Title: Lay out 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 Standards

Level One, Module Seven (27112-13): Ceiling and Roof Framing

Module Seven (27112-13) provides an overview of ceiling and roof framing, including the components of ceiling and roof framing, the different types of roofs used in residential construction, and the use of trusses in basic roof framing. The methods for laying out rafters, erecting a gable roof, framing a basic gable end wall, and installing roof sheathing are introduced. It also provides instruction on how to estimate the amount of materials needed for a material takeoff for a roof.