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How to Soundproof my Existing Walls and Windows

How to Soundproof Existing Walls — Looking for ways to make your existing home soundproof? Follow some of these inexpensive, DIY methods to make your walls, windows, and floor soundproof.

If you live in a noisy area, by a railway station, busy road or a factory, noise can severely impact your quality of life, effecting sleep and just time spent relaxing. In order to truly enjoy your home it’s important to reduce outside noise. Fortunately, you can soundproof your currently existing walls and windows. Noise coming from outside

Inexpensive Ways How to Soundproof Existing Walls, Windows, & Ceilings

Inexpensive Ways How to Soundproof Existing Walls, Windows, & Ceilings

How to Soundproof Existing Walls: Soundproofing Walls and Ceilings

Here are some very good and inexpensive ideas to make your existing walls, floors, windows, doors and ceiling soundproof. Try these DIY methods for soundproofing your home quickly and easily.

To Soundproof Existing Walls:

The basic concept of soundproofing your existing wall is to increase the thickness of the wall. Simply making the wall thicker will cut down on the noise. Adding some sound insulating material will do even more. There are many methods you can use to do this:

Silicon Caulking - How to Soundproof Existing Walls, Windows, & Ceilings

Silicon Caulking (How to Soundproof Existing Walls, Windows, & Ceilings)

  • If you don’t want major repairs or changes for your existing wall, then the best method is to add ¼ inches of drywall over the existing wall but insert a layer of silicon caulking between them. The silicon caulking separates those two walls with little space which prevents noise from getting through. Secure with drywall screws.
  • Sound waves can travel much easier in a denser medium, and actually travel better through wall studs, which have a higher density than other parts of the wall. Using sound attenuation batts between wall studs will help prevent the transition of sound.
  • Using a good insulating material like cellulose will help, but it can be hard to insert the material into the wall. In order to insert you will have to make small holes all over the wall and insert cellulose through the holes. Then fill the holes and repaint. Latex paint is the best paint to use to absorb sound.

To Soundproofing Existing Ceiling:

The method to soundproof a ceiling is the same as a wall. However, there are some special considerations. Below are some methods to use for soundproofing a ceiling, based on adding additional drywall and a layer of insulating material.

Green Glue - How to Soundproof Existing Walls, Windows, & Ceilings

Green Glue (How to Soundproof Existing Walls, Windows, & Ceilings)

  • Insert an additional layer of green glue between the original ceiling and additional drywall. The green glue is a viscoelastic material and it can be used as a low frequency sound barrier. This material takes up to 30 days to reach its maximum performance. This method can be used for both floors and walls. The main advantage of this method is that it is less expansive and easy to use.
Isolation Clip and Studs - How to Soundproof Existing Walls, Windows, & Ceilings

Isolation Clip and Studs (How to Soundproof Existing Walls, Windows, & Ceilings)

  • The second method is to insert resilient sound isolation clips between ceiling and additional drywall. They are attached in a row with a constant space between them. Due to this feature the drywall can be fixed with less contact area. These clips are resilient and allows the drywall to bend. This increases sound absorption.

How to Soundproof Existing Walls and Windows


Must Read:

To Soundproofing Existing Windows:

There are several varieties of soundproof glass in the market which can be used to replace the existing window glass. This is an expensive option and there are several economically viable alternatives available.

Window Plugs - How to Soundproof Existing Walls, Windows, & Ceilings

Window Plugs (How to Soundproof Existing Walls, Windows, & Ceilings)

  • Use window plugs to reduce noise up to 40%. They are available in many sizes and their sizes are indicated according to the color of the plug. A yellow plug has a drill size 5 mm and screw size 6-8 cm. Measure the dimensions of window to get the depth of the sill and choose a plug according to the sill depth. It is better to include any insulating material in the cavity between existing window and window plug.
Sound Proof Curtains - How to Soundproof Existing Walls, Windows, & Ceilings

Sound Proof Curtains (How to Soundproof Existing Walls, Windows, & Ceilings)

  • Simply using soundproof curtains will reduce noise greatly. They are made of absorbent material and are available in many colors. For a quick fix, curtains could also be used over walls and doors as well. Due to their absorbent nature they are typically heavier than average curtains so use a sturdy curtain rod. You may also place double-sided tape or magnetic tape on the curtain edges.

To Soundproofing Existing Doors:

Thicker and more solid doors will do a better job restricting outside noise. Changing the design of the door also helps. For example, a back-to-back attached door style reduces noise. Some other ideas for existing doors are given below:

Door Sweep Seal - How to Soundproof Existing Walls, Windows, & Ceilings

Door Sweep Seal (How to Soundproof Existing Walls, Windows, & Ceilings)

  • The spaces at the top and bottom of the door are the main entrance of noise. We can reduce this space up to a limit by attaching a layer of door sweep seal. Purchase the door sweep seal according to the width of the door and attach it to the door.
  • Use foam gasket tape with sweep seal. Attach it all around the parameter of the door.
  • We have already discussed about acoustical curtain. We can use curtains throughout the frame of the door to decrease the noise frequency in a good amount.

To Soundproofing Existing Floor:

People all around the world use different types of flooring in their houses such as floating flooring and, tiles and concrete.

Mass Loaded Vinyl - How to Soundproof Existing Walls, Windows, & Ceilings

Mass Loaded Vinyl (How to Soundproof Existing Walls, Windows, & Ceilings)

  • Impact noise such as foot fall and airborne noise such as noise of TV and audio player coming through the floor are the main noise problem. To get rid of both problems simultaneously, we can use Mass-loaded vinyl (MLV). It can be used as an integral part of a floor and can reduce noise up to 85%.
Acoustic Foam - How to Soundproof Existing Walls, Windows, & Ceilings

Acoustic Foam (How to Soundproof Existing Walls, Windows, & Ceilings)

  • For floating flooring, any soundproof material can be used between sub-floor and floating floor. Acoustic foam is one of them and has much better quality. In other hand, for floors constructed by tiles and concrete we can use acoustic carpets.
  • Adding a layer of soundproof tiles is also a good way. Two of the best soundproof tiles are melamine tiles and rubber flooring tiles.

Quickest & Easiest Soundproofing Method:

If you want to make your room soundproof quickly, try this easy idea “How to Soundproof Existing Walls, Windows, & Ceilings“. Purchase cork tiles according to volume of the room and level of noise. Cover with wallpaper and hang throughout the room. This decorative approach will cut down on noise as well. Similarly, floor rugs can also absorb noise.

References/Image Credits

  • 3 Ways You Can Soundproof a Window (Infographic) – https://www.dreamlandsdesign.com/soundproof-window/
  • Silicon Caulking Image – renovation-headquarters.com
  • Green glue Image – soundisolationcompany.com
  • Isolation clips and studs Image – acousticalsurfaces.com
  • Window plugs Image – heyco.com
  • Soundproof curtains Image – tradeindia.com
  • Mass loaded vinyl Image – www.environmental-noise-control.com
  • Acoustic foam Image – acousticalsolutions.com

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