Which of the Following Steel Stud Wall Assemblies Gives a Higher

Multiple Choice

Which of the following steel stud wall assemblies gives a higher overall R- value? In both assemblies, the total amount of insulation is R- 15.

A) Assembly B has an exterior insulating sheathing of R- 3 and within- stud insulation of R- 12
B) Assembly A has an exterior insulating sheathing of R- 5 and within- stud insulation of R- 10