Question

Vertical structural members that exterior wall sheathing and siding may be attached to are called:

Answer 1

The vertical structures that exterior wall sheathing and siding are attached to are called "studs," and in basic wood construction are comprised of 2 x 4 lumber.

Answer 2

The answer is wall studs. These are panels act like framing elements in your house, backing-up the walls. They're expansive either 16 or 24 inches on-center. These are measured center to center and beside the wall and run between the flooring and ceiling.