Exterior wall sheathing cannot be left exposed as an exterior building surface.
Option: (d)
Explanation:
Exterior wall sheathing is either structural or non-structural. Exterior wall sheathing enhances the wall system, provides a nailing base for the siding, and provides a layer protection against outside elements.
Structural exterior wall sheathing is used to making the walls resistant to twisting and bending, framing studs together.
Non-structural exterior wall sheathing is used to envelope the building’s and provide added insulation.
Non-structural exterior wall sheathing prevents intrusion of either wind or water and it acts as a radiant barrier. There are several structural and ‘non-structural exterior wall sheathing’ options are available in home and commercial buildings.
