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Forum > Fabrics and more... > Does cotton vs polyester "breathe" better for a blackout curtain?? ( Moderated by CynthiaSue)

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Does cotton vs polyester "breathe" better for a blackout curtain??
rebecca la peca
rebecca la peca  Friend of PR
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Date: 8/26/13 3:49 PM

I currently have a 100% polyester blackout curtain hanging in my daughter's room. We also leave the room open at night, because the house gets warm and the breeze helps…

In the morning, her room is like a sauna!! All the hot air is trapped and not filtering.

I'm wondering if swapping the 100% polyester curtain for a 70/30 polyester/cotton Roc-lon drapery lining would help…if that 30% of cotton helps the air to come in/out from the window, instead of trapping it?

I'm hating to spend the $$$ to "test" it…so, hoping one of you wise seamstresses has figured this out…

Thanks!!

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faux domestic diva

Debbie Lancaster
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Subject: Does cotton vs polyester breathe better for a blackout curtain?? Date: 8/26/13 3:55 PM

Instead of a blackout fabric (which tends to be coated with something nonporous as well as non-light-transmitting), try a dark polar fleece. I use one in my room at night, and it works better. Something that really helps even more is a window fan in the opposite room that is blowing out, thus pulling air into the room with the open window.

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Debbie

skae
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In reply to rebecca la peca <<


Date: 8/26/13 4:01 PM

If you have 100% block the sun out
Curtains it shouldn't matter. Is her room
On the west south side ? To help you could
Go to menards and buy some of that
Window sun blocker that you put on the
Glass. That way the heat from the sun
Doesn't heat the room like a oven in the
Afternoon. A window shade that is heavy sun locker
Should help to. But look into that stuff
You put on the glass first.

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Ecclesiastes 11:7,8 Nothing on earth is more beautiful than the morning sun. Even if you live to a ripe old age, you should try to enjoy each day, because darkness will come and will last a long time. (CEV)

rebecca la peca
rebecca la peca  Friend of PR
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Date: 8/26/13 4:09 PM

It's definitely the curtains that pose the problem. If I open them up, the room breathes fine (air circulates around the room, and doesn't act like a sauna). I have fans, etc. During the day, it's totally fine---not too hot. Only a night, so it's not the sun, I can definitely say the curtains aren't allowing the air to circulate in/out of the window. That's why I'm wondering if cotton would be better? Or if 30% won't make a difference?

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faux domestic diva

BeckyNoSleep
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Subject: Does cotton vs polyester breathe better for a blackout curtain?? Date: 8/26/13 4:58 PM

The 30% cotton won't make a difference, because the Roclon fabric has a coating that seals out light and therefore won't let air pass, either. I used Roclon for blackout drapes in my daughter's room, and they do act as an "insulator" (mostly to keep the sun out, in our case). I can't really think of anything that would block light and not block air...

rebecca la peca
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In reply to BeckyNoSleep <<


Date: 8/26/13 5:20 PM

Oh, good point…forgot about the "coating". Crud. I wonder about a dark twill fabric?? At least that's 100% cotton… I worry that polar fleece will have the same issue of breath-ability, since it's polyester.

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Elona
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In reply to rebecca la peca <<


Date: 8/26/13 9:19 PM

What about putting up two rods on the window, one for the blackout, one for the 'pretty' fabric?

That's what we did, and we can open the window, pull the blackouts aside, and still have both privacy and breathability from the pretty curtains on the roomside rod.
-- Edited on 8/26/13 9:19 PM --

nopes
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Date: 8/27/13 0:05 AM

I'd also recommend solar/UV shades instead of blackout curtains of any fabric. They block out like 60% of UV rays during the day, keeping your room cooler, but are also made of mesh and allow a small amount of air to pass through. However, if its not enough, you can just roll them up a couple of inches so you still get the light blocked out, but don't obstruct the air flow. They also don't entirely obstruct your view either, so you can leave them down during the day but won't feel closed off. . You can find them at places like lowes or home depot, or online. You need your window measurements as they're cut to order. They aren't terribly expensive and easy enough to install.

Doris W. in TN
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Date: 8/27/13 3:14 AM

The solar shade fabric is an excellent idea. Might could be made as a roller shade or even a Roman shade.

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iPad's auto-correct is my enema.

Michelle T

Michelle T
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Date: 8/27/13 12:07 PM

Could your daughter sleep with her door open? That would allow for air circulation.

We have blackout lining on the windows of two bedrooms that face SE and also have street lights out front. We have a small fan on the windowsill and blow air around the side of the blind. It does allow some light in, but more importantly allows for airflow.

In another bedroom we have a double fan. One fan blows in, the other out (they can be set to blow the same direction too. We do not have blackout lining in that room, as it faces North and no street lights.

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Proud parent of a Dwight International School Honour Roll Student

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