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Author Question: What is the major problem with using wall cavities for ductwork? A) air moving through a wall ... (Read 47 times)

awywial

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on: Jul 27, 2018
What is the major problem with using wall cavities for ductwork?
 
  A) air moving through a wall cavity makes a lot of noise
  B) Installing registers and grilles on wall spaces used for ducts is difficult
  C) Using a wall cavity is generally less convenient than running ductwork
  D) It is nearly impossible to make the cavity air tight

Question 2

There are many methods of insulating metal ductwork. Which of the following methods is NOT used to insulate ducts
 
  A) Bubble outer wrap or liner B) Fiberglass liner
  C) Spray on urethane foam D) Fiberglass outerwrap with vapor barrier


mcarey591

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


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awywial

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


mcarey591

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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