Construction

To Become a Sheet Metal Roofer (Ancestral tin copper roofing) in Ontario: Salary, Training, and Career Outlook.

by Occupations.ca Team
11 min read

Have you ever looked up at a gleaming copper roof or a historic tin-clad steeple and wondered who crafted it—and how you could learn to do the same? If you enjoy hands-on work, history, and precision Metalwork, becoming a Sheet Metal Roofer (ancestral tin and Copper Roofing) in Ontario could be a powerful career fit for you.

Job Description
In Ontario, a Sheet Metal Roofer with a focus on ancestral tin and copper roofing blends two skilled trades: roofing and architectural/heritage sheet metal. You work at height, read plans, shape and install metal panels, and preserve or restore historical buildings. You could fabricate custom flashing for a church Restoration in Kingston, install a traditional standing seam copper roof in Toronto, or Repair tin shingles on a heritage home in Perth.

This specialty sits at the intersection of:

  • Roofer (Ontario trade code 449A, voluntary trade), and
  • Sheet Metal Worker (Ontario trade code 308A, compulsory trade).

Your projects can range from new builds to heritage conservation, where you follow the Standards and Guidelines for the Conservation of Historic Places in Canada and Ontario Heritage Act requirements on protected sites.

Daily Work Activities
If you step into this career in Ontario, your typical day might include:

  • Reviewing plans and shop drawings for roof layout, seams, and flashing details.
  • Preparing substrates (sheathing, underlayments, Ventilation paths, and drainage).
  • Forming metal panels using brakes and rollers; preforming standing seams or flat-lock panels.
  • Custom-fabricating valleys, drip edges, chimney flashings, and dormer details.
  • Soldering copper or tin joints using appropriate solders and fluxes.
  • Installing snow guards, eavestroughs, and related rainwater systems in matching metals.
  • Verifying historical authenticity (panel widths, seam types, finishes) on heritage jobs.
  • Managing patina expectations for copper and coatings for tin/terne products.
  • Implementing stringent fall protection and Working at Heights practices.
  • Coordinating with general contractors, heritage consultants, and inspectors.
  • Documenting before/after conditions for heritage records and client handover.

Main Tasks

  • Measure, layout, and mark metal roofing systems and flashings.
  • Cut, bend, bead, hem, and seam copper, tin, and terne-coated sheets.
  • Install traditional systems: standing seam, batten seam, and flat lock.
  • Solder watertight joints; test for integrity on critical details (e.g., valleys).
  • Repair, replace, or replicate historical elements to match originals.
  • Install and detail snow Management systems suited to Ontario’s climate.
  • Apply corrosion protection, sealants, and compatible underlayments.
  • Maintain tools: brakes, seamers, snips, power seamers, soldering equipment.
  • Follow the Ontario Building Code and project specifications.
  • Adhere to occupational health and Safety requirements and site protocols.

Required Education
Diplomas (Certificate, College Diploma, Bachelor’s Degree)
For most Ontario employers, the right pathway is an apprenticeship plus on-the-job experience in heritage or architectural sheet metal:

  • Certificate of Apprenticeship / Certificate of Qualification (C of Q)

    • Roofer (449A): Voluntary trade; C of Q is strongly valued and often preferred by employers and unions.
    • Sheet Metal Worker (308A): Compulsory trade in Ontario; you must be a registered apprentice or certified journeyperson to practice the full scope of sheet metal work. This is especially important if you will fabricate and install architectural sheet metal components.

  • Red Seal Endorsement (optional but respected)

    • Both Roofer and Sheet Metal Worker are Red Seal trades in Canada. Red Seal can Support mobility and recognition across provinces.

  • College Diplomas and Related Studies (helpful, not mandatory)

    • Construction or Building Renovation diplomas can help you enter the field or succeed in apprenticeship.
    • Heritage conservation programs help you work on designated heritage properties and understand conservation ethics.
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Length of Studies

  • Roofer (449A) Apprenticeship
    • Typically around 4,000–5,000+ hours (about 2–3 years) combining paid on-the-job Training and in-class learning, depending on your pace and employer.
  • Sheet Metal Worker (308A) Apprenticeship
    • Typically about 9,000 hours (about 4–5 years), including three levels of in-school training and extensive on-the-job experience.

Note: Exact hours and level structures can change. Always confirm current requirements with Skilled Trades Ontario.

Where to Study? (Ontario)
To register as an apprentice, you need an employer sponsor. In-class training is delivered by approved Training Delivery Agents (TDAs), which include colleges and union/employer training centres. Start here:

Ontario colleges and organizations frequently involved in related training include:

Union and industry training resources:

Heritage and specialized learning (great for ancestral tin/copper):

If you’re a high school student, you can start early through the Ontario Youth Apprenticeship Program (OYAP): https://www.ontario.ca/page/ontario-youth-apprenticeship-program-oyap

If you have prior experience in roofing or sheet metal (including from outside Canada), ask Skilled Trades Ontario about a Trade Equivalency Assessment (TEA): https://www.skilledtradesontario.ca/services/trade-equivalency-assessment/

Salary and Working Conditions
Entry-Level vs Experienced Salary
Pay varies by region, employer, and whether you are unionized. In Ontario, typical ranges are:

  • Entry-level apprentices:
    • Roofer: about $22–$30 per hour as you progress through levels.
    • Sheet Metal (architectural/roofing focus): about $25–$35 per hour as an apprentice.
  • Experienced journeypersons:
    • Roofer: roughly $35–$45+ per hour.
    • Sheet Metal Worker (architectural/heritage copper/tin): roughly $38–$55+ per hour; specialized copper heritage work can command premium rates, especially for complex restorations or site foreperson roles.

Union packages may include Benefits, pension, and vacation pay, which add significant value over base hourly rates. Annual income depends on hours worked; roofing can be seasonal, but heritage and copper jobs often extend throughout the year due to indoor fabrication and staged projects.

Working Conditions

  • Outdoor, at-height work in Ontario’s climate (cold, heat, wind, snow).
  • Early starts; project timelines influenced by weather.
  • Physical demands: climbing ladders/scaffolds, lifting metal, kneeling, precise handwork.
  • Safety-first culture: fall protection, eye/hand protection, cut-resistant gloves.
  • Fabrication work in the shop; installation work on active construction sites.
  • Heritage sites may require careful staging, documentation, and Coordination with conservators.

Job Outlook
Demand in Ontario is steady to strong due to:

  • Ongoing construction and retrofits in the GTA, Ottawa, and other urban areas.
  • The need for durable, low-Maintenance roofing systems (copper and terne-coated materials).
  • A stable pipeline of heritage restoration work under the Ontario Heritage Act, municipal heritage programs, and federal heritage standards.
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For official labour market insights:

Key Skills
Soft Skills

  • Attention to detail: Heritage metalwork demands precision and consistency.
  • Problem-solving: Every roof is different; heritage buildings introduce unique challenges.
  • Communication: You’ll coordinate with clients, general contractors, and heritage consultants.
  • Professionalism: Respect for historical fabric, site protocols, and safety.
  • Teamwork and Leadership: Work efficiently with crews, mentor apprentices, and interface with inspectors.

Hard Skills

  • Metal Forming and joining: Cutting, bending, seaming, and soldering copper and tin.
  • System installation: Standing seam, batten seam, and flat-lock panels.
  • Heritage replication: Matching historical profiles, seam spacing, and finishes.
  • Reading construction drawings: Layouts, details, and Ontario Building Code Compliance.
  • Flashing and waterproofing: Chimneys, skylights, valleys, parapets, and eaves.
  • Ventilation and moisture control: Preventing condensation and ice dams.
  • Tool proficiency: Brakes (hand and floor), rollers, power seamers, soldering irons, torches, snips, seamers, crimpers.
  • Safety and compliance: Working at Heights (CPO-approved), WHMIS, ladder/scaffold safety, lockout/tagout on rooftops near mechanicals.
  • Material science: Understanding patina, galvanic compatibility, coatings for tin/terne-coated Steel, and fastener compatibility.

Advantages and Disadvantages
Advantages

  • Strong niche: Heritage copper/Tin Roofing is a high-skill specialty with fewer qualified competitors.
  • High earning potential: Premium work can bring premium rates and steady referrals.
  • Creative craftsmanship: You see your work become part of Ontario’s skyline and cultural fabric.
  • Variety: Shops, high rises, churches, Museums, and historical estates.
  • Recognition: Red Seal and Ontario certifications build credibility across Canada.

Disadvantages

  • Exposure to weather and heights: Not ideal if you dislike cold, heat, or working on sloped surfaces.
  • Physical demands and risk: Requires excellent fitness and strict safety habits.
  • Seasonal patterns: Some workloads depend on weather; plan for winter schedules.
  • Long training period: Sheet Metal Worker (308A) is a compulsory trade with multi-year apprenticeship.
  • Perfection required: Heritage projects demand meticulous detail and extensive documentation.

Expert Opinion
If you’re aiming for ancestral tin and copper roofing in Ontario, build your foundation on two pillars: safety and precision. First, get your Working at Heights training early and treat fall protection as non-negotiable. This signals to employers that you are job-ready for construction sites.

Second, pursue a dual-skill pathway:

  • Register as a Roofer (449A) apprentice with an employer who handles metal roofing systems, ideally including copper and terne-coated work.
  • Pair this with Sheet Metal Worker (308A) apprenticeship training or shop experience focused on architectural sheet metal. Remember, 308A is a compulsory trade in Ontario—so being an apprentice or journeyperson is essential if you’ll be doing sheet metal scope.

Seek out employers and unions with a strong reputation in heritage work—ask to see portfolios. Volunteer to join copper projects, even for small flashing tasks at first. Build your soldering and seam skills on offcuts in the shop during downtime. Keep a professional photo log of your seams, details, and completed jobs; it’s proof of your craftsmanship.

Learn to read heritage plans and spec sections. Study technical guides from CCBDA on copper roofing, and get familiar with Parks Canada’s Standards and Guidelines for historic places. When you can talk knowledgeably about flat-lock vs. standing seam, expansion allowances, snow guards, and galvanic compatibility, you will stand out to Ontario contractors who take on high-value heritage projects.

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FAQ

Is Sheet Metal Worker (308A) really compulsory in Ontario, and does it affect me if I focus only on copper roofing?

Yes. Sheet Metal Worker (308A) is a compulsory trade in Ontario. If the scope of your work includes sheet Metal Fabrication/installation activities that fall under 308A (for example, architectural flashings, custom metal forming, and certain installation tasks beyond basic roofing), you must be a registered apprentice or certified journeyperson in 308A. Many copper roofing roles overlap with 308A scope. Confirm your exact duties with your employer and Skilled Trades Ontario: https://www.skilledtradesontario.ca/trades/sheet-metal-worker-308a/

What safety certifications do I need before I can step on a roof in Ontario?

You need Working at Heights training approved by Ontario’s Chief Prevention Officer if you use fall protection on construction projects. Most employers also expect WHMIS and basic first aid. Get details here: https://www.ontario.ca/page/working-heights-training

How can I break into heritage copper/tin roofing if I only have general roofing experience?

Target employers who advertise copper, terne, or heritage work; ask about a combined roofing and architectural sheet metal pathway. Start as a Roofer (449A) apprentice and request shop time to learn metal forming and soldering. Consider workshops via Willowbank or supplier-led training (e.g., copper detailing courses) and study technical literature from CCBDA: https://coppercanada.ca/

Are there grants or supports to help me start an apprenticeship in Ontario?

Yes. Ontario and Canada offer several supports for apprentices and employers, including the Ontario Youth Apprenticeship Program (OYAP) for high school students and federal incentives and loans for apprentices. Start with Ontario’s apprenticeship overview and talk to Employment Ontario services about current funding: https://www.ontario.ca/page/apprenticeship

What materials are actually used for “tin” roofing today in Ontario?

Historically, “tin” often meant terne—a tin/lead coating over steel. Today, heritage-sensitive projects may use terne-coated stainless or zinc-tin coated steel to achieve a traditional look with improved durability. Copper remains a top choice for longevity and aesthetics. Always follow compatibility rules for fasteners and adjacent metals to avoid galvanic corrosion; consult CCBDA and manufacturer guidelines when detailing mixed-metal assemblies.

Tips to Get Started in Ontario

  • Line up an employer sponsor and register as an apprentice with Skilled Trades Ontario.
  • Get your Working at Heights and WHMIS certificates early.
  • Build a starter tool kit (quality snips, hammer, measuring and marking tools) and learn to maintain shared shop tools (brakes, seamers).
  • Network with unions and associations (SMART Local 30, OIRCA, SMACNA–Ontario) to find copper/heritage opportunities.
  • Keep learning: study copper roofing handbooks, practice soldering on scrap, and visit heritage sites to observe details that stand the test of time.

Key Ontario Links (Quick Access)

If you love craftsmanship, care about Ontario’s architectural heritage, and want a trade with solid earning potential, ancestral tin and copper roofing can become your signature skillset. Build your safety foundation, invest in dual trade training, and let your seams, soldering, and details speak for your reputation.

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