Laying out should include
- following blueprints
- laying out the framing on the double top plate
- determining the types of rafters, pitch, overhang, and spacing.
IRC: Chapter 8 covers all aspects of rafter and truss framing, from species and spans for lumber, depths of birdsmouth, bearing requirements, material labeling, and attachments to openings.
Process/Skill Questions:
- What set of plans should be referred to when reading and laying out roof-framing detail on a cap plate?
- What are relevant roof-framing details?
- How might region and type of climate affect spacing and sizing?
- What types of fasteners can be used?