AUTRY TECH DRAFTING/DESIGN

Read Chapter 17 page 301. Answer the question below and enter it into OPEN LMS under 3A07

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1. The least expensive type of roof to construct is the _____ roof.

 

2. A shed roof may require a built-up roof unless the pitch of the roof is over _____.

 

3. The _____ roof type is used a great deal on barns.

 

4. It is good practice to use one of the standard roof _____ or slopes when designing a roof.

 

5. The cornice forms on two sides of a(n) _____ roof.

 

6. In _____ cornices, rafter ends are exposed and generally tapered or curved to eliminate bulk.

 

7. The  soffit board is nailed to the under side of the rafter in a _____ box cornice.

 

8. Wide box cornices without lookouts have _____ soffits.

 

9. The span of a gable roof past the end wall of the dwelling is the _____, or gable end.

 

10. The W-type truss, the _____ truss, and the scissors truss are generally used in residential construction.

 

11. Two results of a well-ventilated attic are less _____ build up to cause damage to the under side of the sheathing and a cooler house in the summer.

 

12. The width of the valley flashing is dependent upon the slope of the roof and should be a minimum of _______ wide.

 

13. Gutters are commonly made from galvanized sheet metal, aluminum, _____, __ and copper.

 

14. Plywood sheathing should be placed with the _____ perpendicular to the rafters.

 

15. A moisture barrier is required between the sheathing and the shingles. Generally, building paper of 15-pound, saturated _____ provides this barrier.

 

16. _____ is required where any feature , such as a chimney or section of a wall, pierces the roof.

 

17. The area of the roof that includes the overhang forming a connection between the roof and side walls is called the _____ .