Soundproof a wall: Basic (Level 1)

Soundproofing Walls - Steel Stud - Solution 1

Adding Green Glue and drywall directly to the existing drywall is common, however not as high performance as a decoupled Soundproof Clip Wall. Install on wall that have 24" O.C. framing. Green Glue is recommended over MLV, Resilient Channel, Soundboard, etc...

The Single Stud Wall with Green Glue

This wall is the least preferred, as it offers no decoupling - both sheets of drywall share the same stud. With the more common 16” OC framing, this wall is only effective at dropping mid and upper frequencies. This is not a solution when Low Frequency bass is an issue.


This wall will perform better with 24” OC studs, and / or 25 gauge steel studs.

While this high STC wall variant looks great on paper, it has drawbacks. The wide, 24” spacing of a very flexible 25-gauge steel makes for a very “soft” wall that is more easily dented and deformed.


Green Glue Transmission Loss Testing


Soundproofing Walls with Green Glue Study - 24OC


STC Source Side Studs Insulation Receive Side
56 2 layers 5/8" Gypsum + 58oz Green Glue per 4x8 sheet 24" OC R13
52 24" OC R13 1 5/8" layer of drywall

Additional Resources

  • 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…

  • While improvement in sound dampening is gained, this is the least effective of our recommended solutions. The subfloor above is untreated, and the drywall on…

  • Using Serena™ Underlay helps to decouple the floated floor from the original subfloor, reducing the sound traveling to the room below.

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The Soundproofing Company wants to make sure your job is done right the first time; that's why it's so important that we talk before you purchase anything. These consultations are part of our service and are offered at no cost to you.

We have the lab reports, materials, diagrams, SIMS (Soundproofing Installation Manuals) and experience and you need.


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