How to build a soundproof partition wall

This article will teach you all you need to know about building a soundproof partition wall. After reading this blog, you will have a good idea of how to substantially reduce sounds and noises by making a soundproof partition wall without spending a fortune or wasting time.

If you’re thinking of putting up a partition wall in your home, make it a soundproof one. A soundproof space cannot be created only using a partition wall. You may dramatically minimize the level of noise that emanates from the space beyond the divider by employing simple building techniques.

How to build a soundproof partition wall?

We can soundproof a partition wall in the following ways which will help to reduce noise and enhance the acoustics of the room. Here are some of the most effective methods to soundproof a partition wall

  • Glue down an extra coat of drywall
  • Try putting a coat of Mass Loaded Vinyl on top of the wall
  • Add some soundproof foam panels
  • Paint the walls
  • Put a layer of Soundproof Fabrics on top of the wall
  • Apply Acoustic Wallpaper to the partition wall

The Science of Soundproofing

We have to learn more about soundproofing before we could plan to build a soundproof partition wall.


This one is pretty self-explanatory. Sound absorption increases as density increases. The thing is, to make a significant effect, it has to be quite dense, thus merely providing a level of drywall to an existing wall would only result in a minor reduction in sound transmission.

Sound absorption

Any type of insulation in the cavity of a wall will assist absorb some noise, but it will not trap low-frequency signals. This is most beneficial when the walls are decoupled, as the impact of the soundproofing will be minor if studs are joining the two walls.


It is the transfer of sound through the vibrations of solid objects that are coupled. Because conduction is the most efficient method of transmitting sound, any wall with drywall directly attached to the studs on either side would never function well. Sound can also travel through indirect paths, primarily via conduction, which is referred to as surrounding noise.

Mechanical Decoupling/Isolation

One of the most efficient ways to counteract conduction is via mechanical decoupling/isolation, and that is why the most effective soundproof walls are entirely decoupled, with no clear route for sound to pass. 

Decoupling a wall will aid with the propagation of semi frequencies noise but will enhance resonance and noise transmission at lower frequencies if not used in conjunction with other soundproofing concepts, so it must be used in conjunction with other concepts to be successful.

Lowering the wall’s resonance frequency

 Make sure there is plenty of mass in each wall and provide insulation/plenty of air in between to reduce the frequency at which the wall likes to resonate. Only the deepest frequencies will vibrate through the wall if the resonance point is pushed low enough.


 This is any method of lowering resonance by collecting or redirecting sound, and it can help a lot with resonance and conduction. Green glue is by far the most effective soundproofing solution available and based on all of the specifications I’ve read, it’s certainly the best and most effective soundproofing component of my wall.

The simplest technique to soundproof a partition wall is to add a lot of mass along either side of it to divert the sound. Tearing it down and fully rebuilding it with the explicit aim of soundproofing is by far the most effective method

Seal properly all cracks and outlets 

Sound waves will immediately seek any weak points in the walls or surface through which they can pass. If there are any outlets or cracks in the wall, particularly near windows, dead air is created, which facilitates noise leakage.

Use a blow-in insulation system

When you add a layer of blow-in insulation to the space in your partition wall, it immediately improves its acoustic absorption potential. The substance used in this insulation method captures small air pockets and reduces sound waves’ capacity to transmit, effectively cancelling any noise that might otherwise hit the other half of the partition wall.

Glue down an extra coat of drywall

One of the fundamental concepts of soundproofing is to provide mass to both sides of the wall. One of the most cost-effective techniques to do this is to double down on your drywall. The denser the drywall, the less likely sound will pass.

Acoustics will be reduced by adding mass to the wooden structure. Soundproof drywall and dampening compound, such as Green Glue, are excellent for reducing both airborne and impact noise.

Soundproof drywall is an excellent way to bulk up your walls. They’re also reasonably priced. This sandwiching damping method can be applied to both ceilings and walls to generate soundproofing.

The steps to accomplish so are as follows:

  • Remove the old drywall to reveal the studs and cavity in the wall.
  • Attach the robust clips to the studs with screws.
  • To boost absorption and prevent resonance, fill the space with mineral wool insulation
  • Using screws, secure the hat channels to the robust clips.
  • Install the new drywall sheets and use acoustic caulk to fill any gaps with sealant.

You can do the same thing with the ceiling and the floor. You’ll need to use somewhat different materials for the ground.

Materials NeededTools Needed
mineral wool insulationMineral wool saw
acoustic caulkCaulking tools
Green Glue Noise proofing Compoundcaulking gun.

Try putting a coat of Mass Loaded Vinyl on the wall

Mass loaded vinyl is a soundproofing substance that comes in the form of rollout strips. They incorporated metal particles into this material throughout the production process to give it a high density and significant soundproofing properties.

This will stop vibrations from escaping into the neighbouring room if placed between two layers of drywall. It’s an extremely efficient way to absorb or dissipate any sound source.

How to apply mass loaded vinyl?

Hang mass loaded vinyl

MLV can be mounted directly on the wall, however, it works best when wedged between drywall sheets. Because the generally black, shiny MLV isn’t the most decoratively pleasing surface, doing so gives you more aesthetic possibilities!

Paint mass loaded vinyl

MLV comes in two colours: grey and black and is accessible to retailers. If that’s not enough, you’ll be pleased to learn that Mass Loaded Vinyl is paint-friendly. Latex paint is the ideal choice for coating MLV, and you can always get it repainted if you’re unhappy with the results.

Materials NeededTools Needed
Mass loaded vinylEwrap Vinyl Wrap Tools Set

Add soundproof foam panels

The most effective approach to dampen sound waves is to use a soundproof foam panel. They’re designed to create clear recording situations, but they can also be used to soundproof a partition wall. Soundproof foam panels are very inexpensive and exist in a variety of sizes, colours, forms, and densities.

Some are constructed of fibreglass and are much more effective than conventional acoustic foam panels. These acoustic panels are simple to install. The majority of them already have.

Another advantage of these foam panels is their ease of maintenance. If they’re unclean, all you have to do is clean them and they’ll look brand new.

How to install Acoustic Panels?

Soundproof acoustic panels should be installed using the soundproof adhesive method, which I suggest.

  • The first step is to sand the surface where your acoustic panel will be mounted. This equalizes out the surface, making it more receptive to the adhesive’s bonding capability. Any sandpaper with a high grit will suffice. Make sure to clear up any dust and debris after sanding.
  • Mark the place where you’ll be installing your panel with a straight-edge leveller and a pencil. This will ensure that your panels are straight after they’ve been hung.
  • The levelling brackets that come with the kit will then be screwed onto the top flange. This will ensure that your panels are installed correctly on the wall.
  • Apply adhesive to the acoustic panel’s back. Begin by applying a line of glue down the panel’s perimeter, about two inches from the edge. Now, using the adhesive, create an “X” to split the rectangle into 4 equal halves. In these parts, place a 2- to 4-inch circle of glue.
  • The final step is to hang the panel on the wall and wait for the adhesive to dry, which should take approximately a day.
Materials NeededTools Needed
soundproof foam panelAcoustic caulking adhesive straight-edge leveller

Paint the walls

There are soundproofing paints available. You can remodel your home by putting a coat to either side of a partition and applying a new coat of paint. However, you’ll have the additional advantage of a soundproofing layer.

Despite its thickness, this paint is as easy to apply as any other standard paint. They can prevent noise out of your home, whether it’s inside or outside.

Materials Needed
soundproofing paints

Put a layer of Soundproof Fabrics on top of the wall

Sound waves can be absorbed by hanging a dampening blanket or drape on one side of the wall. These may easily be put on a track system that spans the length of the wall, allowing them to open and close as needed. 

curtains are far more appealing than blankets, so put the blanket in the back and hide it with a curtain at the front. It performs the same core task by absorbing or dampening sound waves before they travel through the partition.

Materials NeededTools Needed
curtainsA piece of cloth

Apply Acoustic Wallpaper to the partition wall

One alternative for an acoustic partition wall is wallpaper. This is a comparatively new product on the market that is gaining popularity mostly due to its low cost and ease of installation.

However, because wallpapering may be aesthetically beautiful, many more individuals are attempting to minimize the amount of noise entering and exiting rooms by simply putting a layer of soundproof wallpaper to partitions.

Materials Needed

To build a partition wall, simply follow the instructions below

Choose a location

After you’ve chosen a place for the partition wall, marked and measured for it, and framed it, you’ll need to seal the divider wall’s edges with an acoustic roof and weave soundproof blanket insulation among studs to assist dampen or reduce the amount of noise that can flow through it.

Caulk the Wood Along with the Support Wall Next to It.

Create a seal with the caulk gun and acoustic sealant to keep sound out of the spaces between the nearby foundation wall and your newly soundproof partition.

Along the upper plate and ceiling line, put acoustic sealant.

You should also use the caulking gun to lay acoustic sealant along with the piece of lumber that will be your initial top plate. Again, don’t use too much soundproof sealant; only use enough to fill voids left by warps or bending in the boards.

In between the studs, weave the Acoustic Wrap Insulation.

It’s crucial to take your time weaving the acoustic blanket insulation between the walls and considering where the drywall will be laid later. Take a couple of minutes to imagine how the drywall will be placed before you begin weaving the soundproof blanket insulation. 

Acoustic blanket padding must be laid behind the studs that are edged on the face of the frame that you’re facing, as well as in front of the studs where the drywall would be placed on the other side of the partition.


Never assume that a soundproofed partition wall is the sole spot in the room where sound or noise can intrude. Sound waves will freely enter true for how many weeks, but they will be discovered.

So, to avoid the annoyance of sound, look for any spaces in your room where it might enter and seal them, as well as put a layer on your partition wall. We hope that this blog was useful in answering the topic, “How to Soundproof a Partition Wall?”

Frequently Asked Questions (FAQs): How to soundproof a partition wall?

What is the cheapest way to build a sound-proof room divider?

Plywood panel with a thick coating of Styrofoam on top. Square egg cartons were attached butt to butt on top of the Styrofoam, leaving no gaps. Whether there are any gaps, cover them with non-expanding material.  To get the best results, treat both ends the same way, i.e. egg cartons over Styrofoam. It will appear unsightly, but it is the most cost-effective and efficient method.

How to soundproof a 2×4 wall?

Just insulate the wall well and use a double layer of 5/8″ rock to assist soundproof the wall will go a long way. Squirted foam insulation has excellent audio numbing characteristics than batts and fully closes the stud cavity when placed.

What is the best way to soundproof an inside wall?

To filter and soak sounds that generally travel through space, use sound absorption between stud frames. When dampening stud walls or solid brick walls, we propose using DFM sound-absorbing slabs inside any cavity. Utilizing AcoustiClip, you may improve the isolation of your walls.

How thick do soundproof walls have to be?

A conventional stud wall, consisting of two sheets of drywall with an air cavity 5 to 6 inches thick, is sufficient to create a soundproof wall. A concrete block must be at least a foot thick to be soundproof.

What is the best way to attenuate sound between rooms?

Fabric placements include: Sound can be absorbed and transferred more effectively with the use of drapes or wall hangings. Add pillows to your furniture as well – the more the merrier, as long as they don’t get in the way. Drop ceilings: If your office has drop ceilings, you can use insulation to help limit sound transmission by placing it above the ceiling panels.

Is it true that concrete walls absorb sound?

A standard concrete barrier wall will not reduce the amount of noise that is reflected. Because a concrete wall is solid, nothing can pass through it. When sound waves collide with the wall, they bounce off in different directions. Simply put, the wall causes a sound to reenter the environment at a different direction or angle than when it first entered.