C-43 – Sheet Metal Contractor

A sheet metal contractor selects, cuts, shapes, fabricates and installs sheet metal such as cornices, flashings, gutters, leaders, pans, kitchen equipment, duct work (including insulation, patented chimneys, metal flues, metal roofing systems and any other installations requiring sheet metal).

The Sheet Metal (C-43) Examination is divided into eight major sections. These sections are:

1. Job Evaluation and Estimation (25%)

• Scope of work
• Project measurements and calculations
• Flashing and gutters
• Duct work
• Metal roofing materials
• Louvers and screens

2. Sheet Metal Fabrication (20%)

• Pattern development
• Shop fabrication techniques
• Fastening methods
• Sealing and waterproofing

3. Metal Flashing Installation (10%)

• Roof flashings
• Wall and deck flashings
• Louvers, vents, and screens

4. Rain Gutter and Downspout Installation (9%)

• Drainage design
• Cutting and fastening
• Testing procedures

5. Duct Work Installation (14%)

• Duct layout
• Hanging and assembly methods
• Insulation methods
• Environmental exhaust systems
• Grills and finish

6. Metal Roofing and Siding Installation (7%)

• Metal roof and siding panels layout
• Fastening methods
• Underlayment and vapor barrier
• Material protection

7. Commercial and Industrial Installations (5%)

• Exhaust hoods
• Sinks, countertops, and shelving
• Column covers and corner guards
• Metal decking

8. Shop and Job Site Safety (10%)

• Fall protection
• Equipment operation
• Handling of hazardous materials

*Percentages are approximate*