This is what you typically need for the job:

• Completion of secondary school is usually required.
• Completion of a three- or four-year apprenticeship program in plastering, drywalling or lathing or A combination of over three years of work experience and some high school, college or industry courses in plastering, drywalling or lathing is usually required.
• Plasterer trade certification is compulsory in Quebec and available, but voluntary, in Ontario, Saskatchewan and British Columbia.
• Drywall installer and finisher trade certification is available, but voluntary, in British Columbia.
• Trade certification for lathers (interior systems mechanics) is compulsory in Quebec and available, but voluntary, in all other provinces and the Yukon.
• Red Seal endorsement is also available to qualified lathers (interior systems mechanic) upon successful completion of the interprovincial Red Seal examination.