Engineering, 09.02.2021 17:30 miagiancarlo

Total R-Value The R-values of any two or three materials can be added to determine the total R-value (R.).
11) Find the total R-value for the walls below.
a) Calculate R, for Wall A.
b) Calculate R for Wall B.
c) Which do you prefer and why?
Wall A
Wall B
Outside: Concrete Block (4") Outside: Brick (4")
Middle: Cellulose in Wall (1") Middle: 1" air space
Inside: Plywood (5/8")
Inside: Plywood (5/8")

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Total R-Value The R-values of any two or three materials can be added to determine the total R-va...