Title: Cut a common rafter as a pattern.
Course: Carpentry II (17003-II) > Section: Framing a Roof

Layout should include

- interpreting the rafter layout from blueprints
- computing the rafter length
- allowing for a specified pitch and birdsmouth, as required for the cutting pattern, to within +/- 1/16 inch tolerance.

Process/Skill Questions:

- What methods can be used to lay out a common rafter?
- What are the advantages and disadvantages of each method of laying out common rafters?

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.