Gypsum Wall Assemblies

standard-wood-wall-banner


Standard Wall Assembly:

This is a standard stud wall, only with 24” OC studs. 16” OC studs are far more common in residential and commercial construction. As you can see below, a 16” OC wall performs poorly.


 

STC Source Side Wood Studs Insulation Receive Side
37 One 5/8" layer of drywall 24" OC None One 5/8" layer of drywall
40 One 5/8" layer of drywall 24" OC R13 One 5/8" layer of drywall
42 Two 5/8" layers of drywall 24" OC R13 One 5/8" layer of drywall
44 Two 5/8" layers of drywall 24" OC R13 Two 5/8" layers of drywall