You should have finished Study Session 1 before starting this study session. This session discusses some roofing basics and the general approach you'll take to roof inspections.
This is another short study session. The estimated completion time is thirty minutes.
Objectives
At the end of this study session, you should be able to:
- Define roof pitch and square.
- Describe the four components of the overall goal of roof inspection.
- List nine common roof problems.
Question 1
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Even if you walk on the roof and inspect every inch, there are limitations to your inspection. Explain.
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| Selected Answer: |
1. On a typical roof, at least half the roofing materials are covered.
2. Most of the fastners and flashing materials are covered.
3. You have to look into underside of the roof.
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| Correct Answer: |
On a typical roof, the fasteners and most of the flashing materials are concealed. At least half of the roofing materials themselves are also often concealed. Your inspection is also not complete until you look at the underside of the roof.
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| Response Feedback: | [None Given] |
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Question 2
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Is a sloped roof waterproof? Explain.
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| Selected Answer: |
No. Sloped roof shed water. It functions as a series of umbrealls rather than weather-tight skin.
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| Correct Answer: |
Sloped roofs are not waterproof. They are designed to shed water like a series of umbrellas. They are not designed to control standing water.
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| Response Feedback: | [None Given] |
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Question 3
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It is wise to inspect the roof first from a distance and then up close. What kinds of things do you look at from a distance? How about up close?
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| Selected Answer: |
1. Sagging of the ridge.
2. Dishing of the roof surface.
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| Correct Answer: |
From a distance, look for sagging of the ridge or dishing of the roof surface. Up close, look at the roofing surface itself, focusing on the material condition, flashings and changes in direction.
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| Response Feedback: | [None Given] |
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Question 4
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List 9 common roof conditions you'll find.
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| Selected Answer: |
1. Old
2. Damaged
3. Patched
4. Missing
5. Exposed fasteners
6. Poor installation
7. Vulnerable areas
8. Ice dam potential
9. Multiple layers
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| Correct Answer: |
a) Old b) Damaged c) Patched d) Missing materials e) Exposed fasteners f) Poor installation g) Vulnerable areas h) Ice dam potential i) Multiple layers
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| Response Feedback: | [None Given] |
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Question 5
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What is a dead load on a roof structure?
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| Selected Answer: |
A dead load is the load of the structure and building materials.
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| Correct Answer: |
The dead load is the load imposed on a structure by the building materials. They are permanent loads
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| Response Feedback: | [None Given] |
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Question 6
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What is a square of roofing material?
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| Selected Answer: |
A square is a 100 square foot area of roofing material installed with its intended exposure.
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| Correct Answer: |
A square is the amount of roofing material required to cover 100 square feet of roof surface with the proper material exposure.
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| Response Feedback: | [None Given] |
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Question 7
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What is the fundamental difference in strategy between a flat roof surface and a sloped roof surface?
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| Selected Answer: |
Sloped roof surface relies on gravity and capillary action. Flat roof use a waterproof membrane or skin.
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| Correct Answer: |
Sloped roof surfaces shed water while flat roof surfaces are watertight.
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| Response Feedback: | [None Given] |
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Question 8
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What is the overall goal of the roof inspection?
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1. Identify the roofing materials
2. Check if it is installed properly
3. Check if it is performing properly or is leaking
4. Check if it is near the end of life cycle
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| Correct Answer: |
a) Identify the roofing material b) Determine whether it was properly installed. c) Determine whether it is performing properly or leaking. d) Determine whether it is near the end of its life.
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| Response Feedback: | [None Given] |
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Question 9
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What is the pitch of the roof and how is usually expressed?
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| Selected Answer: |
The pitch is the slope of roof. Use word slope.
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| Correct Answer: |
The pitch of the roof is the slope, usually expressed as a ratio of the rise over the run.
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| Response Feedback: | [None Given] |
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Question 10
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Why can a minor leak be more of a problem than a major one?
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| Selected Answer: |
Minor leak is hard to identify. It probably has already caused damage before it was discovered.
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| Correct Answer: |
A minor roof leak may cause considerable damage before it is noticed.
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| Response Feedback: | [None Given] |
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