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Author Question: Commercial doors must be guaranteed not to burn for 3 hours. a. True b. ... (Read 66 times)

mydiamond

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on: Aug 28, 2018
Commercial doors must be guaranteed not to burn for 3 hours.
 
  a. True
   b. False

Question 2

Wood doors are much more energy efficient than fiberglass doors.
 
  a. True
  b. False


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kescobar@64

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Reply #1 on: Aug 28, 2018
Answer to Question 1

b, commercial doors must be guaranteed not to burn for 1 1/2 hours.

Answer to Question 2

b, fiberglass doors are six times as energy efficient as conventional wood doors


mydiamond

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Reply #2 on: Aug 28, 2018
Thanks


kescobar@64

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Reply #3 on: Aug 28, 2018
Welcome :)


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