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Total blackout or layered curtains: which actually works better?

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(@scottseeker944)
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Here's a weird fact I stumbled on: apparently, the color of your window coverings can affect how much heat gets trapped in your room, not just the light. Dark blackout curtains might block more sunlight, but they can also make the room hotter if the sun's beating down. I always thought blackout meant cooler, but nope—sometimes lighter colors with a blackout liner do better. Anyone tried those honeycomb blinds or layered setups? Curious what actually keeps the room both dark and not roasting.


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(@tobynelson997)
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I get where you're coming from, but honestly, I’m not sold on the idea that lighter blackout curtains always keep things cooler. In my experience, it’s more about how tight the seal is around the window than just color. I’ve seen plenty of rooms with fancy light-colored curtains still heat up because there’s a gap at the top or sides. Honeycomb blinds are decent for insulation, but if you want both darkness and real heat control, sometimes nothing beats a layered setup—curtain plus blind. Anyone actually found honeycomb shades to be enough on their own? I haven’t yet.


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(@jackm70)
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- Totally agree—honeycomb shades alone didn’t do much for my west-facing windows.
- Tried every “miracle” curtain, but unless I double up (blind + blackout), the room’s still an oven by 3pm.
- Gaps are the real enemy... I once rigged a towel above the curtain rod just to block that sneaky top light. Looked ridiculous, but hey, it helped.
- Layering is a pain to set up, but it’s the only thing that’s actually kept my living room cool-ish during July.


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animation_patricia
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(@animation_patricia)
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Gaps are the real enemy... I once rigged a towel above the curtain rod just to block that sneaky top light. Looked ridiculous, but hey, it helped.

Been there—my “solution” was a roll of aluminum foil tucked behind my blinds. Looked like a conspiracy theorist lived here, but it actually worked. For me, layered curtains (blackout + thermal) do way more than any single shade. The trick is making sure those gaps are sealed... draft stoppers at the bottom help too, though they’re not exactly pretty. At this point, my window’s dressed better than I am most days.


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Topic starter
(@scottseeker944)
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Definitely agree about the gaps being the main culprit—light and heat both sneak in wherever they can. I’ve experimented with a few setups in our 1960s ranch, and honestly, layering seems to be the sweet spot. What’s worked best for me: first, a white blackout roller shade mounted inside the frame, then heavier curtains (not too dark) hung wide and high so they overlap the wall a bit. That combo blocks most light and helps with heat, but yeah, it’s not exactly minimalist. Draft stoppers at the bottom are a must in summer and winter, though I wish there was a way to make them less awkward.


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literature_julie
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(@literature_julie)
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That’s pretty much the setup I landed on too, though I went with a darker shade for the roller since our summers get brutal. One thing I found: mounting the curtain rod a good 6-8 inches past the window frame on each side made a bigger difference than I expected. It’s not the sleekest look, but it really cuts down on those sneaky light leaks. Ever tried magnetic draft stoppers? I saw them online and wondered if they’re any less clunky than the usual ones.


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kevinarcher
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(@kevinarcher)
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That’s actually a great tip about extending the rod—I did something similar after realizing how much light was sneaking in around the edges. It’s not exactly designer, but it works way better than I expected. I haven’t tried those magnetic draft stoppers yet, but I’ve always wondered if they’d be less of a tripping hazard than the chunky ones you kick every time you walk by. My only hesitation is whether they’d actually stick well enough on old wooden frames... sometimes the “simple” solutions end up being more finicky than advertised.


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(@brian_lopez)
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- I get what you mean about the “simple” solutions being tricky.

sometimes the “simple” solutions end up being more finicky than advertised.

- Tried those magnetic stoppers last winter—honestly, they slid off my old frames after a few days.
- For blackout, layering curtains with a tight-fitting liner actually blocked more light for me than any draft stopper did.
- The layered look isn’t super modern, but it hides the gaps and works better than I expected.
- If you’re dealing with uneven wood, maybe stick to fabric-based fixes over magnets... less fiddly in the long run.


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camper97
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(@camper97)
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Yeah, I tried those magnetic stoppers too and they were a total flop on my warped old windows—felt like I was just rearranging magnets every few days. I’ve got layered curtains now, and honestly, they’re not winning any design awards, but blackout-wise? Way better than the fancy gadgets. Has anyone tried those stick-on foam strips for gaps? I’m tempted, but not sure if they peel paint or just peel off after a month...


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rbiker89
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(@rbiker89)
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Layered curtains are definitely more effective than any of those magnetic stoppers, especially with older or uneven window frames. I’ve run into the same issue—magnets just don’t cut it when the surface isn’t perfectly flush. As for the stick-on foam strips, I’ve used them in a couple of rooms. They do help with drafts and light leaks, but you’re right to be cautious. On painted wood, especially if the paint’s not fresh or if it’s a bit flaky, they can pull up some paint when you remove them. On newer finishes, they usually come off clean, but after a few months, the adhesive can start to lose grip, especially in humid rooms.

If you’re not too worried about a little touch-up paint down the line, they’re worth a shot for the price. Just don’t expect them to last forever. For me, heavy curtains plus a basic foam strip is about as good as it gets without replacing the whole window. Not pretty, but it works.


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