Roofing Inspection Section#2 Steep Roof Flashings Quiz#3

You should have finished Study Session 2 before starting this study session. This study session discusses conditions commonly found on valley flashings.

The estimated completion time is thirty minutes.

Objectives
At the end of this study session, you should be able to:

• Identify the common valley flashing problems and their causes.
• Describe how to identify these problems during an inspection.

• Question 1

  Needs Grading

  	List as many installation problems as you can.
  	Selected Answer: 1. The flashing is cut too short at the eaves 2. The base flashing is missing 3. Fastners are exposed 4. The valley width is uniform over the length of the valley 5. The points are not cut  6. There are long runs of metal without joints, subject to buckling 7. There is no upstand on a metal valley flashing 8. The shingles have not been sealed with asphalt at the valley 9. Wood shake and shingle joints are broken into the valleys 10. A closed cut valley does not have the overlaying shingles trimmed back two inches from the centerline. 11. Individual asphalt shingles or wood shingles or shakes are used on closed valleys.  Correct Answer: - The flashing is cut too short at the eaves - Base flashing is missing - Exposed fasteners - Uniform valley width - Uncut points - Excessive lengths of metal without joints - Missing upstand (splash diverter) - Shingles not sealed with asphalt at the valley - Wood shake and shingle joints are broken into the valley - Closed cut valleys do not have the shingles trimmed back two inches - Individual shingles are used on closed valleys Response Feedback: [None Given]

• Question 2

  Needs Grading

  	Several typical valley flashing conditions were listed at the beginning of this section. Give at least three.
  	Selected Answer: 1. Torn or worn 2. Rusted 3. Patched 4. Installation problems Correct Answer:   - Torn or worn - Rusted - Patched - Installation problems Response Feedback: [None Given]

• Question 3

  Needs Grading

  	What are the implications of a valley flashing problem?
  	Selected Answer: Leakage Correct Answer:   Leakage Response Feedback: [None Given]

• Question 4

  Needs Grading

  	What is the best spot from which to inspect the installation of the valley flashing?
  	Selected Answer: At the eaves Correct Answer:   From the eaves Response Feedback: [None Given]

• Question 5

  Needs Grading

  	Why should you never walk up a roll roofing valley?
  	Selected Answer: The rool roofing doesn't sit tightly against the sheathing in the valley, it is easy to put your foot through a valley flashing.  Correct Answer:   Walking up a roll roofing valley can tear the valley flashing. Response Feedback: [None Given]