Layout should include
- using and designing templates
- determining the type of rafters needed
- determining materials, according to the plan
- following applicable building codes
- calculating rafter length
- cutting materials.
Process/Skill Questions:
- What tools and equipment are used to cut materials for a building rafter/brace?
- Why are rafters cut differently than other building materials?
- When would using rafters be a better choice than trusses? Using trusses a better choice than rafters?
- Why is it important to check relevant codes before designing a rafter? Where can those codes be found?
- What is roof pitch, and how is it expressed?
- How do braces contribute to structural stability?