SMW
Red Seal Trade
Sheet Metal Worker
Red Seal / red-seal.ca · SMACNA · ASHRAE
SMACNA HVAC Duct Construction Standards · ASHRAE 62.1 · CSA
Exam Questions
50
per session
Pass Gate
90%
above governing body standard
Tier 1 Valid
2 yr
Certificate of Competency
Tier 2 Valid
6 mo
Participation Certificate
Curriculum — 4 Topic Blocks
Block 01 / 04
Duct Design & Layout
- SMACNA duct construction classes
- Pressure class selection
- Equal friction & velocity reduction methods
- Ductwork layout from mechanical drawings
Block 02 / 04
Fabrication & Forming
- Sheet metal gauges & material properties
- Pattern development — parallel line, radial
- Pittsburgh & snap-lock seam formation
- TDF (Transverse Duct Flanges) systems
Block 03 / 04
Installation & HVAC
- Duct hanger spacing & support
- Flexible duct connection standards
- Damper & access door installation
- Duct leakage testing (SMACNA)
Block 04 / 04
Specialized Systems
- Kitchen exhaust ductwork — UL 1978
- Industrial ventilation & dust collection
- Architectural sheet metal — roofing & cladding
- Sheet metal welding & plasma cutting
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30-Day Access
Subscribe to unlock unlimited exam sessions, detailed performance analytics, Tier 1 & Tier 2 certification, and the complete SMW question bank — 90%+ pass gate enforced.
$
49.95
CAD
30-day access
per worker
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Certification Tiers
| Tier |
Score |
Certificate Issued |
Validity |
Next Step |
| Tier 1 |
90–100% |
Certificate of Competency |
2 years · revalidation required |
Maintain revalidation before expiry |
| Tier 2 |
70–89% |
Participation Certificate |
6 months · full retest required |
Targeted remedial study on weak areas |
| Tier 3 |
Below 70% |
No certificate issued |
Retest within 30 days |
Structured remedial training required |