Frame a blind valley (i.e., overlay valley).

Framing should include constructing, according to specifications, with the joining surface on side cuts made to within +/- 1/16 inch.

Process/Skill Questions:

• What special cuts are made to rafters to frame a blind valley?
• What are the structural considerations when framing a blind valley?

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.