What are Blackout Curtains?

Blackout curtains are the perfect window treatments to darken a room. These curtains have a tightly woven fabric and blackout lining and are designed to block out light and sound, which helps to create a dark and quiet environment that is perfect for sleeping or relaxing.  

Blackout curtains are made from a thicker, denser material than regular curtains. They are usually made of a combination of polyester, cotton, or another heavy blackout fabric that is tightly woven to create a barrier that blocks out light. The fabric can also have a special coating that helps to filter light and reflect it away from the room.

In this post, we’ll take a closer look at what a great investment blackout curtains are, how they work, and the benefits they can provide.

Dark room with blackout curtains for better sleep

Why Use Blackout Curtains?

Blackout curtains are made from a heavy, opaque fabric that is designed to block out light and sound. Unlike regular curtains or drapes, which are made from lighter materials that allow some light to pass through, blackout curtains block out all light. They are often used in bedrooms, nurseries, media rooms, and other areas where darkness is desired.

Deep and uninterrupted sleep is essential for wellness. Blackout curtains are very effective for people who work night shifts and have to sleep during the day. They are also a popular choice for babies’ rooms to improve sleep quality. You’ll often find them as additional curtain panels in hotels because the curtains block out the light which is especially important if you are traveling across time zones and are trying to adjust to a new cycle of day and night. 

If you live on a busy street or an area that is noisy then blackout curtains are a great choice because of their ability to reduce sounds from coming in. The thick fabric helps to absorb sound, making your room quieter and more peaceful. 

Blackout curtains work by blocking light from entering the room. Their thicker fabric also helps to insulate the room, keeping it cooler in the summer and warmer in the winter. By making things easier for your home’s heating and cooling system, they can also help to reduce your energy bills.

How Do Blackout Curtains Work?

Blackout curtains work by blocking light and sound from entering a room. The heavy fabric of the curtains is designed to absorb and block light, preventing it from passing through the material and into the room. This is achieved through a combination of tightly woven fabric and special coatings that are applied to the surface of the curtains.

In addition to blocking out light, blackout curtains also help to reduce noise. The heavy fabric helps to absorb sound waves, preventing them from passing through the material and into the room. This can be particularly useful for people who live in noisy environments, such as dense urban areas.

Thick blackout drapes blocking light when closed and allowing in light when open

Benefits of Blackout Curtains

Let’s look at some of the key benefits of using blackout curtains in your home:

Improved Sleep Quality

Blackout curtains can improve the quality of your sleep by creating a dark environment that promotes the production of melatonin, a hormone that helps regulate sleep. This can help you fall asleep faster, stay asleep longer, and wake up feeling more refreshed. They are essential if you work night shifts.

Energy Efficiency

Blackout curtains can help reduce energy costs throughout the year. In the hot summer months by blocking sunlight from entering your home, which can keep your home cooler. In the winter, these room darkening curtains act as an insulator that helps prevent heat loss. This means that you can see a difference on your energy bills over time.

Increased Privacy

A blackout curtain offers enhanced privacy by making it impossible for people outside to see into your home. This can be particularly beneficial if you live in a densely populated area, or if your windows face a busy street or sidewalk.

Noise Reduction

The heavy, opaque fabric used in blackout curtains also helps to reduce outside noise by absorbing sound waves. This can be especially helpful if you live in a noisy environment or if you work a night shift and need to sleep during the day. For people sensitive to outside sounds, noise pollution blackout curtains are the way to go. Sleep quality is essential for well being so these curtains can really help with helping get a better night’s sleep. 


Blackout curtains do not just come in black, they come in a wide range of colors, styles, and sizes, making them a versatile option for any home decor. They can be used in bedrooms, living rooms, media rooms, or any other area where you want to block out light and sound.


Installing blackout curtains can also add a touch of style and elegance to your home decor. At SAG Custom Curtains, we carry a wide range of colors, patterns, and textures, so you can easily find a set of blackout curtains that complements your personal style and enhances the look of your space.

Classy room with beautiful drapes

SAG Custom Curtains Has Many Great Options

At SAG Custom Curtains we believe everyone deserves a good night sleep and the right curtains are a good investment to help with that. We not only have fashionable shades of blackout curtains, we also have regular drapes and custom roman shades online for your shopping convenience.  

Blackout curtains offer a range of benefits that make them a smart investment. From improved sleep quality to energy efficiency and increased privacy, blackout curtains can help you create a comfortable living space that meets all of your needs. Order yours today!