Insulators perform some or all of the following duties:

• Read and interpret drawings and specifications to determine insulation requirements and select appropriate materials
• Measure, cut, and apply insulating materials such as fibreglass, mineral wool, and foam
• Install insulation using spraying, blowing, pasting, strapping, or taping techniques
• Fit insulation around obstructions and within complex structures such as piping systems and wall cavities
• Install vapour barriers and firestopping materials to ensure compliance with building and fire safety codes
• Remove hazardous insulation materials such as asbestos following strict health and safety protocols
• Ensure energy efficiency and thermal protection in residential, commercial, and industrial systems
• Work with modern insulation technologies including eco-friendly materials and thermal scanning tools

These are the typical employment requirements and benefits associated with this occupation in Canada:

• Completion of secondary school is typically required
• Completion of a three- to four-year apprenticeship program OR over four years of work experience combined with industry courses is mandatory
• Trade certification is compulsory in Quebec and voluntary in other provinces and territories
• Red Seal endorsement is highly recommended for interprovincial mobility and higher wages
• Strong understanding of insulation materials, safety procedures, and building codes is essential
• Experience with modern insulation technologies and environmental remediation is beneficial