Best fabric to make sound-blocking window curtains

Updated February 21, 2017

Some companies like to have sound-blocking curtains to reduce the noise heard from the neighbouring businesses or to keep their own noise in. Sound-blocking curtains also work well in apartment buildings when there is a lot of noise from the street. You can make your own sound-blocking curtains if you choose the right type of fabric.


Choose velvet to make sound-blocking curtains, especially if you want your curtains to look elegant, such as for a business. Velvet comes in all sorts of colours and thicknesses. For additional sound-blocking protection, choose the heaviest velvet you can find. However, be aware that velvet attracts every little speck of dust and is a little difficult to work with. You must also make sure that the nap of the fabric is going in the same direction when sewing two pieces of velvet together.


Most people recognise brocade fabric from its use in theatre productions. Theatres often use brocade for stage curtains, not only because the fabric is pretty and opaque, but also because it is very heavy. This heavy fabric blocks the audience's noise from the backstage area and vice versa. You can choose from a wide variety of brocades in both textures and colours. Brocade make a good choice for the home when you want to block noise from the street since it is a relatively dressy fabric. Additionally, it is an easy fabric to work with, especially for those who do not have a lot of sewing experience.

Fabric Insulation

Add some insulation to your existing curtains to help reduce noise. Fabric insulation can be found at the fabric store and is specifically used in window treatments. You can make separate curtains out of the insulation and simply clip or pin the insulation to the curtains that you already have. This helps to reduce noise and keep your fabric costs down. Fabric insulation comes in mainly white, cream or black colours, but if you hang the panels behind existing curtains or drapes, no one will see them anyway. You can also use this fabric insulation if you want to make new curtains. Adding the insulation blocks out even more noise and makes your space even more peaceful. Just use the insulation as if it were a lining fabric.

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