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How to Soundproof Sliding Doors in 6 Ways to Control Noise

Silent Home Hub Soundproof Sliding Doors

Sliding doors make an excellent feature for your home. They look aesthetically pleasing and add a modern and elegant finish.

Besides their physical design, sliding doors are EASY TO USE and install. Plus, they don’t occupy too much space like most hinged doors.

If there’s one thing sliding doors could improve on, it’s their poor soundproofing abilities. 

Today, we’ll help you ELIMINATE any unwanted sound from the outside of your home. Wondering how to soundproof sliding doors? Keep on reading and see which soundproofing methods will work best for your situation.

We prepared this guide on how to soundproof sliding glass doors at home!

Table of Contents

Inexpensive Ways to Soundproof a Sliding Glass Door

If you plan on sticking to a budget, we’ve got you covered. You can still soundproof a sliding door without spending a lot.

There are a lot of accessible household materials for door soundproofing!

Here are some COST-EFFECTIVE ways on how to soundproof sliding glass doors. Without breaking your back AND your bank!

1. Install Soundproof Curtains for Your Sliding Door

One of the EASIEST and MOST AFFORDABLE ways to soundproof your sliding glass door is by using thick, blackout soundproof curtains

They’re CHEAP, EASY TO FIND, and their thick material helps dampen noise coming from both sides of your sliding door. This is recommended for those that have a pocket door design!

The thicker the material, the more effective it is at reducing noise. This is why we recommend suede or velvet soundproof curtains. 

You might notice that its soundproofing level isn’t as great as other expensive options. BUT they make a significant difference in terms of noise reduction. You won’t be hearing too much noise coming from the other side of the sliding glass door.

But if there’s one downside to using soundproof curtains, they’re quite difficult to install. Considering how large and thick the material is, draping them over your sliding door might be a task.

Here’s a quick guide on how to install them to soundproof a sliding glass door:

Materials to Prepare

  • Curtains made of thick materials like suede or velvet
  • Curtain rod that’s as long or longer than your sliding door
  • Brackets
  • Tape measure
  • Pencil
  • Drill
  • Ladder

Installing Soundproof Curtains for Your Sliding Glass Door

  1. Before getting started, MAKE SURE to take measurements of your sliding door before measuring your curtains. 
  2. As much as possible, you want to ADD A FEW INCHES extra in the measurements of your curtains. After this, you can start cutting your curtains accordingly.
  3. Using your pencil, mark where you want to install the curtain rod. Ideally, it should be 3 TO 5 INCHES AWAY from your sliding glass door.
  4. Once done, drill a hole on the wall where you plan on installing the brackets. Ensure that the brackets are screwed properly in place, and can support the weight of your curtains.  

Now that you’ve got the brackets installed, all that’s left to do is put the curtain rods in place and hang your curtains!


  • Cheap and easy to install
  • Materials are easy to find


  • Not as great as other options in terms of soundproofing abilities, but can get the job done nevertheless
  • Heavy material

2. Use Thick Blankets

Thick winter or fiberglass blankets do a fair job at reducing and muffling noise from your sliding door. 

It’s easy to use, convenient, and it comes at a meager price tag. It’s the perfect “EASY FIX” solution for anyone who wants to get the problem out of the way immediately. 

But if there’s one thing you ought to know about using blankets, it’s not the best and prettiest solution on this list.

Using blankets for your sliding door only provides “band-aid solutions.” It can be an excellent procedure for only a brief period. But surely you can’t consider this as a permanent installation that can last for years. 

Besides this, it doesn’t look aesthetically pleasing. Your beautiful sliding glass doors will be covered by thick blankets instead. That might not even mesh well with your interiors.

But if you don’t mind any of this, we recommend using blankets for any easy and cheap fix to soundproof sliding glass doors!

Here’s how you can use them for soundproofing:

Materials to Prepare

  • Thick blankets
  • Tape measure
  • Pencil
  • Ladder

Installing the Thick Blankets on Your Sliding Door

There isn’t much to do when you plan on using thick blankets really. 

  1. First off, make sure to select a thick blanket with the SAME MEASUREMENTS as your sliding glass door. 
  2. Once you’ve got this out of the way, using a ladder, hang your blanket on your sliding door, and you’re good to go. 

As we said, blankets are easy to use, and they provide a quick fix.


  • Easy to find materials
  • Easy to install


  • Not a permanent solution
  • Not aesthetically pleasing

3. Seal All Cracks to Soundproof Sliding Doors

Small cracks and openings are your enemies when it comes to having a soundproof sliding door. Even the most minor break can make a significant difference!

The noise could come through the sliding glass door easily. You can’t even pinpoint where it’s coming from!

It could often be a result of the typical wear and tear and regular damage as time goes by. 

You can quickly get rid of this problem by doing a complete check-up on your sliding doors and look for any cracks or small gaps on the edges. 

Once you’ve taken note of the areas that need to be worked on, you can start fixing and soundproofing your sliding glass door.

Materials to Prepare

  • Soundproofing sealants
  • Doorstopper or door sweep
  • Ladder

Sealing Small Cracks

Now that you’ve identified your problem areas with your sliding glass door, it’s time to seal them. 

  1. If your sliding glass door already has some cracks, you can use a soundproofing sealant like Green Glue or any of its alternatives to secure it.
  2. You can cover the glass area where sound escapes instantly.

The bottom of your sliding glass door is usually where sound transmission occurs, which is why a door sweep can come in handy. It helps minimize the noise quickly without undertaking any major repairs or changes.


  • Quick and simple fix
  • Sealant and door sweep are very affordable products


  • Not permanent
  • Not the best soundproofing and noise solution

Expensive Ways on How to Soundproof Sliding Glass Doors

1. Use Double Glazed Sliding Doors

Unlike wooden or metal barn doors, a great thing about sliding glass doors is being able to reinforce them. If you have extra money to spare for soundproofing a sliding door, using double-glazed glass is always an excellent option.

In essence, a double glazed glass door is made of two thick glass pieces with space in between them. This makes room for air insulation making it perfect for soundproofing sliding glass doors. The air insulates the sound coming in, providing better soundproofing abilities than others. 

However, if there’s ONE drawback to using double-glazed glass. You have to be prepared to commit and replace your existing sliding glass door. 

Once you replace your sliding door, you’re guaranteed a noise-free and quiet area! You’ll have a soundproof sliding glass door without the need for other installations.

Here’s how you can upgrade your sliding glass door with double-glazed glass:

Materials to Prepare

  • Double glazed glass
  • Tape measure
  • Pencil
  • Soundproofing sealants
  • Screws and bolts
  • Ladder

Installing the Double Glazed Sliding Glass Door

  1. Before you get started, measure the existing glass panels on your sliding door. You’ll use the same measurements for your new double glazed sliding glass.
  2. Once you’ve determined the measurements, it’s time to cut your new glass. This part may be a challenge, so we highly recommend that you seek professional help for this. Better, you can ask them to measure and cut the glass for you. Cutting the glass is a crucial step for this project, and as much as possible, you can’t have any room for error. 
  3. Once this is done, start installing the glass to your sliding glass door. You can use a sealant with soundproofing abilities, or screws and bolts to secure the glass in place.

That’s it! You’re good to go! After you’ve secured your glass in place, you’ll begin to notice a significant noise reduction from your sliding glass door.


  • Great soundproofing and noise reduction abilities
  • Easy to find materials


  • Expensive
  • Not an easy DIY project

2. Install Laminated Sliding Glass Doors

You also have the option to replace your old sliding glass door with a laminated sliding door. They’re probably more elegant-looking than your existing sliding glass doors.

But if there’s one thing you ought to know about laminated glass doors, they’re very durable. By adding an extra weighted layer, this is a worthy way to soundproof a sliding glass door.

However, you might find that the installation process for laminated glass doors takes a longer time than other procedures. Not only that, but apart from the material being costly, you also have to take into consideration HOW MUCH you need to spend on installation. 

Using laminated glass doors isn’t a simple DIY project when it comes to soundproofing sliding doors. You might need to hire a professional to help you to make sure you get your money’s worth when using the material.

Here’s a guide on what you need for this option:

Materials to Prepare

  • Laminated doors
  • Tape measure
  • Pencil
  • Soundproofing sealants
  • Screws and bolts
  • Ladder

Installing Laminated Doors

Before we get started, we highly recommend that you get professional help when you plan to use laminated doors. It leaves no room for error and gets the most of your material.

Nevertheless, laminated doors are relatively easy to install, although they’re time-consuming.

  1. Start by measuring the glass area of the door panel where you plan to install the laminated doors. Make sure to measure accurately, so that it won’t affect the dimensions of your laminated doors.
  2. Cut the material, or have a professional do this. Once this is done, start installing the doors itself.
  3. Using your hinges and screws, secure the laminated door in place.
  4. You can also apply soundproofing sealants on the corners, gaps, or wherever sound can enter.

The installation process takes a lot of time and patience, considering how heavy the door is.


  • Impact and sound resistant
  • Leaves an elegant finish


  • Very expensive
  • Time-consuming and labor-intensive

3. Install Thick Blinds

When soundproofing a sliding door, you might not be too keen on replacing your sliding doors just yet. If so, we recommend installing soundproof blinds on your glass doors instead.

You don’t have to remove your sliding glass doors, and you’ll only have to install blinds to help stop noise from coming into your home easily.

Luckily, there’s a variety of soundproof blinds that have exceptional soundproofing abilities. They provide a great aesthetic, and they can blend well with your overall design at home.

With the variety of designs to choose from, you won’t have a hard time looking for a design that will go well with your sliding glass doors. 

Although soundproof blinds tend to get very pricey, it’s all worth it if you’re looking to have more shade and peace at home or in the office.

Materials to Prepare

  • Soundproof blinds
  • Measuring tape
  • Ruler
  • Drill
  • Screwdriver
  • Ladder

Installing Soundproof Blinds

If you have any hesitations on how to install the blinds, it’s always advisable to have a professional help you.

Nevertheless, you can install the blinds yourself without any problem.

  1. Start by measuring your sliding glass doors. Keep in mind that you’ll be using the same measurements for your blinds, so make sure to be accurate.
  2. Once you’re done with that, drill holes for where you want to install the blinds. Ideally, you want to leave about 3 to 5 inches of space above your glass door.
  3. Now that you have the holes in place, screw the body of the blinds and make sure it’s secure. You don’t want it to unnecessarily fall off anytime.


  • Quick and simple to install
  • You don’t have to replace your existing glass doors


  • Blinds can get very pricey
  • Not the first option when you think of soundproofing

Final Notes

Knowing how to soundproof sliding glass doors is ESSENTIAL, especially if you want to have a noise-free environment at home or in the office.

It gives you peace of mind and allows you to keep your space sacred for you and your thoughts.

Doing any of these methods for a sliding door will ensure a peaceful environment. You won’t have to be worried about sudden loud sounds coming from vehicles passing outside. Nor do you have to wake up startled by your neighbor’s sudden laughter.

A sliding door provides a sense of zen and relaxation and these soundproofing methods are the way to go!

Maybe you have other doors in your house that you want to soundproof such as barn doors or pocket doors? You can check out other DIY door soundproofing methods.

If you enjoyed this article on sliding glass doors, you might also want to check out our Comprehensive Home Soundproofing Guide if you want to pull out all the stops for a soundproof home!


July 12, 2021 – removed 4 article links, removed 3 product links, fixed some article links

June 17, 2021 – updated featured image and article content, updated article links

June 7, 2021 – fixed and updated article formatting and content

About the Author


Andrea has always been bombarded by the hustle and bustle outside her home. Living in the city doesn’t get any quieter. The never ending noise from construction, traffic, and dogs barking on the streets day in and day out drove Andrea to a breaking point.

For 3 years, Andrea committed herself to studying DIY hacks, performing soundproofing experiments, and installing noise-free solutions. Now, she lives a quiet life free of the stress from noisy environments.

She hopes to share this knowledge so that others don’t have to endure the noise reigning in their ears and live a peaceful, stress-free life.