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

Question

Quizplus · Accepted Answer

Assembly A has a higher R-value for the exterior insulating sheathing, but less insulation within the stud cavity. Assembly B has less exterior insulation but more within-stud insulation, resulting in a higher overall R-value.

Which of the Following Steel Stud Wall Assemblies Gives a Higher