Glaziers perform some or all of the following duties:

• Read and interpret blueprints and specifications to determine glass type, thickness, and installation methods
• Measure, mark, and cut glass using hand tools or computerized cutting machines
• Tint glass and create patterns through etching, sandblasting, or decorative painting
• Assemble, erect, and dismantle scaffolding and rigging systems for high-rise installations
• Position and secure glass panes using clips, mouldings, and specialized fastening systems
• Install prefabricated glass units, mirrors, and architectural glass structures
• Fabricate and attach aluminum or metal framing systems for curtain walls and storefronts
• Install skylights, aquariums, showcases, and stained glass structures
• Repair windows, replace damaged glass, and maintain building envelope integrity
• Install and service commercial aluminum doors and glazing systems

These are the typical employment requirements and certifications required in Canada:

• Completion of secondary school is usually required
• Completion of a three- to four-year apprenticeship program OR equivalent work experience
• Over four years of work experience plus industry courses may qualify candidates for certification
• Trade certification is compulsory in Quebec and voluntary in other provinces
• Red Seal endorsement is highly recommended for interprovincial mobility
• Fall protection and aerial platform safety certifications are often required
• Strong precision skills and ability to work at heights are essential