Blackout curtains have been used for many years as a way to block out light from streaming through the windows. Not only are they used for blocking the light, but they are also used for keeping the heat out in the summer and the cold out in the winter. They help insulate the home from the hot sun of summer from penetrating the windows and heating up the home. It has the opposite effect when the chilly air of winter arrives; it helps to keep out the cold.

Blackout curtain liners, can block out the daylight, and allow you to get the sleep that you need. Many people have jobs that require them to work nights, such as a nurse, doctor, factory worker etc. Even if you don't have a job that requires night shifts, in the summer the sun rises early, making it hard for people to have a few extra hours of sleep. By adding a blackout curtain liner to your existing curtains, you can block out sunlight as much as 99.9%.

A blackout curtain lining can also reduce outside noise. With many people that live in the cities, or out in the suburbs, it's very hard to eliminate noise that surrounds us. Noise has been known to have a negative effect on people and animals. It has physical and psychological effects on the mind and body, causing illness. Although, your room will not be sound proof, by using blackout curtains, it can reduce the sound, significantly.

When it comes to the term blackout curtains, people assume that the curtains are black. This is definitely not the case as most of the material that is used is white. These curtains come in different sizes to fit any window, plus they come in patterns and prints for any age group. They are made of a tightly woven fabric that helps to eliminate any light from penetrating and in some brands of blackout curtains, they have multiple layers making up the thickness of the curtain.