SPC Solution 3 – Double Stud Wall

Double Stud wood stud wall with Green Glue on both sides


Double Stud Wall Assembly

Double Stud framing is the most effective way to decouple a wall. Best at Low Frequency isolation, the Double Stud wall also offers a structural wall to hang very heavy elements such as cabinets, equipment, speakers, etc.

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Wood Framing Assemblies

25 GA Steel Framing Assemblies

  • Soundproofing Walls - Solution 3 - Steel Double Studs with Green Glue both sides
  • Green Glue on Source Side - STC 72
  • Acoustical Reference - STC 64

25GA Steel Framing

STC Source Side Framing Gap Framing Receive Side Report
74 Double layer of 5/8" Gypsum (Type X) with Green Glue 58OZ per 4'x8' sheet 25GA 2"x4" Steel Studs 24" OC R13 Fiberglass 1" 25GA 2"x4" Steel Studs 24" OC R13 Fiberglass Double layer of 5/8" Gypsum (Type X) with Green Glue 58OZ per 4'x8' sheet
73 5/8" Gypsum (Type X) Double layers 5/8" Gypsum (Type X) with Green Glue 58OZ per 4'x8' sheet TL 93-301
70 Double layer of 5/8" Gypsum Double 5/8" Gypsum (Type x) TL 93-302
68 Double layer of 5/8" Gypsum Single layer of 5/8" Gypsum
64 5/8" Gypsum (Type X) Double 5/8" Gypsum (Type x)
61 5/8" Gypsum (Type X) Single layer of 5/8" Gypsum

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Wall Type Comparison

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STC Source Side Wood Framing Insulation Receive Side Solution
71 Single layer of 5/8" Gypsum Double Stud 24"OC  R13 Two layers 5/8" Gypsum + Green Glue 58OZ per 4x8 + 7/8"  Drywall Furring Channel + IB-1 Soundproofing Clips SPC 3
67 Two 5/8" layer of Gypsum Single Stud 24" OC R13 Two layers 5/8" Gypsum + Green Glue 58OZ per 4x8 + 7/8"  Drywall Furring Channel + IB-1 Soundproofing Clips SPC 2
52 Single layer of 5/8" Gypsum Single Stud 24" OC R13 Two layers 5/8" Gypsum + 58OZ per 4x8 sheet SPC 1
53 Single layer of 5/8" Gypsum Single Stud 24" OC R13 Two layers 5/8" Gypsum + 7/8" Drywall Furring Channel @ 24" OC + IB-1 Clip View
45 Single layer of 5/8" Gypsum Single Stud 24" OC R13 1/2" Gypsum + MLV + 1/2" Gypsum View
42 Single layer of 5/8" Gypsum Single Stud 24" OC R13 Two layer of 5/8" layers of Gyspum View

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Installation

double-stud-wall-diagram-1

SPC - Wall Assembly Solutions


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