Workforce Development
trades_banner.jpg HSAP Red Seal Trade

Lather (Interior Systems Mechanic)

Trade Description:

Interior systems mechanics install and apply lath, stucco wire, frameworks, vapour barrier, sound baffling, shielding, thermal and sound insulation, and access flooring systems to nearly all parts of the interior and exterior of a house or building. They also install decorative finishes and accessories.

Interior system mechanics usually work indoors in new construction, renovation and repair projects in the residential, commercial, institutional and industrial construction sectors.

Trade Regulation  
Red Seal Occupational Standard

Apprenticeship - Annual Requirements:

Levels Total Hours/Year
(On-the-Job & Technical Training)
Total Weeks/Year
(Technical Training)
Delivered By
4 1,800 6-6-6-6 RRC

Training Standards:

PDF Document Level One PDF Document Level Chart
PDF Document Level Two PDF Document Profile Chart
PDF Document Level Three PDF Document NOA Subtask to Unit Comparison
PDF Document Level Four

Red Seal Exam Information

Red Seal Exam Breakdown Red Seal Exam Self-Assessment Guide (Online)
Sample Exams Red Seal Exam Self-Assessment Guide (PDF)
Types of Exam Questions Red Seal Exam Preparation Guide

Challenging the Exam - Trades Qualification:

Years of Experience
Hours Required
Additional Practical
Exam Required
6 10,800 No
PDF Document Employer Declaration | PDF Document Employer Declaration (FR)
PDF Document Statutory Declaration | PDF Document Statutory Declaration (FR)

Designated Trainers:

PDF Document Work Experience Form