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Title: Roofs
Category: Carpentry General
Description: Roof framing
Read module 68108-09 Roof framing and answer the following questions:

1. Describe the difference between a hip roof and a hip and valley roof


2. The typical roof type found on older barns is called a

3. Describe the following types of rafters:
    Hip jack
    Valley jack
    Common
    
4. What is the overhang rafter called

5. Which of the following does not have a birds mouth cut   hip  jack rafter or valley jack rafter

6. Define span

7. Define unit rise

8. Define pitch (blue box on pg.8.5) 

9. What is the purpose of a collar tie, how often are they installed

10. Why is it neccesary to know ridge board thickness when determining rafter length

11. When do we vent roofs

12. Some trusses require rigging to move them, what lengths require rigging?

13. How are metal trusses installed, how are they fastened to the building.
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