulation materials made of fiberglass, rubber, calcium silicate and urethane. Asbestos workers also do removal of asbestos containing materials.

Working Conditions
The working conditions tend to be in and around dust. A variety of machinery and power tools are constantly used, and workers provide their own hand tools. This trade has a high health hazard risk. Workers must wear respirators, and the proper use and care of respirators is an essential part of the work. Work is conducted in commercial buildings, refineries, ships, and industrial plants in all kinds of indoor and outdoor climates.

The Apprenticeship
This program requires 8000 hours (four years) of on-the-job training, plus 144 hours each year, of related classroom training. Some programs have classroom instruction on Saturdays only, on your own time.

Apprenticeship Entry Requirements

• At least 18 years old.
• High school diploma or GED/equivalent.
• Washington State resident with birth certificate.
• Pass a physical examination.
• Possess a valid state driver's license.