Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [structural elements and components for structural elements]
8. structural elements
9. enclosing structural elements
10. [roofs and roof components]
11. roof components
12. roof frame components
13. rafters

Narrower term/s

• valley jacks

Anotations

Scope note:

Rafters that do not extend from the roof plates to the ridgeboards; employed in hip roofs to reach from roof plates to hip rafters. For rafters spanning between valley rafters and ridgeboards, use "valley jacks." Rafters that do not extend from the roof plates to the ridgeboards; employed in hip roofs to reach from roof plates to hip rafters. For rafters spanning between valley rafters and ridgeboards, use "valley jacks."