How to Make a Soundproof Box

As sound often travels in waves, a good trick for sound-proofing is this – trapping those waves. Or, one can deflect these waves until there is a lesser sound inside a confined space.

Today, natural disasters are everywhere. In and out of our homes, they are not difficult to spot. This can have some negative effect on us if taken for granted. If you want to tackle too much noise from various machines and other device around, building a soundproof box will give you a lot of benefits.

In this article, you will learn how to make a soundproof box. It’s simple to build once you understand the clear steps laid down here. Enjoy!

Soundproof Box

Before we begin, make sure that you build a soundproof box is a bit larger than your device. If you want to build a box for a small device, you can use any metal frame you find around you, building a plywood box is cool for this purpose too. A big device will requires bigger frame.

A box built with cardboard too is fine, especially if your device works with lower sound.

Below are steps you can take to build a big soundproof box; a type that can lower that sound of a generator.


Step 1 - Take Measurements for Sizes

This is the first step, and very important. Your items come in different sizes. Take up necessary measurements; you need to pay attention to every angle. Before you begin cutting, take your time and be certain with your measurements.

Write down what you measured, adding extra inches to every side you measured. This aspect is very important because you will need extra space for ventilations and insulation thickness.

When all these are done, it’s time to get to work of reducing the noise of your device.


Step 2 - Cut out the Box

Now that you are done with the measurements, it’s time to cut your material. Here, we will be using a fiberboard. A medium density fiberboard is way more effective. You can use other materials like the normal plywood, if that’s you can find around. It’s time to begin cutting.

Before you cut, take a pencil and a right-angled ruler to mark your taken measurements on the fiberboard. When you are finished, carefully marking the measurement, you can begin cutting.

To cut, a circular saw is effective. So is a table saw. Anyone you choose, make sure to go with the flow of those labels marked on the fiberboard. When you are done cutting the fiberboard, move to the next step.


Step 3 - Including Holes for Ventilation

Putting into consideration proper ventilation is required in order to make a soundproof box – a very effective one. Now, you will need to have a ventilation duct.

Measure the diameter of your ventilation duct. When you are done with this, mark few circles on your fiberboard – two marks for the ventilation duct.

Place one mark at the top of the fiberboard, more to the side – not to the center of your board. The second mark will be on the fiberboard. It will be used as a wall. Make sure you place it just opposite the top hole of the first mark.

After all these are done, lay flat the fiberboard on the table – the wall which is the one with the second mark. Then put the other one in the center, surrounding it with the rest.


Step 4 -Add Layers for Insulation

Layers play major role in soundproofing – in fact, this is the first rule. And here, we are talking about layers of all kinds – of materials, of sound gaps, and of free space. Layers are important for good result.

For example, the layers of free space will allow some room sound to scatter. A good material to use is the mass loaded vinyl. It is very useful, so you will need it.

Irrespective of the soundproofing you are going for. Be it for the ceiling of your apartment or the wall shared with a loud neighbor, it will always come back to the first layer. That’s what you want to soundproof.

To do this, simply mark the measurements of your devices’ quite box. Now cut the mass loaded vinyl you have to a size that fits it. Then clue glue it directly – inside, by the side of your boards.


Step 5 - Caulk the First Layer Made

To get more practical, you may find it a bit difficult to glue down some edges. It may appear like a weak hold. In order to tackle this little challenge, the green glue caulk is very effective. This kind of glue is acoustic, if you don’t know. So it has a lot to offer here.

The regular caulk can be used too. It’s just that it may not be that efficient.


Step 6 - Glue the Foam Mat Layer

This is process is about adding another layer. This time around, we shall add those ceilings and walls that will serve the soundproof box you are building. The layer is made up of foam mats –very soft in nature. This will prevent sound to go around bouncing off the wall of the soundproof box, helping in reducing noise.

The additional layer foam mats provide is often handy when you want to soundproof anything. It’s that simple, you just add more layer like this when you want lesser sound.

Again, use the mats and mark the measurements you have for the ‘ceilings’ and ‘walls’. Now, cut them following their sizes.

When you are done cutting, glue those mats, just directly the vinyl layer you already had. Repeat the same process with the edges, with the acoustic green glue caulk. This process is a fine touch to the interior of your box.


Step 7 - Time to Put Box Together

This is where you need to gather every piece together, in other to put them in your enclosure box. First, you have to arrange the ‘walls’ close to the ‘ceiling. Then attach them together with screws or nails.


Step 8 - Install Your Venting Duct

This is the final step. Install the venting duct, for good flow of air. Put the hoses into the holes prepared.

As you have seen, learning how to make a soundproof box is not hard. Have fun building one.

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