- Type Validation
- Time Hours
NCCER Sheet Metal Duct Fabrication Standards (04204)
Issued by
NCCER
Individuals can identify and describe industry standards and building codes that apply to the sheet metal craft. They are aware of the contents of the SMACNA HVAC metal and flexible duct fabrication standard. They know how to determine specific duct characteristics based on the expected pressure and size. They can identify duct pressure classes and the related duct sealing requirements. They can explain how to determine duct gauge, connection spacing and longitudinal seam type.
- Type Validation
- Time Hours