Question 1

Explain the difference between thermosetting and thermoplastic roof membranes, and give at least one example of each. How does the difference between the two types influence the sealing of lap seams between adjacent membranes?

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Question 2

What are the functions of a roof cover board? Explain.

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Question 3

What is a roof cover board and what material is it made of? Explain.

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Question 4

Explain what a cool roof is, and state its advantages and limitations.

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Question 5

With the help of a sketch, describe a protected membrane roof.

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Question 6

Using sketches, explain the anatomies of the following roofs. Show how the insulation and roof membrane are attached.
a. Steel deck, rigid board insulation, and built- up roof membrane
b. Reinforced- concrete deck, rigid board insulation, and SBS- modified bitumen membrane
c. Steel deck, foamed- concrete insulation, and built- up roof membrane
d. Concrete deck, rigid board insulation, and loose- laid, ballasted single- ply membrane

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Question 7

List and briefly explain the life- safety issues in roofing design.

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Quiz 33: Roofing-I Low-Slope Roofs