How To Soundproof A Wall Cheaply :10 Simaple Ways

Most of us want to stay in a quiet room to concentrate on our work or sleep peacefully. 

But if you have thin or improperly insulated walls, the sound waves can easily enter and leave the wall. Listening to noise for a longer time can create physical and mental problems. It even disrupts our sleep. We cannot concentrate well on our work.

You can soundproof the wall to get rid of this problem. But if you stay in a rented apartment, you cannot make major changes to the wall for soundproofing. Fortunately, you can adopt some cheap ways to soundproof your wall.

The article lists various techniques on how to soundproof a wall cheaply. So you can keep reading this article to know how you can soundproof your wall at a minimal cost.

How To Soundproof A Wall Cheaply?

The wall is the major culprit to allow soundwaves to enter your room and disturb you. Well, you can soundproof the wall. Remember, soundproofing will not eliminate all the noise. But it will reduce the noise levels to a greater extent.

For instance, if your master bedroom wall is attached to the garage, then the sound of the garage easily enters the bedroom and disrupts you. So you need to soundproof both the garage wall and the master bedroom wall attached to the garage to minimize the sound effectively.

But unfortunately, if you stay in a rented apartment, soundproofing a wall will require the homeowner’s permission and society’s authority. Most of the permissions are usually denied by the higher authorities. 

Additionally, remodeling the entire wall for soundproofing will cost you a lot. Fortunately, there are a few ways by which you can quickly and cheaply soundproof your wall. We are discussing below a few cheap and easy ways by which you can soundproof a wall.

1. Seal The Cracks In The Wall

You need to first look for cracks or holes in the wall. The cracks or holes look small but can easily make sound waves enter the room. Well, you have to seal them by using an acoustic caulk. The reasons for using acoustical caulk are that they are flexible and don’t crack with time.

We have discussed a step-by-step guide on applying acoustic caulk on the cracks and holes in the wall.

  • Try to apply the acoustic caulk in a well-ventilated space. 
  • Wipe all the dust and dirt from the affected area so the acoustical caulk can adequately seal.
  • Apply acoustic caulk on all the seals and cracks on the wall. You can use a caulking gun during the application.
  • Smooth the caulk either with your hand or with the help of a putty knife.

2. Add Some Drywall

A thin wall can quickly enter the soundwaves to enter your room. In such a case, you need to increase the mass of your wall. Adding two layers of drywall sheets on the wall is the best way to increase mass.

Use a sound-dampening compound like green glue between two drywall sheets to reduce sound effectively.

Remember you need to take the help of a professional to install drywall sheets on the wall. Adding drywall will increase the wall’s mass and help block unwanted sound.

3. Install Foam Mats

Installing drywall sheets takes a long time and effort. Similarly, it is pretty expensive to add drywall sheets to the wall. 

People in rented apartments are usually not permitted to install drywall sheets on the wall for soundproofing. In such a case, you can install foam mats on your wall to reduce noise. They are inexpensive and do not require professional help. The foam mats reduce noise and provide insulation to your room.

These mats have adhesive on their back. So you easily install them on your wall.

4. Place Heavy Furniture

Sometimes the wall doesn’t pick up noise from anywhere; instead, it echoes the noise within itself. If your room is quite large and lacks much furniture, the soundwaves can reverberate inside it. 

A small noise can be amplified in a large room without many objects. So you can place heavy furniture like a sofa or bookshelf in such a room to reduce echo. Try to place them near the wall for effective results.

Placing heavy furniture will not prevent the exterior noise from entering the room, but it will surely decrease the reverberations inside the room.

5. Soundproof Your Wall Using Curtains

Hanging curtains on the wall can create drama in your room. It even has soundproof benefits.

Curtains are inexpensive and can be installed easily. Try to purchase thick curtains with sound-dampening qualities to reduce noise in your room.

Another great thing is that curtains are available in various colors and designs. So, you can purchase the one that matches the style and decor of your room.

Remember you are using curtains to minimize the noise coming from the walls. So you must prefer to buy curtains covering the entire wall, i.e., from the ceiling to the floor.

We have discussed a step-by-step guide on installing curtains on the walls.

  • Your first duty is to measure the walls. Buy the curtains accordingly. Try to check the weight of the curtains before buying. Remember thicker and heavier the curtains better is the capacity to dampen sound waves.
  • Choose a hanging system that will hold the heavy and thick curtains. If the curtains weigh 40 pounds and the wall to be covered with the curtains is approximately 12 feet, then you need a hanging system that will handle approximately 3.5 pounds per foot.
  • Install the curtain rod.
  • Hang the curtains. You can bunch the curtains equally to absorb the sound waves effectively.

6. Soundproof Foam Panels

Most people think that installing soundproof foam panels is quite tricky and expensive. But in reality, it is not so. It is pretty easy to install. They are available at cheap rates. The best thing is they are available in various colors. 

So you can choose the one that will match the style and decor of your room. It is one of the excellent ideas to implement if you want to soundproof the room but don’t want to use wallpaper for sound dampening. Try to attach the soundproof foam panels with the help of velcro strips.

7. Use Acoustic Fabric panels

Acoustic fabric panels are a bit costly in comparison to soundproof foam panels. It costs $50 per acoustic fabric panel, including all the hardware required during installation. 

These panels comprise a wooden frame with fabric wrapped around it. This type of composition gives sound-dampening properties to the panel.

8. Use Moving Blankets

Moving blankets are mainly needed to cover the furniture during the move. They provide cushion to the furniture.

They are dense and heavy and can be used on the walls to soundproof your room. 

The best thing is they are inexpensive, easy to install, and will minimize the noise level by absorbing sound. Try to purchase moving blankets with grommets so they can easily hang on the rod or tuck on the wall. 

Another great thing about these blankets is that you can remove them from the wall and put them back as many times as you want. So it is one of the best and most affordable ways to minimize the noise from the wall.

9. Use Mass Loaded Vinyl

Mass-loaded vinyl is another effective way to block unnecessary sound from the walls. They are available in rolls. You can get MLV at $2 per square foot. 

Try to purchase a thick mass-loaded vinyl to better block noise or reduce echoes. You can install MLV directly on your wall. 

So most people may not prefer installing them directly on the wall. It’s best to use MLV sheets in between two dry layers. We have listed a step-by-step guide regarding installing MLV sheets on the wall.

  • Your first duty is to measure the wall. You need to bring MLV sheets according to the measurement. 
  • You must bring enough MLV sheets to cover your entire wall. Leaving a small gap between the two MLV sheets can make your effort worthless. So remember to install MLV from the ceiling to the floor with no gap in between for best results.
  • You need to now cut the MLV sheet with the help of a utility knife or scissors according to the measurements. Always cut the MLV sheet on scrap wood to protect your floor surface.
  • You can now install the MLV sheet on the entire wall. Start from one corner of the wall and then work towards the other end. Overlapping two MLV sheets will help improve sound absorption, but it can develop bumps you may not like.

10. Take Care Of Holes

Most rented people staying in apartments want to soundproof their walls inexpensively. So if you wish to spend less money on soundproofing, take care of big holes in your wall like windows, air vents, and doors. They are the main gateway to entering and leaving sound waves from the room.

Let’s talk about the windows. They are usually thin and allow the soundwaves to enter quickly inside the room.

Hence you can easily hear the dog barking outside or car horns. Doors will also not cancel out all the noise. So you can hear whatever your neighbors are discussing in the hall.

Additionally, children make plenty of noise in the apartment, which you can easily listen to if you don’t soundproof your doors. 

Lastly, air vents will allow sound waves and air to enter the room, which can sometimes be unbearable.

We suggest you soundproof the doors, windows, and air vents on the wall to soundproof the wall completely.

Now let’s start discussing cheap ways to soundproof the doors, windows, and air vents.

  • Doors

Remember that the gap between the door and door frame will allow sound waves to enter quickly inside the room. So you need to seal it.

Well, you can seal it by using weather stripping. You just need to measure the length and width of the door and purchase the weather stripping accordingly. 

Install it on the door edges to soundproof your door. It is one of the easiest and most inexpensive ways to soundproof your door.

Additionally, you can use soundproof blankets to soundproof your door. Install them on your door. They are thick and dense and will better absorb the sound. The soundproof blankets will even insulate your room in the winter season. 

These blankets are not visually appealing. So if you are more concerned about the door’s look, don’t consider this idea for soundproofing your door.

  • Windows

You can hang soundproof curtains on the windows to dampen the noise coming through the windows. They are one of the most inexpensive ways to reduce sound.

  • Air vents

Air vents allow warm and cold air to enter the room. Simultaneously it even allows a lot of sound waves to enter the room. 

If you have an air vent just above the door, hang a heavy curtain or soundproof blankets to cover the air vent. It will help to block unnecessary noise coming into your room.

Also Read :  On How To Soundproof A Closet


You usually get tired after a long tiring day and want to rest. If the sound waves penetrate through the walls of your room and disturb your sleep, you get annoyed.

In such a case, you need to think of soundproofing your walls. We have discussed some of the cheapest and easiest ways by which you can soundproof walls and minimize the unwanted sound waves entering your room.

If you have any other ideas regarding how to soundproof a wall cheaply, share them in the comment section.

FAQ : How To Soundproof A Wall Cheaply

Q1. Can you make a room 100 percent soundproof?

Ans : It’s not possible to make a room 100 percent soundproof. However, you can make a room nearly 100 percent soundproof by utilizing various techniques like installing a solid door, adding a floated ceiling, installing drywall sheets in the walls and ceiling, and filling air gaps in doors and windows.

Q2.  What can I put on the walls to stop the noise?

Ans : To reduce noise, you can install drywall sheets or soundproof foam panels on your wall.

Q3. What materials can absorb sound?

Ans : Various materials can absorb sound. It includes carpet, draperies, glass fiber, and many more. You can use these materials to dampen noise.

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