Soundproof a floor: Best (Level 3)

3/4" OSB + Green Glue + 3/4" OSB + 3/8" Serena Underlay

If you are serious about a floor that performs at the highest level, then install two layers of plywood with Green Glue in between and 3/8" Serena™ Underlay to create a floated floor system.

In real life applications, this floor system performs better than any poured gypsum floor at a fraction of the cost.

Add Green Glue + Double 3/4" OSB + 3/8" Serena® Underlay

Note that nail-down hardwood flooring requires a nail base of two sheets of plywood. These two layers are cinched together with short screws. These screws cannot be so long as to penetrate the rubber layer. The finished hardwood floor and nail-base are “floating” on the Serena Mat®.

Additional Resources

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

  • Gluing Serena Underlayment between two layers of plywood offers a real acoustical improvement. Although this is not truly a decoupled floor system, it is the…

  • Add Green Glue and drywall is a very efficient process. Adding Green Glue is the most common soundproofing solution for retrofitting walls assemblies, due to…

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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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