Are Condos Soundproof (All you need to know!)

Condos are a great way to get the space you need and the affordability you desire. But if you’re thinking about buying one, it’s important to know that there are many different factors that can impact how soundproof your condo will be.

Are Condos Soundproof? Condos are soundproof, but they can’t completely eliminate the noise. The walls and windows of a condo are more likely to be made of thinner materials than the walls and windows in a house, so they don’t provide as much insulation against noise.

However, there are some simple things you can do to improve the soundproofing.

If you’re reading this, then chances are either you’re moving into a condo or looking to buy one. It might be a new development or an established building and it’s really likely that you’ll encounter next door noisy neighbors.

This article will help you learn about how soundproof condos are and whether you should buy it or not. Or, if you have already bought one, then you may need to soundproof your condo in order to get rid of the noise from those noisy neighbors.

How to Tell if a Condo is Soundproof

How to Tell if a Condo is Soundproof

If you’re thinking about buying a condo, you may be wondering if it’s soundproof. There are a few things to look out for when trying to tell if your condo is soundproof. Here are some of the most effective ways to check.

Check the Construction Materials

Check the Construction Materials

Soundproofing a condo can be done in a number of ways, but it will always depend on the construction materials used to build the condo.

The type of material used for the walls and ceiling, along with the thickness of those materials, will determine how well-insulated your condo is and how much sound it can block out.

Condos are generally made from concrete and steel, but they can also be made with wood or even brick. The thicker the material, the more likely it is to be soundproof. 

However, this doesn’t mean that condos made of thin materials won’t be soundproof, it just means that they’re less likely to be so.

When you’re looking for a condo, you should ask if they use concrete construction or another material like wood or steel. 

Here are some of the common building materials used to construct condos, and how soundproof they are:

Wood framed Condo Construction

Condos are typically built with wood frame construction, which provides a lot of flexibility in terms of design and layout.

The walls between condos are typically 2×4 studs with drywall on each side and then another layer of drywall on the inside.

This means that you will hear the sounds from your neighbors’ living room or bedroom through their walls.

Concrete Condo Construction

Concrete is one of the most effective ways to prevent sound from traveling through walls and floors, so it should be no surprise that many modern condos use concrete construction. 

Concrete blocks have small holes in them that allow air to circulate and keep mold growth at bay. These holes also help reduce the amount of noise that travels through walls and floors.

Knock on the Main Walls to Hear for Mass, Insulation and Soundproofing

Knock on the Main Walls to Hear for Mass, Insulation and Soundproofing

You can tell if a condo is soundproof by knocking on the main walls. You’ll want to listen for mass, insulation, and soundproofing.

Mass: If there’s not enough mass in the wall, you’ll hear a hollow sound. This means that there isn’t enough insulation or soundproofing to keep the noise out.

Insulation: If there is too much mass in the wall, you’ll hear a muffled sound. This means that the insulation isn’t thick enough to keep out noise.

Soundproofing: If there’s not enough insulation or soundproofing, you’ll hear a loud sound that echoes away from you quickly. This means that there’s not enough protection from outside noise pollution.

You want to make sure that the walls are thick enough to insulate against noise from outside and inside, and that the building itself has been designed with soundproofing in mind.

If you can hear both sides of your wall well through the knock test, then it’s likely that your condo has been built with thick walls and good insulation between apartments.

Quick Tip: When inspecting your condo, be sure to knock on the floorboards to see how soundproof they are.

Check if the Windows are Double Glazed?

Check if the Windows are Double Glazed?

The best way to tell if a condo is soundproof is to check if the windows are double glazed. If they are, then you can be sure that you will be able to enjoy your privacy and peace in this condo.

A double glazed window is a window that has two panes of glass. The two panes are separated by a layer of gas, usually argon or krypton, which provides thermal insulation. This allows the panes to be thinner and more thermally efficient than single-pane windows.

Double-glazed windows are designed to be more soundproof than single-glazed windows. The multiple panes of glass and air space between them reduce the amount of noise that passes through the window, and they also keep outside noise from entering your condo.

Check where the Condo is Located?

Check where the Condo is Located?

If your condo is on the ground floor or near a busy street, you might hear traffic. If there’s a highway nearby or if your condo is located near an airport, you might hear airplanes taking off and landing. 

If it’s on a busy street or there are lots of businesses nearby, you might hear people talking outside.

In most cases, these things aren’t deal breakers, but they will affect how much noise comes into your home.

What kind of People live Around?

Another step in figuring out whether a condo is soundproof is to identify what kind of people live around it.

Are they loud? Do they have pets that are noisy, or children who play outside in the evening? Or are they quiet, and only come home after 10pm?

If you can’t tell from just looking at them on the street, then it might be useful to ask your neighbors if they’re willing to give you an idea of what kind of activities happen in this building.

If there’s already a lot of noise coming from other condos or apartments nearby, it’s unlikely that any amount of soundproofing will help. If your neighbors are quiet, though, then maybe there’s hope.

Factors Affecting Soundproofing in Condos

Here are some factors that affect the soundproofing in condos.

Building Design and Materials

When it comes to soundproofing in condos, the building’s design and materials used can have a significant impact. Concrete walls and floors can provide better sound insulation than drywall or wood. Additionally, thicker walls or double-layered drywall can further improve soundproofing.

Location and Surrounding Noise

Another important factor to consider is the condo’s location and the surrounding noise. If the condo is situated in a busy area with loud traffic, it may be more challenging to achieve soundproofing. Similarly, if the condo is near a nightclub or other sources of loud music, it may require additional soundproofing measures.

HVAC and Plumbing Systems

The HVAC and plumbing systems in a condo can also affect soundproofing. Air vents and pipes can transmit noise from one unit to another, and poorly insulated pipes can create unwanted noise. Proper installation and maintenance of these systems can help minimize noise transmission.

Soundproofing Solutions

Finally, there are various soundproofing solutions that can be implemented in condos. These include adding acoustic insulation to walls and ceilings, installing soundproof windows and doors, and using sound-absorbing materials such as carpets and curtains. Each of these solutions can be tailored to fit the specific needs of the condo and its occupants.

How to Soundproof a Condo

Check to see if the building has any concrete walls. Ask the landlord or condo board if they have ever had any noise complaints. Listen for sounds coming through the walls when you visit during the day time and evening hours.

Living in a condo complex is a great way to get as much living space as you can afford. But with all the noise of other residents, it can be hard to get that silence you crave after a long day at work. You have plenty of ways to reduce excessive sounds and improve soundproofing of your condo.

Here are some of the most common ways:

1. Soundproof the Windows

Soundproof the Windows

Soundproofing windows is a great way to reduce noise from outside. This is particularly true if you live in an apartment or condo where the windows are directly exposed to outdoor traffic and other noises.

Install Weatherstripping

Weatherstripping is a thin strip of rubber or foam that you use to seal the gap between the window frame and the wall of your apartment. The purpose of weatherstripping is to create an airtight seal between your windows and walls, preventing noise from entering or leaving your apartment.

It’s easy to install: just clean off the window frame where the weatherstripping will go. Press it into place, and then fasten it in place with nails or screws. 

If you don’t want to use nails or screws to hold your weatherstripping in place, you can also use glue or double-sided tape.

Seal the Gaps and/or Cracks

If your condo has a lot of windows, it’s important to seal any cracks and gaps around the window frames.

This is because sound can travel through these gaps and cracks, which will make it harder for you to block out noise from outside your condo.

To seal these gaps and cracks, use caulking around the edges of the window frame. This will help keep out any sounds that might otherwise come in through your windows.

Install Double Pane Windows

If your condo is not already equipped with double-paned windows then installing double pane windows is the best way to soundproof your condo windows. 

This is because, unlike single pane glass, a double pane window has two sheets of glass separated by an air gap. This means that the window can block outside noise, as well as heat and cold.

The air gap also helps to insulate your home against the elements, which will help lower your energy costs.

However, this option is expensive and requires professional installation. If you’re not looking to spend thousands on soundproofing your condo’s windows, there are other options that might work well for you.

Use Window Inserts

If replacing your windows with double-pane windows sounds like a big expense, you can always use inexpensive plastic or glass inserts instead. It is a great alternative to double-pane windows, especially because it’s cheaper. 

Glass or plastic inserts are great for this, because they can be customized to fit in any window size. They just fit over the top of your existing window and help block out noise from outside.

  • Glass inserts will be more expensive than plastic, but they’re also more durable. They’re made of tempered glass, which has been heated and then cooled to make it stronger. 
  • Plastic inserts are less expensive than glass ones, but they aren’t as durable. They’re usually made out of polycarbonate or acrylic, so they can break down over time if exposed to high temperatures or extreme weather conditions.

2. Soundproof the Door

Soundproof the Door

If you live in a condo, you may have noticed that doors are fairly thin. This is because they are required to be as lightweight as possible to prevent damage to the door frame and surrounding walls during installation. 

However, this can also let in a lot of noise from the hallway. Like windows, you can also soundproof a door in a number of ways.

Install Door Sweep

Installing a door sweep is one of the easiest ways to soundproof your condo door. 

A door sweep is a simple piece of rubber or plastic that you install on the bottom edge of your door. It helps to keep sound from getting in or out, which means less noise for you and your neighbors.

You can find them at most hardware stores or online. Just make sure you measure your door before you buy one so it fits snugly (the better it fits, the more effective it’ll be).

Weatherstrip the Door

Another best way to soundproof a condo door is by weatherstripping it. Weatherstripping is an inexpensive method of soundproofing, and it can be done in just a few minutes. 

Simply remove the old weatherstripping from the door (if any), then apply new weatherstripping to the edges. 

This will seal any gaps between the frame and door, which are common areas for sound to leak through.

Hang Quilted Fiberglass Panel

The quilted fiberglass panel is made from two layers of fabric and one layer of polyurethane foam. The fabric is woven tightly to create a dense surface that absorbs noise. The foam on the inside gives it its shape and also helps absorb sound.

These panels can be hung on the interior of your door to help deaden sound from outside coming in and vice versa. They’re easy to install and will only take you a few minutes to get everything together.

3. Soundproof the Walls

Soundproof the Walls

If you live in a condo or apartment building, you know how hard it can be to get some peace and quiet. The thin walls that are common in these types of buildings can make it easy for neighbors’ noise to come through.

There are some things you can do to soundproof your walls and make them more resistant to sound coming from all sides. Here are some tips for how to soundproof condo walls:

Foam Insulation with Drywall

Foam insulation with drywall is the best way to soundproof your condo wall.

The foam insulation is placed between the studs in the wall, and it absorbs the noise coming from outside or inside of your condo. The drywall goes over it, so that when you’re inside, you can’t feel any difference from before.

This method is good for people who want a quick fix, or those who don’t want to spend too much money on soundproofing their condo walls.

However, this may be beyond the skill level of some people, so you may need to hire a professional if you want the job done well.

Note: If you don’t have any drywall on the walls, you have to install the studs and a layer of drywall yourself.

Add Mass using Mass Loaded Vinyl

You can soundproof your condo wall by adding mass to it. The easiest way is to use mass loaded vinyl. Mass loaded vinyl is a highly effective soundproofing material that is easy to install, and will not damage your walls, making it an ideal choice for DIY projects.

Mass loaded vinyl is made of polyethylene fibers that are impregnated with mineral fillers. This creates a dense, heavy material that absorbs sound vibrations when installed properly. It can be applied directly to your walls or used as a barrier between two layers of drywall.

Hang Acoustic Panels

Another effective way to soundproof your condo wall is by hanging acoustic panels. You can hang these in your bedroom walls directly or any other area where you would like to reduce the amount of noise that comes from outside or from another room. 

The panels are made of material that absorbs sound, so they help absorb sound waves before they reach the wall surfaces. This means that any noise created by your neighbors or street traffic will be less noticeable inside your condo.

As an added benefit, the panels also improve the acoustics of your space by absorbing excess reverberation and creating a more balanced sound environment.


Condos are generally not soundproof. The walls, doors, and windows are more likely to be insulated than soundproofed. If you want a condo that is completely soundproof, you’ll need to install special materials like soundproofing foam and heavy-duty insulation in your walls and windows.

If you’re worried about noise from outside, it’s important that the condo has double-pane windows, which will help keep out unwanted sounds from outdoors. 

You’ll also want to check out the insulation in the walls and ceiling of your condo. The more insulation there is, the less likely it is that outside noises will reach you inside your condo.

Overall, the key to soundproofing a condo is to identify potential sound issues and address them with creative solutions. This guide is a good starting point to soundproof your condo.

Frequently Asked Questions (Are Condos Soundproof)

Can you hear through condo walls?

Yes, you can hear through condo walls. Condo walls are made of drywall, which is a very thin material that allows sound to pass through it. This means that if you’re in the next unit, you’ll probably be able to hear what’s going on in your neighbor’s living room.

If you’re talking about drywall, which has been the most common type of wall material for decades, then it’s possible to hear through those walls. Drywall is a thin layer of plaster that covers a stud frame and insulation. It’s not very thick, so sound can pass through it fairly easily.

If you have concrete walls or brick walls, however, then it’s less likely that you’ll be able to hear what’s happening on the other side of them. 

Those types of materials are much better at blocking sound than drywall is, so there’s less chance that your neighbors will be able to hear what’s going on in your apartment and vice versa.

Can you soundproof a room in a condo?

You can use acoustic ceiling tiles that are coated with foam insulation to keep sound from traveling. You can also install new drywall with an extra layer of insulation between the layers, which will help to absorb sound and keep your neighbors noise out.

Are condos more quiet than apartments?

Condos are often much quieter than apartments, since they’re usually in homes that were built years ago and designed to be single-family homes. The walls are often thicker, they have more private outdoor space, and they usually have fewer neighbors.

Moreover, in a condo, you are typically only sharing walls with one other unit, so there’s less chance of noise bleeding between units. In an apartment building, each unit shares walls with several other units. 

How do you block out noise in a condo?

If you live in a condo and want to block out noise, try using soundproofing material, adding an extra layer of wall insulation, or installing double-glazed windows. If you prefer curtains to blinds, get some heavy curtains for your windows.

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Brendan Ratliff
Brendan Ratliff

As a soundproofing and acoustical professional, I have helped new homeowners, builders and remodelers with their projects. I also help contractors/designers learn how to properly install soundproofing in their clients homes.
I enjoy helping people understand the process of soundproofing and acoustical construction. is a one-stop solution for all of your soundproofing related questions.