Laying out should include determining the correct types of rafters, pitch, overhang, and spacing, according to blueprints.
Process/Skill Questions:
NCCER Carpentry
General Carpentry, Module 27112 Roof Framing describes the most common roof types and introduces basic roof framing components. Includes instructions for laying out rafters for gable roofs, hip roofs, and valley intersections. Covers stick-built and truss-built roofs, and includes the basics of roof sheathing installation.