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← 3.3 Timbering

Materials for timbering

Building and Construction · Grade 10 · about 40 minutes

Identifying timber boards, struts, walings, wedges, nails and the modern steel equivalents used to timber a foundation trench.

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  • 8 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
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Other lessons in this sub-strand

  1. Timbering
  2. Meaning and purpose of timbering
  3. Materials for timbering
  4. Timbering members named
  5. Timbering to firm soil
  6. Timbering to loose dry soil
  7. Timbering to loose wet soil
  8. Erecting timbering to a foundation trench
  9. Timbering safety and the building code
  10. Striking, reuse, and why timbering matters