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Lather

Year 1 Exam Study Guide — the foundational knowledge every apprentice needs before advancing.

Yr 1Yr 2Yr 3Yr 4Red Seal →
8Topic Sections
40Key Concepts
0Flashcard Terms
Year 1Apprentice Level

Year 1 - Core Topics

Study each topic below — these are the core knowledge areas tested in Year 1. Build a solid foundation here before advancing to Year 2 material.

🏗️Light Gauge Steel (LGS) Framing
  • Material properties and advantages
  • Fire rating benefits and limitations
  • Installation codes and standards
  • Thermal bridging and breaks
  • Comparison with wood and masonry
📖Stud Types & Gauges
  • 25 gauge (light non-structural)
  • 20 gauge (residential, general use)
  • 18 gauge (semi-structural)
  • 16 gauge (structural applications)
  • Material specifications and markings
📐Track & Stud Sizing
  • 1-5/8" studs (partition walls)
  • 2-1/2" studs (intermediate loads)
  • 3-5/8" studs (external/load-bearing)
  • 6" studs (structural applications)
  • Track depth and web design
📖Partition Wall Types
  • Demising walls (separation between units)
  • Corridor walls (common area boundaries)
  • Shear walls (lateral load resistance)
  • Interior partitions (non-load-bearing)
  • Exterior cladding support framing
📖Fire-Rated Assemblies
  • ULC S101 listing verification
  • One-hour and two-hour ratings
  • Drywall thickness requirements
  • Insulation and cavity fill specifications
  • Penetration sealing methods
📖Acoustic Assemblies
  • STC ratings (Sound Transmission Class)
  • IIC ratings (Impact Isolation Class)
  • Resilient channels and decoupling
  • Mass and absorption requirements
  • Flanking sound mitigation
📖Suspended Ceiling Systems
  • T-bar grid suspension
  • Spline systems and assembly
  • Hangers and support design
  • Access panel placement
  • Load calculations and safety
📖Seismic Bracing
  • Horizontal and vertical bracing
  • Strap and rod connections
  • Seismic anchoring requirements
  • Building code compliance
  • Regional seismic zone design

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