Title: Roofs
Posted: 05/07/2012 09:17 AM
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.
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.