Vinyl Composite Barrier
There is an approach you can take for creating a floor based sound barrier where you can take our sound barrier vinyl (typically called mass loaded vinyl or MLV) and laminate it to a 1/4″ foam mat and create a sound barrier composite. This added foam layer helps to dampen impact and structural noise, while the MLV controls mostly airborne noise.
This composite is used as both a barrier/absorber material and for vibration control. The foam side needs to be installed against the vibrating surface. All seams need to be caulked with a non-hardening caulking to prevent sound from passing through the cracks.
This is a product for floor underlayment where noise is transmitting up through the floor from the room down below and for reducing impact noise.
Use the same techniques as used in the installation of mass loaded vinyl of second story floors as discussed here, but with the addition of the foam layer. Also, a modification of this approach is to glue it face down as a floor substrate prior to carpeting.
- Common walls
- Placed over drop-in ceiling systems
- New construction/between studs
- Under carpet and floors to lower sound transmission
Additional Online Resources That May Be Useful
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