How to Soundproof a Door like a Pro?

Doors along with Windows are two major noise sources in any room and since you’re here reading this article I believe your door is really bothering you with a lot of noise. It took me 6 months to write this article, a complete guide on “How to Soundproof a Door?.

Different types of doors require different soundproofing measures and I have written this soundproofing door guide to get all your questions covered. 

Be it Metallic Door, Glass Door, Wooden Door, Hollow Door, or you just want to soundproof your door cheaply, I got it all covered for you.

So, let’s jump right away and get your door on job to protect you from all the external noise.

Why is it important to Soundproof a Door?

A doorway is generally the biggest passage in the walls, thus the main source of traveling sound waves. Soundproofing doors is the most cost-effective and efficient solution to maintaining peace at your place. Soundproofing doors not just eliminate but also block the heat flow in summers and cold air in winters which helps in maintating the temperature of the room.

You can concentrate better if your doors are soundproof since they minimize outside noise and control acoustics. The outcomes are an uplifted mood, lessened worry, and uninterrupted nighttime sleep.

Temperature insulation is a useful ancillary benefit of soundproofing a door. This means that your freshly soundproofed space will probably be substantially less expensive to heat and cool.

The reduced air leakage enhances your soundproof room’s air quality, humidity, and comfort. Thus, insulating the door aids in keeping out pollutants and moisture, keeping the space comfortable for use as a workspace or living space.

How to make a Metal Door Soundproof?

Metals doors are equally soundproof compared to wooden doors, that being said the core of the doors is much more important. Solid core doors are always more soundproof and at the same time more expensive.

One of the pros of going with metal doors is the price, at the same time being cost-friendly Fiberglass and Steel doors can offer same level of soundproofing as hardwood doors.

blue metal door
source: unsplash

If you don’t want to spend money on solid core doors, you should fill the hollow door with soundproof insulation like fiberglass.

Here are the most effective ways to soundproof metal doors:

  • Fill in Cracks and Gaps: The initial stage, as well as the simplest, quickest, and most cheap approach, is to close cracks in the door as well as the joining of walls and doors. Bonding fillers are the best to be used as fillers as they are auto-body fillers formulated to stick to metal surfaces.
  • Weatherstripping Tape: Fiberglass and other sound-absorbing materials are used for making weatherstripping tape. They frequently come with glue, so you can quickly set it up and take it down.
    Depending on how much air leakage you wish to prevent, you can choose between rubber, adhesive-baked, or vinyl varieties of weatherstripping.
  • Door Gaskets: Door gaskets achieve the same outcome as weatherstripping does. The gasket is slightly more expensive but also more effective, which is the difference. The gasket performs better on a metal door, so the magnetic strip can grab the door and seal off the outside sound. 
  • Soundproof blankets: These fiberglass blankets may be hung over your door to block out noise when necessary and then removed when not required. These materials are quite dense and thick and do a great job absorbing noise.
  • Door Sweep: You can use weatherstripping to seal off gaps and cracks around the door, but what about the biggest gap, the area between the floor and the door?
    Door sweeps can be used, which are made of materials from sound-absorbing items. The sweepers must be screw-drilled into your floor. You can save energy by using door sweeps, stopping cooled air conditioning from escaping through the door gaps.
    Here are 13 types of door sweeps you can choose from to soundproof your door.

What is the Best Material for a Soundproof Door?

Different doors are made up of different materials and the best material for a soundproof door is a mixture of Wood, Metal, Soundproof Insulation Layer and MLV.

All of these materials and properties can be found in Acoustic Doors, which are the most efficient for soundproofing. Acoustic Doors offer an STC performance of around 70 and are mostly used in recording studios.

black mass loaded vinyl sheet
source: amazon

Acoustic doors are expensive so it’s not a go-to option for everybody. There are many other affordable types of soundproof doors which we’ll discuss later in this article.

How to Build a Soundproof Door?

Building a soundproof door can be accomplished in the following manners:

  • Building one Massive Door: Mass is the key for soundproofing, and the same is applicable for the doors too. For this, you can start by taking a solid core wooden door and screwing in the layers of metal sheet and wood ply to that. And finally, wrap it up with a weatherstripping tape layer around it to offer an air-tight seal.
  • Communicating Doors: For this approach, you need two solid core doors and wrap them around with weatherstripping tape. Finally, you need magnetic weatherstripping in between, where the doors communicate.

I found this really cool video while researching for the same, this guy designed a custom built soundproof door and let me tell you step-by-step how he did that. I will also link to his video if you wish to see that.

Step 1: Buy a Solid Core Door

If you’re purchasing solid core door you might not even need to follow this whole process because solid core doors are capable enough to block most of the noise. But they’re expensive.

I recommend using hollow core door if you wanna move budget friendly and you can afford a little bit of noise.

sheet lead on solid door
source: soundproof your studio youtube channel

Step 2: Put Sheet Lead

Now, measure the dimensions of the door and cut out the sheet lead. This guy used 8 pounds per square foot of sheet lead and you can go with the same. Put the sheet lead on the back of the door.

cabinet grade plywood on door
source: soundproof your studio youtube channel

Step 3: Install Cabinet Grade Plywood

We are just increasing the mass of the door and in this step we are adding cabinet grade plywood(he used 3 quarters inch) to the back of the door. Use screws to install the plywood into the back of the door sandwiching the sheet lead in between.

weatherstripping installed on door
source: soundproof your studio youtube channel

Step 4: Apply Weather Stripping

A solid work on weatherstripping is required to completely seal the sides of the door. Please invest your time in this step because it changes the whole game.

You can watch the full video here.

Tip: If you’re using the hollow door in the process I recommend using soundproofing insulation to fill it.

How to Soundproof a Door?

Different people will have different situations with their door and the noise, if you go through all the steps given below I guarantee you will have answer to your problem, no matter what situation it is.

1. Change the core of your doors (Expensive method)

Before we discuss changing the core of the door, you should know that there are two types of doors based on the core. One is the Solid Core door and the other one is the Hollow Core door. Solid core doors are more soundproof as compared to hollow core doors, as the name suggests hollow doors are hollow which means they are not filled with any physical material inside.

solid core vs hollow door image
source: pinterest

Solid core vs hollow core doors

While solid doors are filled with material and are more soundproof. You can check if your door is a hollow door or a solid door by simply knocking on it, if you hear an echo it’s a hollow door, and if you don’t hear any echo it’s a solid door. Most of the houses in the United States have front doors and back doors as solid doors while others as hollow core doors.

Solid doors are very expensive as compared to hollow ones. That’s why I don’t recommend replacing all of your hollow doors with solid doors if you are tight on budget. I personally changed my hollow door to a solid door by filling it with foam, I’ll tell you later in this article how I actually did it.

Door TypePrice
Hollow Core Door$50-$150 per Door
Solid Core Door$70-$250
Solid Wood Door$250-$600 per Door

You might be thinking it’s just $20 to $100 difference but if we assume you have 10 hollow core doors in your home, total replacement cost would be $200-$1000, which is a significant amount.

If we are talking about replacing just one door, then you could definitely think of it as an option.

You should perform a cost vs benefits analysis before purchasing any of the door. Solid core doors are expensive but at the same time they’re more effective at soundproofing and heat insulation, they’re more durable, and the resale value is more.

While hollow core doors are much affordable and easy to install.

2. Install Door Sweep at the bottom

Experts say, soundproofing the bottom of the door is the most crucial element of the whole process because the gap (at the bottom) between the floor and the door will let a lot of noise enter inside the room.

Installing a rubber sweep at the bottom of the door will break off the noise entering through that gap. Not just this and make the room soundproof, rubber sweep will also break the path for ants and other insects entering your room through that gap.

installing door sweep
source: the funny carpenter

I would say, a rubber sweep should be a must-have item in your bucket if you’re planning to soundproof your door in budget. Door sweeps are affordable but if are a DIY person and would like to save some money purchasing door sweeps for each of the door, here’s a guide on how you can create your own door draft stopper.

There are tons of options available for door sweeps depending on the shape, installation and the brush type. Here are 13 types of door sweeps you can choose from.

Tip: The rubber sweep should be placed in such a way that it’s just about to touch the floor but it should not come in contact with the floor material entirely. 

3. Find holes or cracks and seal them with caulk

There are two steps included in this process, the first one is finding the cracks and the second one is filling them. Let’s talk about each one of them one by one.

For finding the holes or cracks in your door, turn off the lights on either side of your door and then mark the holes or cracks through which the light is coming in. 

sealing door with caulk

Once you have marked all of the holes and cracks, the next step is to seal them by filling them with Caulk. There are many other materials you can use but I have personally used Caulk so I would suggest you use the same. 

Tip: Use a Caulking gun.

Here’s how you can use a Caulking gun:

  • There’s a trigger at the back of the gun; press it to loosen the long rod.
  • Pull the rod of the gun as far back as possible, hold it there, and place the caulking tube with the nozzle facing outwards.
  • Cut the caulking tube’s nozzle or insert a hole in it.
  • Move the gun while pulling the trigger to start applying the caulk.

You can use Green Glue for filling holes and cracks, which costs around $20 to $30.

4. Sound Isolation Padding Tape

Another technique for caulking gaps around the door’s edge is using sound-isolating padding tape. In addition, padding tape can be used in place of weatherstripping and door gaskets.

black door padding tape image
source: Amazon

The tape is self-adhesive and frequently used during the installation of the wallboard. Padding for sound isolation breaks the sound path. Minimizing sound transmission through gaps in doors and walls is practical and affordable using this tape.

installing door seal tape gif

The door frames and other areas where noise may otherwise enter are the perfect places for these tapes to be applied. Due to the material’s closed cell structure, it is a compressed material that reduces noise transfer from one room to another.

5. Use Sound Absorbers on the other side of door

A doorway is nothing more than a sound path, and it’s not exactly where the noise is coming from.

An important thing you can do to soundproof doors is to muffle the noise coming from the opposite side of the entryway. Although, you can place sound absorbers on either side of the door depending on the purpose. If you want your door to absorb internal noise, place it on the inner side.

sound absorbing panels installed on inside of door
source: A quiet refuge

Some additional tips for improving sound quality

Your soundproof door will have a tougher difficulty isolating the echoes coming from the other room if the room lacks sound absorbers, such as furniture, big area rugs, and images on the walls.

Having an area rug in the room is the greatest approach to lessen echo. Echoes are produced by sound as they reflect off flat surfaces and travel up the walls, floor, and ceiling.

You can also use rugs to muffle the sound. Alternatively, use heavy canvas paintings or even bookcases. The main goal is to occupy the space in the room or hallway maximally.

5. Install Soundproof Curtains

We are accustomed to hanging curtains for aesthetic reasons on windows and doors. But did you know that curtains can also aid in soundproofing?

Curtains are excellent sound insulators, so the impact of sound is muffled by the thick materials used in their production. To block out sound, soundproof drapes have been specially created. 

Heavy soundproof curtains can be used to block out light as well. Furthermore, soundproof curtains will trap heat due to their insulation. You can select any hue and style of soundproof curtains to go with the room’s decor.

installing door blanket/curatin

The two sides of soundproof curtains can also be sewn together to double their thickness, making them much more affordable. Soundproof curtains are more of sound absorbers but because of the dense material and heavy weight they are capable of blocking a significant amount of noise.

I recommend purchasing Nicetown Soundproof Curtains as they offer a lot of customization options including color and many other. So, you need not to worry about the aesthetics of your room.

Nicetown Soundproof Curtains Test

A YouTube channel called “Soundproofing Guide“performed a test to check the performance of soundproof curtains. Here are the results:

S. No.White NoiseNoise after installing regular CurtainsNoise after installing NICETOWN soundproof Curtains
(with open door)73 dB72 dB66 dB
(with closed door)54 dB57 dB51 dB
soundproof curtain test

From the observations we noticed that for louder sounds soundproof curtains can reduce the noise by up to 7 db. Also, with closed doors (and curtains on) we observed a very surprising result with regular curtains, instead of reducing the noise regular curtains increased it.

I would suggest purchasing these from the official website of nicetown as only there you’ll get to explore customization options. On the official website a 3-layered-Nicetown Soundproof curtain would cost you $50 and a 4-layered one would cost $60.

6. Use Mass Loaded Vinyl (MVL) Sheets

Mass Loaded Vinyl (MVL) is a dense soundproofing material that is designed with the primary purpose of serving as a sound barrier. It is made up of three principle elements which are Barium Sulfate, Calcium Carbonate and Vinyl.

The best thing about MVL is that it acts both as Sound Barrier and Sound Absorbers which is not found in any other soundproofing material. One more advantage is that MVL sheets can be bent into different shapes and can be used for different purposes.

Mass Loaded Vinyl is usually installed behind the drywall but we can also install it outside, some people even use it on fence to reduce backyard noise.

How to Soundproof a Door using MVL?

You can simply paste the MVL sheets on either side of the door or if you got a hollow door you can even put it inside the cavity. Attaching MVL to the door increases the mass of the door and helps in soundproofing.

There’s one very effective way to use MVL sheets on your door,

Step 1: Add Metal Frame

First step is to add a metal frame around your door and why we are doing that you’ll get to know in next step.

Step 2: Use Industrial Grade Magnets

In this step, we will use industrial grade magnets to attach MVL sheets to the door and completely seal it.

This solution is very very effective and covers all the gaps and holes around the door. The only problem is that it restricts the door’s natural movement and to open or close the you’ll first have to remove the MVL frame and then open it.

7. Use Soundproof Paint

Soundproofing paints are readily available in the market to help with the cause at hand, but they are not much in talks as they are only effective for mid-range frequencies (normal voice range). These paints are not helpful for lower or higher range frequencies and they only help in sound absorption.

Additionally, soundproof paint stands out more on a sizeable, flat surface. This paint is renowned for producing raised or speckled surfaces that give surfaces a significant texture.

Soundproof paint could be a cheap solution if you only want to lessen conversation sounds coming from another room or your neighbors. You will need to combine this with additional soundproofing techniques on this list to get the desired results.

At least, 3 layers of soundproof paint should be applied for expecting some results. The thicker the paint more it will be effective.

8. Fill your hollow door with foam

Don’t worry if you don’t have a budget for installing a solid door, we can convert your hollow doors into a partially solid door. As we discussed, hollow doors are empty from the inside so if we fill them with some material they’ll no longer be hollow. That’s the principle we’ll use here and change the core of our hollow doors.

driiling holes in a hollow door to fill with foam

Fill your hollow door with the Insulation foam. Insulation foam expands and then solidifies so all you need to do is make small holes in the door and spray the foam inside the door through that hole(remove door knob). One thing to keep in mind is that you should always start from the bottom of the door, also, let the foam expand and solidify before moving to the next hole.

filling the hollow door with foam

Once you’re done with a hole, seal it with tape so that the foam doesn’t come out of it.

9. Place a rug under the door

Placing a rug under the door is another way to remove the noise caused while opening and closing the door. Also, a rug will reduce the sound transfer and dampen the vibrations as compared to the hard floor.

Woolen rugs are considered best for soundproofing purposes, they help in reducing noise by up to 40%.

 a room with rug placed under the door
source: pexels

There are different types of rugs available in the market and it becomes very hard to choose one. A good soundproofing rug should be thick, multi frayed and it should have a fuzzy top. A fuzzy top will help in absorbing more noise and provide you with a better soundproof environment. 

10. Install Weatherstrips

Soundproofing tapes are weatherstrips made of metal, rubber, or any other material and are helpful to seal the edges of windows and doors.

Weatherstrips are awesome for removing the door slam noise (especially). These weatherstrips are installed around the borders of the door and provide soundproof insulation. These weatherstrips are very easy to install as they come with a strong self-adhesive weather seal.

installing weatherstripping around the door gif

You can simply cut the strips in the desired length with a scissor or blade, and then bend them into any shape you want. I have used these strips and they work really well. I would highly recommend these strips if you’re even on budget. 

11. Replace the glass of your door with Triple pane glass 

I am not talking about glass door in this step, but the normal doors with some part of the glass on them. Talking about technicality, glass has an absorption coefficient of around 0.18 while normal walls have an absorption coefficient of 0.35 which means walls absorb sound more effectively compared to glass (the More the absorption coefficient, the more the sound absorption).

door with glass on it

I would suggest replacing that glass with Triple pane glass because it has a bit higher absorption coefficient. Triple pane glass contains an extra pane of glass as compared to normal glasses which helps in reducing sound transmission and hence making it more soundproof.

Here are different types of glass with their STC ratings, the better the STC rating, better the glass:

Type of GlassSTC Rating
Laminated Glass28 to 45
Bulletproof Glass28 to 32
Acoustic Glass38 to 55
Tinted Glass28 to 45
Insulated Glass UnitsVery low. Often used with other materials

12. Under door draft blocker

You can use an under door draft blocker in place of a rubber sweep if you want. There is a slight difference in the working of both the draft blocker and rubber sweep while they serve the same purpose of blocking sound, light or any other insects entering the room.

DIy door draft stopper

Compared to rubber sweep, draft blockers are much easier to install. Their prices are quite comparable depending on the quality of the material.

I used a rubber sweep for my door as it was much more compatible with my door, you can go with a draft blocker as well if it suits your door.

Here in the GIF is a DIY Door Draft Stopper which you can make at home by reading this article: DIY Door Draft Stopper

13. Add door gasket

To close gaps at the edges of doors, use door gaskets. You may reduce the infiltration of light, sound, moisture, smoke, and fire by caulking the cracks along the door frame. Applying a door gasket is an easy and affordable technique to improve the insulation of a space.

Since they typically have a bigger gasket that closes the gap between the frame and the door, gaskets offer a better seal than rubber weatherstripping. Additionally, a good seal may always be maintained since the gasket can be changed to make a good seal during (and after) installation. Although weatherstripping is available in various sizes to meet your needs, it can only be installed exactly as it is.

door gasket installed on door
source: tmhardware

You should definitely check this amazing article from tmsoundproofing on Door Gaskets. It’s a complete guide and I couldn’t find any better content on door gaskets other than this.

Types of Door Gasket Mounting

  • Mounting on a Stop: Most common gaskets are surface fixed onto an already-existing door stop. The easiest mounting technique to use is this one.
  • Mounted as a Stop: Different types can be mounted as stops on the surface. Since the door’s closing force will be pressing directly against the gasket, this mounting technique should only be used with heavy-grade gaskets.
  • Mortised Mounting: Door gaskets mortised into moulding in the door frame can also be purchased. This elegant choice features self-adhesive backing for easy installation and is perfect for expensive doors.

How to Soundproof a Hollow Door?

Your door’s bulk can be increased as if the mass increases the number of molecules that sound waves must pass through, which causes lesser noise transfer and greater exertion of soundwave energy. You can do a few things to add mass to your door.

  • Foam Acoustic Panels: Foam sheets create acoustic foam panels that absorb sound rather than block it off. They reduce reverberations by catching extra sound waves that bounce off solid objects like wood. For sound absorption, you may install these panels on the door’s surface or insert the foam inside. The hollow door would be taken off its hinges and disassembled, and the foam material would be installed within.
  • Mass Loaded Vinyl (MLV) Barriers: MLV barriers are greener substitutes for outdated soundproofing materials because they are formed of sands, salts, and microscopic metal particles. MLV barriers often sit on plywood and drywall assemblies. 
    You can simply cut the MVL sheet to the size of your door and paste it over the door. Earlier in this article, we discussed various ways to install mass-loaded vinyl sheets, follow the process for more efficient results.
  • Fill the Hollow door with Foam: Simply filling the hollow door with foam is gonna make it soundproof, the more we combine different techniques the better soundproofing we get.
  • Install Door Sweeps: Door sweeps help in blocking the noise coming under the door. The best thing is that they come at a pretty affordable price.
  • Install Weatherstripping: Applying weatherstripping around the door would make the door’s edges air tight and block the noise.

How to Soundproof a Door with Household Items?

There may be openings in the door leading to noise leakage, but that can easily be done using quite a few household items. However, before that, you must first examine the door and its openings!

Here’s all you can do:

  1. Place a carpet or rug:
    Placing a door under the door to reduce the air passage and thus the passage for noise waves to travel. At the same time, it removes the sound created because of friction when we open or close the door.
  2. Hang some old blankets or quilts:
    The whole point is to increase the mass of the door which could be achieved by hanging blankets or quilts towards the inner side of the door so that they also cover most of the passage.

3. Use excess styrofoam or cardboard:
If there’s cardboard or styrofoam available at your home you could use it to create an insulation layer on the door. Make sure to cut it in the accurate measurements.

4. Make a DIY Door Sweep: Different items in your home could be used to build a diy door sweep, check this article on DIY Door Draft Stopper, I have explained step by step with gifs to build one.

Soundproof a Door under $50

Here’s a list of things that can help you soundproof a door for under $50:

ItemPrice
Door Sweep$10
Soundproof Blanket$17
Weatherstripping$8
Green Glue$10-$20
Door Rug$13

Best Soundproof Doors

  1. Solid Wood Doors

Solid Wood Doors would have an STC of around 55 to 60 and mostly they are used as front doors. Depending on the type of wood used, dimensions and style of the door, price of a solid wood door starts from $500 and goes upto $5000 and beyond.

solid wood door installed in home
source: etodoors.com

2. Sliding Barn Doors

The reason why I’m even mentioning these types of doors because you can buy them a lot thicker than your regular door, so for the cheaper price you can buy a thicker barn door making them more soundproof than solid wood doors. The only thing that you have to make sure is that it is well stuck to the wall and well insulated with the right type of material.

Barn door sliding
source: wayfair.com

Sliding Barn doors usually cost between $200 to $500, and for very high quality up to $1000. This price may vary depending on the enhanced thickness though but it’s still way cheaper than solid wood doors.

3. Fiberglass Doors

Fiberglass doors have an STC of over 60. Compared to solid wood doors, Fiberglass doors can provide the same level of sound blocking performance and be more cost effective option at about half the price of a solid wood door.

Usually you’ll find fiberglass doors used as an exterior door so these are perfect if you want to soundproof your front or side doors from road noise. The reason fiberglass doors are so good at blocking and absorbing sound is due to the way they’re constructed, the wrapping and layering process of this material helps dissipate and absorb sound waves better than a solid door.

fiberglass door
source: etodoors.com

Fiberglass door is usually made of a foam material which also helps in absorbing sound, the polyurethane core in a fiberglass also makes it more resistant to damage than traditional wood doors which means enhanced safety and peace of mind.

Fiberglass doors usually cost between $200 to $800 and for high end doors the price may rise upto $2000 and more.

4. Acoustic Doors

These types of doors are made specifically to block and absorb sound with an STC rating of over 65 and above depending on the material and construction from different manufacturers. You’ll typically see acoustic doors installed where it’s really loud like manufacturing plants or recording studios and some are also installed in hospitals schools and office buildings.

brown acoustic door
source: eto doors

Acoustic door is made of a solid wood frame along with layers of acoustic compounds and Mass loaded vinyl, these layers are all hidden inside the frame of the door making it look like any other doors in the building.

Acoustic door would cost around $500 to $2000 and for high quality acoustic door the price may rise upto $3000 and more.

How to Install a Soundproof Door?

A good soundproof door would be heavy and installing a soundproof door is not an easy talk. I recommend hiring a professional for this job, any gaps or cracks would totally burn the extra money you spent on the soundproof door.

If you still want to do it yourself, here’s a video which might help you:

source: acoustic geometry

Tips:

  • Make sure the alignment of the door is fine.
  • Install weatherstripping to seal the edges.
  • Make sure door sweeps are perfectly installed.

Soundproofing Door Kits

There may be up to one square foot of airspace around the margins of a typical door. Because it combines several soundproofing materials for the best effects, a Soundproof Door Kit is a long-lasting and efficient way to make any door into a more soundproof door.

Soundproofing door kits include several products, like:

  • Acoustic panels
  • Weatherstripping tape
  • Door sealants
  • Door Gasket
  • Rugs
  • Soundproof Paint
  • MVL Sheets

And much more.

Key Benefits of a Soundproof Door Kit

  • Soundproofing Effectiveness: These kits have enough material to soundproof two to three doors and are incredibly simple to install. Both your bedroom and the kid’s room can be done.
  • Noise cancellation: Sound transmission via a doorway can be significantly decreased by placing Panels and adding high-quality Weather Strip sealing around the door frame.
  • Preventing air leakage: This will make it more difficult for outside allergens and contaminants to enter.

Here are 2 Soundproof Door Kits you can purchase online:

1. Arrowzoom Door Soundproofing Kit
soundproof door seal kit panel
source: arrowzoom

Kit includes:

  • Acoustic Polyester Soundproof Panels
  • 5 Meter Door Seal Weather Strip
  • 1 pc Wood Polyester Fabric Panel Cutter
2. Sound Lock™ Door Seal Kits
door seal kit
source: secondskinaudio.com

Cost of Soundproofing a Door

To help you out I have listed all the items along with their prices so that you can calculate the expenses for soundproofing your door.

S.No.ItemPrice
1.Soundproof Door$1000 to $5000
2. Rubber Sweep$8 to $20
3. Caulking Gun$10 to $30
4.Mass Loaded Vinyl$100 (40 square feet)
5.Soundproofing blanket$20 to $50
6. Soundproofing Curtains$20 to $30
7.Insulation foam$5 to $7 per bottle
8.Rugs$30 to $100 depending on size 
9.Weatherstrips$8 to $15
10. Door draft blocker$15 to $20 
11. Triple Pane Glass$500 to $1000 per window size slab
12.Soundproof Paint$2 to $3 per square foot
13.Foam to fill Hollow Door$21 (20 ounces)

If you don’t want to spend even a single penny, simply take out your old blankets, install them around your door and it’ll do the soundproofing for you. Moreover, adding some extra big furniture like a bookshelf or a closet will help you in reducing noise transmission as well.

Place your old carpets, mats or rugs under your door for a better insulation. In case of emergency, you can place a tower, pillowcase or any other cloth under your door.

Can Glass Doors be Soundproof?

Yes, Glass doors can be made more soundproof. There are a variety of glass doors available in the market, but if you’re considering soundproofing, then you should go for a thick laminated soundproof glass door. The best part is that these doors are cheaper compared to the typical glass doors installed in our homes.

Typically, glass is not a very good at sound blocking and neither are glass doors. But you can make it more soundproof by using thick laminated glass and placing acoustic seals around the door.

For highly effective soundproofing, you should go for solid wood or acoustic doors.

Is a Fire Door Soundproof?

Fire doors are typically more soundproof than regular doors would be, though they’re not specifically designed for this purpose. This is because of how fire doors are built and how the materials they are made of conduct sound waves.

Fire doors are an integral feature of the architecture of every structure with numerous stories. And because they have attained the following characteristics, they are more soundproof:

  • Solid Material
  • Sealed Edges
  • Thickness

Is Aluminium Door Soundproof?

Aluminum doors offer effective sound dampening. Since aluminum is a reflective material, sound waves can be reflected into the surrounding space, lowering overall noise levels. Additionally, aluminum is a powerful insulator, and it can aid in reducing outside noise.

The aluminum doors turn your home into a quiet haven of pure relaxation and delight since they are made to block all potential entryways for noise leakage.

Conclusion

Before soundproofing a door you should know the core with which it is made of. Hollow core doors are less soundproof as compared to the solid ones. However, if you fill the hollow door with an insulation foam it will work for you.

Rugs and carpets will help in blocking and absorbing the noise entering the room from under the door. Another way to block the sound coming from under the door is by using rubber sweep or a draft blocker.

For soundproofing, the main body of the door, use a soundproofing blanket, Curtain, Mass Loaded Vinyl or soundproof paint. Installing a weatherstrip around the door and filling the holes or cracks on the door with caulk is always a great idea.

Let me know in the comments if you would like to add anything to this article, I would love to hear from you.


FAQ’s

  1. Are MDF Doors Soundproof?

Yes, MDF doors are helpful in soundproofing. MDF has a higher density, STC rating, and thickness, which adds up to achieving more increased soundproofing capabilities, and this makes it more effective than other wooden doors. 

  1. Is PVC Door soundproof?

Yes, PVC doors are excellent for soundproofing as they offer effective sealing. The properties of PVC also make the door cost-effective, fireproof, waterproof, along with soundproof. 

  1. Are heavier doors more soundproof?

As the door gets heavier, its mass increases, making it more soundproof. So yes, heavier doors are better in that aspect than the hollow ones.

  1. Do solid wood doors block sound?

Yes, solid wood doors are effective in soundproofing as they have relatively more mass.  

  1. Do thicker doors reduce noise?

Yes, the thicker the door is, the more effective it is for soundproofing. This is because as the mass within the door increases, the dispersion of sound gets tougher and absorption increases.

  1. How do you temporarily soundproof a door?

There are several ways to temporarily soundproof a door, as follows:

  • Using thicker and darker shade curtains
  • Add weatherstripping
  • Add door gasket or sweep
  • Add blanket cover to door
  • Add door thresholds
  1. Does putting a blanket under a door reduce sound?

Yes, putting a blanket under a door is effective in sound dampening to some extent as it helps in reducing the air passage from under the door.