Education: Secondary (high) school graduation certificate. Tasks: Install built-up roofing systems using materials such as asphalt saturated felts and hot asphalt and gravel. Install or replace asphalt shingles, wood shingles and shakes and masonry or baked clay roofing tiles on sloped roofs of buildings. Install roofing tiles on sloped roofs of buildings. Repair or replace shingles and shakes on sloped roofs of buildings. Repair or replace single-ply roofing systems. Supervise other workers. Install and repair metal roofs using hand and power tools. Install sheet metal flashings. Estimate costs and materials. Erect and install scaffolding, falsework and other working platforms. Certificates, licences, memberships, and courses : Workplace Safety and Insurance Board (WSIB) clearance Certificate. First Aid Certificate. Screening questions: Do you have experience working in this field?. Experience: 1 year to less than 2 years. Employment terms options: Day. Workplace information: On the road job. Financial benefits: Bonus.