Framing should be performed according to specifications for the following components:

Chimney—Headers must be set plumb, header top must be beveled for slope, and frame must clear chimney by two inches.
Dormer—Lower header must be set plumb and upper header must be set at right angles to the roof slope.

Process/Skill Questions:

Which set of plans contains details on framing a roof opening?
What are the special considerations when framing roof openings?
According to the building code, what tolerance is allowed when framing roof openings?

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.