Insulator (Heat & Frost) (410A)
Apply thermal and acoustic insulation to pipes, ducts, vessels, and building envelopes.
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A Red Seal endorsement is a seal on your provincial or territorial trade certificate. It shows you have the knowledge and skills to practice your trade across Canada — earned by passing the interprovincial Red Seal exam.
What this trade covers
Apply thermal and acoustic insulation to pipes, ducts, vessels, and building envelopes.
Exam format
- • 120 multiple-choice questions
- • 4-hour time limit
- • 70% required to pass
- • Closed-book
- • 130 questions, 4 hours, 70% to pass
- • Questions align with the Red Seal Occupational Standard (RSOS)
Exam blueprint (RSOS)
Questions are distributed across major work activities defined in the Red Seal Occupational Standard — the same breakdown used on the official exam.
Performs routine occupational skills
Performs industrial applications
Performs commercial applications
Performs applications common to industrial and commercial systems
Performs specialized applications
Performs asbestos , lead and mould abatement
Official Red Seal resources
Source material from the Red Seal Program — administered by the Canadian Council of Directors of Apprenticeship (CCDA).