Gypsum Wall Assemblies

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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.


 

STCSource SideWood StudsInsulationReceive Side
37One 5/8" layer of drywall24" OCNoneOne 5/8" layer of drywall
40One 5/8" layer of drywall24" OCR13One 5/8" layer of drywall
42Two 5/8" layers of drywall24" OCR13One 5/8" layer of drywall
44Two 5/8" layers of drywall24" OCR13Two 5/8" layers of drywall