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A multiple-stud post made up of at least three studs, or the equivalent, is generally used at exterior corners and intersections to provide a good tie between adjoining walls and nailing
support for the interior finish and exterior sheathing (Figures 69 and 70). Corners and intersections, however, must be framed with at least two studs.
69 Multiple stud arrangements at an exterior corner
corner studs three-stud corner
bottom plate
two-stud corner
subfloor gypsum board clip end joist insulation
sill plate foundation
70 Multiple stud arrangements at the intersection of an interior partition with an exterior wall
interior stud attached to stud
polyethylene strip partition stud insulation in spaces between studs
interior stud attached to blocking
bottom plate subfloor end joist
interior stud attached after drywall installation
sill plate foundation