The Ultimate Guide To Soundproofing A Room

The Ultimate Guide To Soundproofing A Room

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Soundproofing can be an issue that affects all types of homes. It doesn’t matter if you live in a high-rise apartment or a large suburban home, soundproofing may be necessary to address interior noise such as noisy kids or loud neighbours or exterior noise such as traffic. The good news is, soundproofing a room doesn’t have to be an expensive endeavour! 

There are plenty of things you can do to soundproof your room, all at an affordable price. The first thing you’ll need to decide is whether you need to soundproof your room from the inside or against outside noise. Once you know what you need, try out our tips below to have your space soundproof in no time!

The Ultimate Guide To Soundproofing A Room

Which rooms need soundproofing?

There is no clear-cut answer for which rooms need soundproofing and which don’t. Instead, it’s up to you to decide which rooms in your house require soundproofing. Most rooms will be more comfortable to inhabit with added soundproofing, but you may have other concerns such as budget or time constraints.

Cheap ways to soundproof a room

Soundproofing foam

You can find soundproofing foam for a relatively low price. The best news is that you can usually find soundproofing foam in a variety of colours, adding a nice aesthetic touch to your room.

Adding furniture or decor

As simple as it sounds, adding furniture or decor to your room can help absorb sound. Sound bounces off hard surfaces such as hard flooring or blank walls. Add more furniture to help absorb this sound and keep your room peaceful and quiet.

Using curtains or window treatments

Use curtains – they can act as a great visual barrier for nosy neighbours and are also great at sound dampening. Plush, thick drapery helps to absorb extra sound from the outside as well as unwanted traffic noise. Consider using specialised noise-reducing curtains to stop the noise, and double as blackout curtains which keep out sunlight – helping you get a better night’s sleep! If all else fails, you might want to consider upgrading to window inserts.

They are custom-made, clear glass panels that mount to the inside of existing windows and are very effective at blocking out noise. However, this option requires a significant investment which may not be ideal if you are on a tight budget.

Add area rugs

Thick area rugs can help mask sound coming from lower neighbours if you live in an apartment. Add a pad under the rug to enhance the sound masking without taking up additional space.

Door weather stripping

Although interior doors don’t typically have weather stripping, adding some around the doorway’s perimeter can help muffle sounds. Peel and stick foam rubber weather stripping forms a tight seal and is affordable and easy to install. Felt is one of the most common weather-stripping materials, and it comes in rolls either with or without adhesive backing. Use an under-the-door draft stopper to seal off the gap along the floor and help improve soundproofing.

Add upholstered furniture

Add additional furniture to help absorb unwanted noise. This helps to keep the noise from bouncing around the room as much. However, if you don’t have enough room for more furniture, adding thick blankets or plush throw pillows can also help.

Hang acoustic panels

Although they cost a little extra, hanging acoustic panels is a great way to absorb unwanted sounds. They are easy to install and even come in different colours to match the colour scheme of your decor. Place the panels on the opposite wall of the sound source for maximum absorption.

For a little extra cash, you can find large acoustic panels which can be installed with heavy-duty hardware or flush-mounted z-clips. You can use these independently or connect them to make a single large panel.

Build a bookcase

Good news for bookworms! Bookshelves can help keep a room quiet. This is because shelves filled with books create mass, which absorbs sound. Make sure that your bookshelf extends all the way from the floor to the ceiling and fill it with plenty of books and magazines.

Absorb vibrations

Vibrations transmit noise. If you have any booming pieces of machinery or equipment such as speakers, appliances, stationary bikes, and treadmills, noise is transferred to adjacent rooms. To dampen the vibrations and help keep the room quiet, place the equipment on a piece of dense foam rubber such as a home-gym floor mat.

Soundproof a room for free using blankets

If you don’t have the budget to buy extra soundproofing tools, you can do it for free using blankets! Gather up all the extra blankets and quilts you have in your home. The thicker, the better! If you want to keep sound in, you’ll need blankets on all sides.

If you want to keep sound from the outside out, you’ll need to put blankets over the source of these sounds. Most often, this will mean a specific wall, door, or window. 

To affix the blankets to the wall, you should use tacks, finishing nails, or screws, depending on how heavy they are. In addition to the blankets, if you have any large furniture pieces, you can position them against the wall to minimise sound. In particular, bookcases and headboards work great for this.

The Ultimate Guide To Soundproofing A Room

How to soundproof a room from the inside

1. Identify the source of sound

It’s important to identify the source of the noise you’re trying to conceal. This can be anything – from television, an instrument, or traffic. These types of sounds can usually be contained to one specific spot. You can address the sound once you’ve found out where it is coming from.

2. Identify the entry point

As the name suggests, the entry point is the area in your space where the sound enters your room. It could be an exact point or an entire wall which is often the case when it comes to shared walls in apartments, condos, or duplexes. Exterior windows are also common entry points for unwanted noise, such as traffic. 

3. Identify the reflection point

When the sound enters your home, it will reflect at the same angle of entry. You’ll want to address the source of sound, entry point, and reflection point individually for the most efficient sound masking.

Permanent soundproofing solutions

Occasionally, you may have tried the methods above, but they just aren’t cutting it. In that case, consider tackling your soundproofing project at a construction level. Although you will find yourself spending more money on a construction-level task, the long-term benefits will be worth it.

Adding extra drywall

Although this technique requires a significant investment of time and money, it is one of the most effective ways to quiet a room. Cover the existing walls and ceiling with an extra ½ inch thick drywall. For extra protection against noise, secure the new drywall with a sound deadening compound called a dampening compound. You can use standard drywall or special sound-deadening drywall, which has a plastic polymer layer adhered to the back surface to reduce noise significantly. 

Soundproofing a home theatre

Home theatres are great for giving you the whole cinematic experience right in the comfort of your own home. However, to protect yourself against unhappy neighbours, make sure that your home theatre is designed to be soundproof. Create solid, non-vibrating walls that contain heavy density acoustic ventilation and are lined with heavy density sound dampening materials such as mass-loaded vinyl. We recommend using resilient mount clips with acoustic plasterboard to create a vibration break between the plasterboard and stud work. 

Alternatives to soundproofing a room

Another way of soundproofing a room is by adding some background noise, which is an inexpensive alternative to soundproofing. You can easily play relaxing instrumental music or introduce a white noise machine into the environment, which can dilute unwanted sounds. When there’s something else to listen to, it becomes easier to drown out other unwanted noises even if they’re still happening.

Sound machines

Many sound machines offer various background noise options, such as white noise, nature sounds, rain, and more. Another bonus – sound machines can also help you get better sleep! While they don’t remove the noise entirely, they are a great way to mask annoying noises.

They are also great for temporary situations that you might face, such as construction noises outside your apartment. They are also much cheaper than most soundproofing options and are a good option if you are on a tight budget.

Air purifier

Air purifiers are a great option because they have multiple benefits. The noise they create can help drown out unwanted sounds – and they help remove unwanted particles in the air at the same time! Look for a good mid-size purifier with the power to generate enough noise and cancel out other sounds in the room.


If you don’t want or need to purify your air, adding a fan can be an inexpensive way to create white noise as well as to create extra airflow in your room. It doesn’t have to be a fancy or expensive kind – just something that will help you drown out any annoying sounds.

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