I am making some curtains for a friends little boy. Anyone have any suggestions as to what to use on the back of them so they help keep out the sunlight? She picked out a cotton fabric that she liked. Do you think if I backed them with fleece or flannel it would be enough to darken his room? Any other suggestions? Thanks!

they have the rubber like stuff at JoAnns by the yard and because the sun in Arizona is hard on everything I lined my RV Curtains with that. It works on keeping cold and hot out.

they actually make room darkening fabric...

I just used prewashed muslin it does a good job

I haven't made curtains in awhile but I used to line them with a fabric called "Rain No Stain". They held up very well.
I think they still sell it.
I hate making curtains! lol :D:D

JoAnn's has a lot of different backings to choose from. Get it when it's 50% off. If your confused, ask the women who work in there, that's what they are there for. I have used the Rain no Stain and really like that. One woman asked me to use the room darkening lining and she loves it. There is a thermal but I figured it would catch even more of my cat's fur. They even have white or ivory. I always thought they should have a dark color or dark drapes.

Is this stuff used for room darkening or is its original use something else?

Thanks! I am headed there tonight

I like this idea. It seems like the cheapest! How well does it work? They aren't looking for blackout just something to darken it up in the early mornings.

I hung a pair in my hall way just to see how they hung and it was working quite well to block out a lot of light. I just made the backing 1/2 inch shorter and narrower than the front the people that bought them were pleased They also do not need to worry about fading with muslin