Soundproofing Walls on a Budget: Some Ideas

People may have many reasons for soundproofing the walls. Two of the most common reasons are to maintain privacy and get better acoustic performance. 

As walls have the largest area of a room, it is no wonder that insulating them can cost a lot of money, especially due to the fact that superb soundproofing foam can be expensive, depending on the material, design, and thickness. 

Soundproofing Walls on a Budget: Some Ideas

For more affordable methods to soundproof your walls, follow some ideas presented below:

1. Drywall Sandwich

Drywall or sheetrock is a material that can be used for budget soundproofing. Drywall is inexpensive yet it offers you good results. 

To utilize this method, first you need to attach a thick bead of silicone caulking to all stud surfaces. Then stick the sheetrock to the stud using nails or screws. For neater result, opt for screws over nails. 

The next step is to repeat the same procedure from the beginning. Apply more silicone caulking on the installed drywall and attach a second layer of sheetrock. 

If your wall is already covered by one layer of drywall, you just need to add another new layer to insulate the room. 

The air between the two layers of drywall traps sound waves while the silicone caulking dampens the sound vibration. This combo is a well-known method to tame noisy sounds.

2. Fiberglass and Sheetrock

If you already have drywall covering the wall, you can try to combine it with different material such as fiberglass insulation. 

First, remove the sheetrock panels off the wall using a pry bar and a hammer. As you will use it again later, you should do it carefully in order not to break the drywall. 

After the drywall sheets have been removed, insert fiberglass insulation between the studs using a nail gun or staple gun. Begin from the top of the wall and unroll it down to the bottom. 

After the walls surface is covered by the fiberglass, reinstall the sheetrock. You might need to replace a damaged panel or two with ones. While installing the fiberglass, do not make direct contact with it. 

Always use gloves, protective goggles, and a high quality respirator to protect your eyes, skin and respiratory system from the fibrous particles that tend to float around the air.

3. Foam and Upholstery Fabric

This idea creates a unique soundproofing result. What you need are sheets of plywood, urethane foam and upholstery fabric. Install thick plywood on the wall as the first step. When the first step is finished, you need to spray the plywood surface with aerosol craft glue to make a thin layer of adhesive. 

Roll out the foam and apply it, start from one corner and work down and across. Remember not to overlap or create gap between the foam. Soundproofing foam usually comes in 1 inch to 4 inch of thickness. 

The thicker the foam, the better it insulates a room. The last step will be to attach decorative upholstery fabric over the foam. As it has greater width than regular fabric, you can save a lot of time. 

Choose a fabric with your preferred motif. Or, alternatively, you can also go for a variation of several motifs. Secure the fabric on the edges using a staple gun. To create a fun pattern and a different look, decorate it with buttons or wide-headed nails.


  • Remove all furniture, paintings and other things that may obstruct the soundproofing process.
  • To avoid wasting your money on unnecessary excess materials, make sure to measure the walls you want to insulate carefully before deciding to buy the soundproofing materials.
  • Always be careful while using tools such as hammers and pry bars to reduce the risk of accidents.

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