Soundproof Garage Workshop

Have you ever been in your garage workshop trying to concentrate on a project but constantly distracted by outside noise? Or maybe you live in a noisy neighborhood and want to keep your hobby or profession from disturbing your neighbors. Whatever the reason, the need for a soundproof garage workshop is clear.

How to Soundproof Garage Workshop? To soundproof your garage workshop, start by insulating the walls with materials like acoustic panels or mineral wool. Seal any gaps or cracks with weatherstripping and install a solid-core door. Consider using acoustic curtains or rugs to absorb sound. Finally, place soundproofing foam on the ceiling for added insulation.

In this blog, we’ll explore various ways to soundproof your garage workshop, allowing you to work in peace and privacy without any unnecessary distractions.

Assessing your garage workshop’s current sound levels

Assessing your garage workshop's current sound levels

If you’re planning to turn your garage into a workshop, one of the most important considerations is controlling the noise level. A noisy workshop can be annoying for you and your neighbors, and can also lead to hearing damage over time.

Before you can start soundproofing your garage, you need to assess its current sound levels. Here are the two steps to help you determine the baseline noise level of your workshop.

Measuring the sound levels using a decibel meter

The first step in assessing your garage workshop’s sound levels is to use a decibel meter to measure the noise. A decibel meter is a handheld device that measures sound levels in decibels (dB). To use a decibel meter, follow these steps:

  1. Turn on the decibel meter and set it to the “A-weighting” setting. This setting filters out low-frequency noise, which is less important for measuring the noise level in a workshop.
  2. Hold the decibel meter at arm’s length and point it towards the area you want to measure.
  3. Take a reading and note the result. Repeat this process in different areas of the garage to get an idea of the overall noise level.

A typical conversation is around 60 dB, and noise levels above 85 dB can cause hearing damage over time. If your workshop’s noise level is above this threshold, you should take steps to reduce it.

Identifying the main sources of noise

Once you have measured the sound levels, the next step is to identify the main sources of noise in your workshop. Here are some common sources of noise in a garage workshop:

  1. Power tools: These can be very loud, especially when used for extended periods of time.
  2. Air compressors: These can generate a lot of noise when they turn on and off.
  3. Fans: If you use fans to circulate air in your workshop, they can also generate noise.
  4. Doors and windows: If your garage doors or windows are not well insulated, they can let in noise from outside.

Types of soundproofing materials

Types of soundproofing materials

When it comes to creating a soundproof garage workshop, choosing the right materials is crucial. Fortunately, there are several types of soundproofing materials that can effectively reduce noise transmission and provide a quieter environment for your workshop.

Here are some of the most common types of soundproofing materials:

Mass Loaded Vinyl (MLV)

Mass loaded vinyl (MLV) is a popular soundproofing material that is both effective and easy to install. It is a dense, flexible material that can be cut to size and applied to walls, floors, and ceilings.

MLV works by adding mass to the surface it is applied to, which helps to absorb sound waves and prevent them from passing through. It is particularly effective at reducing low-frequency noises, such as those produced by machinery or vehicles.

Acoustic Foam Panels

Acoustic foam panels are another popular soundproofing material that is commonly used in recording studios, music practice rooms, and other environments where noise reduction is essential. These foam panels come in a range of shapes and sizes and can be easily mounted on walls or ceilings.

They work by absorbing sound waves and preventing them from reflecting back into the room, thus reducing echo and reverberation.

Fiberglass Insulation

Fiberglass insulation is a common insulation material that is also effective at reducing noise transmission. It is typically installed in walls, floors, and ceilings and works by trapping sound waves in the small air pockets within the insulation. This helps to reduce the amount of sound that passes through the wall or ceiling and into the adjacent space.

Green Glue Compound

Green Glue Compound is a specialized soundproofing material that is applied between two layers of drywall or other building materials. It works by converting sound energy into heat energy, which helps to reduce noise transmission. Green Glue Compound is easy to apply and can be used in a variety of applications, including walls, ceilings, and floors.

Soundproofing the walls

Soundproofing the walls

If you’re someone who loves working with loud tools and machines, then you know how frustrating it can be for you and your neighbors. Fortunately, soundproofing your garage workshop is an effective solution to this problem.

In the following paragraphs, we are discussing about soundproofing the walls of your garage workshop, which is one of the most important aspects of soundproofing.

Adding insulation between the wall studs

Insulating your walls is a great way to reduce the amount of noise that escapes from your workshop. Fiberglass insulation is a common and affordable option that you can install between the wall studs.

This material is effective at absorbing sound waves, preventing them from bouncing off the walls and escaping outside. Fiberglass insulation also helps regulate the temperature inside your garage, making it more comfortable to work in.

Installing resilient channels

Resilient channels are another effective way to soundproof your walls. These channels are installed between the studs and drywall, providing a buffer zone that prevents sound waves from traveling through the wall.

Resilient channels work by decoupling the drywall from the studs, which minimizes the transmission of vibrations that cause sound. Note that installing resilient channels can be a complex process and may require professional help.

Applying mass loaded vinyl and drywall layers

Mass loaded vinyl (MLV) is a dense material that is effective at blocking sound waves. MLV can be applied directly to the studs before drywall installation or sandwiched between two layers of drywall. Applying MLV before drywall installation is more effective because it creates an additional layer of soundproofing.

However, sandwiching MLV between two layers of drywall can also be effective, especially if you don’t want to add additional thickness to your walls. In addition to MLV, you can also use acoustic caulk to seal any gaps and cracks around the edges of the drywall to further reduce noise leakage.

Soundproofing the ceiling

Soundproofing the ceiling

When it comes to creating a soundproof garage workshop, soundproofing the ceiling is one of the most important steps you can take. Not only will it help reduce noise from outside sources, but it can also help to minimize any noise that is created within your workspace. Below are three effective ways to soundproof your garage workshop ceiling.

Installing a suspended or drop ceiling

One of the most effective ways to soundproof a garage workshop ceiling is by installing a suspended or drop ceiling. This involves hanging a new ceiling below the existing one, creating a void space in between. This void space can then be filled with insulation to help absorb sound waves. The new ceiling can also be made from sound-absorbing materials such as acoustical tiles, which will help to further reduce noise.

Adding insulation between ceiling joists

Another effective way to soundproof a garage workshop ceiling is by adding insulation between the ceiling joists. This involves filling the space between the joists with insulation, which will help to absorb sound waves and reduce noise. There are various types of insulation available, including fiberglass, mineral wool, and cellulose, each with its own sound-absorbing properties.

Applying acoustic foam panels to the ceiling

Acoustic foam panels are a popular choice for soundproofing a garage workshop ceiling. These panels are designed to absorb sound waves and reduce noise levels. They are available in a range of sizes and shapes, and can be easily attached to the ceiling using adhesive.

Acoustic foam panels can be used in conjunction with other soundproofing methods to create an even more effective solution.

Soundproofing the floor

Soundproofing the floor

When it comes to soundproofing your garage workshop, the floor is a crucial aspect to consider. It’s not just about reducing the noise that travels from the floor to other parts of your home, but also about making your workshop a comfortable and safe place to work.

There are various methods to soundproof your garage workshop floor, and here are three effective options.

Using Interlocking Rubber or Foam Mats

One of the simplest and most affordable ways to soundproof your garage workshop floor is by using interlocking rubber or foam mats. These mats are easy to install and can reduce the amount of sound that travels through the floor. Interlocking rubber or foam mats work by absorbing sound waves and preventing them from bouncing off the floor.

These mats are available in different thicknesses and sizes, so you can choose the one that best suits your needs. They also come in various colors and designs, which can add to the aesthetic appeal of your workshop.

Adding Mass Loaded Vinyl Under the Flooring

Mass loaded vinyl (MLV) is a dense and heavy material that can effectively reduce the amount of noise that travels through the floor. MLV is typically installed underneath the flooring material, such as hardwood or tile, and works by absorbing sound waves.

To install MLV under your flooring, first, clean the subfloor thoroughly and ensure it’s free of any debris. Next, lay the MLV sheet over the subfloor and cut it to size. Install the flooring material over the MLV layer. Note that MLV can add significant weight to your floor, so it’s crucial to ensure your subfloor can handle the extra weight.

Installing Carpet or Rugs to Reduce Impact Noise

Another effective way to soundproof your garage workshop floor is by installing carpet or rugs. These materials can reduce impact noise, which is the sound generated by footsteps, dropping tools, or heavy machinery.

Carpet or rugs work by absorbing sound waves and preventing them from bouncing off the floor. They can also add a layer of insulation, which can help to keep your workshop warm in colder months.

When selecting a carpet or rug for your garage workshop, choose a material that is durable and easy to clean. Synthetic fibers like nylon or polyester are often a good choice as they are durable and resistant to stains. Ensure that the carpet or rug is properly installed to maximize its soundproofing capabilities.

Soundproofing the doors and windows

When it comes to soundproofing a garage workshop, one of the most important aspects to consider is the doors and windows. These are the primary areas where sound can easily enter or escape from the workshop.

Following are different methods to soundproof the doors and windows of your garage workshop to ensure a quieter and more productive workspace.

Replacing the doors with solid-core or acoustic doors

The first step to soundproofing the doors in your garage workshop is to replace them with solid-core or acoustic doors. Solid-core doors are made from a solid wood core and are denser and heavier than hollow-core doors, which makes them more effective at blocking sound.

Acoustic doors, on the other hand, are specifically designed to absorb and reduce sound transmission. They are made with multiple layers of sound-absorbing materials such as foam, rubber, and vinyl.

Installing weatherstripping and door sweeps

Even with a solid-core or acoustic door, there may still be gaps that allow sound to leak through. To prevent this, you should install weatherstripping and door sweeps around the edges of the door. Weatherstripping can be made of materials such as rubber, vinyl, or foam, and is placed around the door frame to create a seal when the door is closed.

Door sweeps, which are usually made of rubber or vinyl, are installed at the bottom of the door to seal the gap between the door and the floor.

Using acoustic curtains or window inserts for windows

Windows can also be a source of sound leakage in a garage workshop. To soundproof windows, you can use acoustic curtains or window inserts. Acoustic curtains are made from heavy materials such as velvet or suede, and are designed to absorb sound. They can be hung over the windows in your workshop to reduce the amount of sound that enters or escapes.

Window inserts, on the other hand, are made of materials such as acrylic or glass and are placed inside the window frame. They are designed to create an airtight seal that reduces sound transmission. Window inserts are also effective at insulating the workshop, which can help to reduce heating and cooling costs.

Ventilation and HVAC considerations

Proper ventilation is crucial for any garage workshop, but it can also be a source of noise. Following are some considerations for soundproofing your ventilation and HVAC systems to maintain good air quality without sacrificing peace and quiet.

Soundproofing the air vents

Air vents are essential for maintaining good air quality in your workshop, but they can also be a source of noise. To reduce the amount of noise entering your workshop through the vents, you can use sound-absorbing materials, such as acoustic foam or insulation, to line the ducts. Another option is to install baffles, which are sound-absorbing materials that fit inside the ducts and break up sound waves, reducing noise levels.

Quieting the HVAC system with acoustic duct liners

The HVAC system is another significant source of noise in a garage workshop. Acoustic duct liners are an effective way to reduce the noise produced by the HVAC system. These liners are made of sound-absorbing materials, such as fiberglass or foam, and are installed inside the ducts. The liners absorb sound waves and prevent them from bouncing around the ducts, reducing noise levels.

Make sure to maintain your HVAC system regularly, as a poorly maintained system can produce more noise than a well-maintained one. Clean the system’s filters, lubricate the fan blades, and tighten any loose connections to reduce vibration and noise.

Choosing quiet power tools and machinery

When it comes to creating a soundproof garage workshop, choosing the right power tools and machinery can make a significant difference. Loud and noisy tools can not only be a nuisance to your ears but can also disturb your neighbors. Therefore, selecting quiet power tools and machinery can help you create a peaceful and noise-free workspace.

Upgrading to Quieter Equipment

One of the best ways to reduce noise in your garage workshop is to upgrade your power tools and machinery to quieter models. Modern equipment is designed with soundproofing technology, making them quieter than their older counterparts. Here are some tips for choosing quieter equipment:

  1. Look for the decibel rating: Decibel rating is a measurement of the sound level produced by a machine. When purchasing new equipment, look for products with low decibel ratings.
  2. Choose electric over gas-powered tools: Electric tools tend to be quieter than gas-powered ones, and they don’t emit fumes. Consider upgrading to electric models, especially if you work indoors.
  3. Check for soundproofing features: Some manufacturers design their products with soundproofing features, such as noise-dampening materials or enclosures that absorb sound. Consider investing in equipment that has such features.

Using Noise-Reducing Accessories and Attachments

If upgrading your equipment is not an option, there are other ways to reduce noise in your workshop. By using noise-reducing accessories and attachments, you can minimize the sound produced by your existing tools. Here are some accessories and attachments you can consider:

  1. Mufflers: Mufflers are attachments that reduce the noise produced by your air compressors, generators, and other machinery. They are easy to install and can reduce the noise level significantly.
  2. Sound-absorbing pads: These pads are made of materials that absorb sound waves, such as foam or rubber. You can place them under your tools to reduce the noise produced by vibration.
  3. Blade guards: Blade guards are attachments that can be placed on saws and other cutting tools. They reduce noise by trapping sound waves inside the guard.


Begin by insulating the walls with sound-absorbing materials, such as mass-loaded vinyl or fiberglass insulation. Seal any air leaks with caulking or weatherstripping. Install a sturdy, solid-core door and add acoustic curtains or rugs for further sound absorption.

By taking the time and effort to soundproof your space, you have created an environment that is conducive to productivity, focus, and creativity. Now that the soundproofing process is complete, assess the effectiveness of your efforts to ensure that your garage workshop is truly soundproof.

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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.