You should have finished Study Session 9 before starting this study session. In this study session we talk about wood shingles and shakes and how they wear out. Remember all the general roofing problems we discussed in 1.0 General Strategies still apply.
The estimated completion time is forty-five minutes.
Objectives
At the end of this study session, you should be able to:
At the end of this study session, you should be able to:
- Explain what causes wood roofs to wear out.
- Discuss maintenance approaches for wood roofs.
- Name wood materials used other than cedar.
- Discuss problems unique to wood roofing.
Question 1
In what part of the roof are missing shingles or shakes most likely?Selected Answer: Ridge or hip shingles or shakes are most likely to be missingCorrect Answer: Hips and ridgesResponse Feedback: [None Given] Question 2
List 8 things that make wood roofs more likely to rot.Selected Answer: 1. Wet climate2. Low-slope3. Shaded areas, including by overhanging trees4. Debris on roof5. Mold, mildew and moss on roof6. Solid sheathing7. Felt underlay8. Low quality materialsCorrect Answer: Wet climates Low slope Shaded areas Debris on roof Mold, mildew and moss on the roof Solid sheathing Felt underlay Low quality materialsResponse Feedback: [None Given] Question 3
What are 4 things that cause cupping, curling and splitting?Selected Answer: 1. Uneven drying, resuling from solid sheathing or felt underlays2. Shingles or shakes that are too wide (more than 8 inches)3. Excessive nailing or re-nailing of shingles that have curled or cupped to flatten them out4. Low quality materialsCorrect Answer: Uneven drying Shingles or shakes that are too wide Excessive nailing or renailing of the shingles Low quality materialsResponse Feedback: [None Given] Question 4
What is the advantage of open or skip sheathing?Selected Answer: it could prevent wind-driven rain or snow entry and breathe enough to promote back-drying of the roofingCorrect Answer: Improved drying of the shakes or shingles.Response Feedback: [None Given] Question 5
What might you say about a moss covered roof?Selected Answer: Until the moss is removed, it's difficult to be certain about the conditon of the roofCorrect Answer: Moss promotes rot and the condition of the roof cannot be determined accurately until the moss is removed.Response Feedback: [None Given] Question 6
What roofing materials can be used to imitate wood?Selected Answer: 1. Asphalt shingles2. Fiber cement shingles3. Hardboard products4. Concrete shinglesCorrect Answer: Asphalt shingles Fiber cement shingles Hardboard products Concrete shinglesResponse Feedback: [None Given] Question 7
Why should leaves and other debris be removed quickly from wood roof surfaces?Selected Answer: They hold water and promote moss growthCorrect Answer: These hold water and promote moss growth.Response Feedback: [None Given] Question 8
You should recommend replacement when what % of the wood roof needs repair?Selected Answer: More than 10 to 15Correct Answer: 10 to 15%Response Feedback: [None Given]
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