It is pertinent to note however that stc is an average value for frequencies from 125 hz to 4000 hz.
Soundproof concrete wall.
Sound waves need a continuous medium for traveling and concrete provides that as they are joined.
Combine the innovative technology behind the outdoor sound barriers and the durability of precast concrete and you can see why our highway sound barriers are as popular as they are.
Practical methods of soundproofing concrete walls 1.
These soundproof wall panels are securely joined by a tongue and groove connection.
There is also drywall specially made for soundproofing.
Fitting a layer of drywall on the already existing wall can go a long way in achieving a.
It s sturdy and provides withstanding use over long periods of time.
How soundproof is concrete.
If you have bare concrete walls they can greatly benefit from soundproof drywall.
When you tap on your walls a concrete wall will not echo nor be easy to move or impact.
That is why most home theater owners frame an extra 2 4 wall covered with drywall over the existing concrete wall.
This added thickness and texture is better at blocking sound coming from either direction than a flat bare concrete wall.
Concrete also boasts versatile properties that make it well suited for many different environments and surroundings.
Though a concrete wall has a good stc it performs very poorly at low frequencies and that is not what we want in a home theater.
Concrete is the standard building material for a reason.
Adding drywall creates an air gap between the drywall and the concrete and this is what provides the soundproofing.
The width and height of sections are variable depending on the noise barrier wall application.
This air gap between the interior and exterior wall is actually what stops sound from passing through.
Add a layer of drywall.