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How Do Blackout Curtains Work?

24/05/2017, 11:06

Blackout curtains are a convenient and flexible way of blocking out light in your bedroom, without having to sacrifice your sense of style or compromise on your interior decor.

Faux Silk Blackout Ring Top Curtains - Taupe

What Do Blackout Curtains Do?

Blackout curtains are curtains that have a backing made from an incredibly tightly woven fabric. This backing has multiple layers, for extra efficiency, and can block out up to 99.9% of all light. The most obvious benefit of this is that your bedroom stays nice and dark, but there are other benefits too.

By keeping light out, blackout curtains help stabilise the room’s temperature – they stop the sun from heating up your room in the summer, and they act as an insulating barrier in the winter too. In addition, they can provide an extra barrier to help with noise pollution as well. They won’t make your bedroom or “cinema room” sound proof, but they will help muffle sounds from the road outside.

Saving Energy

Even if you have double glazing, you will still be losing a lot of heat through your windows, especially if your windows are several years old. The gases that act as a thermal barrier between panes in double glazed windows leak out steadily over time, reducing their efficiency. A good set of blackout curtains can reduce thermal loss by as much as 25 percent, so they will pay for themselves very quickly, and save you money on your heating bills.

Curtains vs Liners

Blackout curtains come in a few different styles. Some people like to hang blackout curtains behind their regular curtains, so that they can enjoy the insulation benefits while still having bright, vibrant curtains in whatever pattern they choose. Some people purchase blackout curtains that are designed to look more like regular drapes, and hang those by themselves.

A third option is to line your existing curtains with a heavy liner. This will give you thick, heavy and luxurious looking curtains that are very effective at blocking out light. 

To get the most out of your blackout curtains, make sure that they are long enough to cover the whole window, with a little overlap onto the wall on all sides. If possible, buy wraparound curtain rods that will bring the curtains back towards the wall on both sides to block out as much light as possible.  If you are using blackout curtains behind your regular curtains, use an inside mount, and measure from wall to wall, so that the curtains overlap the frame for maximum effectiveness. 

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