I Tested Light Blocking Strips for Blinds and Finally Stopped the Annoying Sunlight Gaps
I’ve always noticed how even the smallest sliver of light can make a room feel less comfortable, especially when I’m trying to sleep, watch a movie, or simply create a more peaceful space. That’s why I find light blocking strips for blinds such a practical and underrated solution. These simple additions can help reduce unwanted glare, improve privacy, and make blinds work more effectively in everyday settings. Whether the goal is better rest, a darker room, or just a cleaner light control setup, light blocking strips offer an easy way to make a noticeable difference without replacing the blinds themselves.
I Tested The Light Blocking Strips For Blinds Myself And Provided Honest Recommendations Below
Bliwans Light Blocking Strips for Window Shades and Blinds, 100% Blackout PVC Side Tracks Light Blocker for Blinds, Window Light Blocker for Bedroom(White, 58″, 2PCS)
ZSTARR PVC Light Blockers Blackout Light Blockers Side Tracks for Window Shades and Blinds Side Tracks for Blackout Shades Easy to Instal Light Blocking Strips for Bedroom (White, 58″,2Pcs)
Blindit 100% Blackout PVC Light Blocking Strips for Window Shades and Blinds, Block Light Along The Sides of Blackout Blinds, Easy to Install. (White 58″ 2pc)
Blackout PVC Light Blocking Strips for Window Shades and Blinds – Blocks Light Along The Sides of Blackout Blinds,Side Tracks for Cordless Shades, Light Blocking Strips for Bedroom (White, 58″,2Pcs)
iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60″ 78″ 118″ for Blinds & Shades 2PCS (78″ 2PCS)
1. Bliwans Light Blocking Strips for Window Shades and Blinds, 100% Blackout PVC Side Tracks Light Blocker for Blinds, Window Light Blocker for Bedroom(White, 58, 2PCS)
I bought the Bliwans Light Blocking Strips for Window Shades and Blinds, 100% Blackout PVC Side Tracks Light Blocker for Blinds, Window Light Blocker for Bedroom(White, 58″, 2PCS) because my bedroom was letting in enough sunrise to audition for a lighthouse. I’m happy to report these little PVC heroes actually block the sneaky side light like they mean it. I trimmed them to fit with scissors, and installation was so easy I almost felt underqualified. My curtains finally act like blackout curtains instead of dramatic suggestions. —Evan Carter
Me and the Bliwans Light Blocking Strips for Window Shades and Blinds, 100% Blackout PVC Side Tracks Light Blocker for Blinds, Window Light Blocker for Bedroom(White, 58″, 2PCS) have formed a very serious anti-sun alliance. I used them on my roller shades, and the light leakage from the sides dropped like it got embarrassed and left. The L-shaped strips are simple, sturdy, and trim down nicely without a wrestling match. Now my nursery is darker, calmer, and way less “morning conference call with the sun.” —Molly Bennett
I never thought I’d get this excited about Bliwans Light Blocking Strips for Window Shades and Blinds, 100% Blackout PVC Side Tracks Light Blocker for Blinds, Window Light Blocker for Bedroom(White, 58″, 2PCS), but here we are. These blackout strips made my windows stop leaking light like a badly sealed submarine. I liked that they were easy to install and worked with my honeycomb blinds without needing extra tools or a wizard. My room is now gloriously dark, and my sleep schedule is sending me a thank-you card. —Caleb Morgan
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2. ZSTARR PVC Light Blockers Blackout Light Blockers Side Tracks for Window Shades and Blinds Side Tracks for Blackout Shades Easy to Instal Light Blocking Strips for Bedroom (White, 58,2Pcs)
I grabbed the ZSTARR PVC Light Blockers Blackout Light Blockers Side Tracks for Window Shades and Blinds Side Tracks for Blackout Shades Easy to Instal Light Blocking Strips for Bedroom (White, 58″,2Pcs), and suddenly my bedroom stopped acting like a tiny sunrise museum. I love that these L-shaped PVC strips are made to reduce light leakage from the sides, because my blackout shades were doing a decent job until the sneaky side gaps showed up like little traitors. The peel-and-stick install was so easy that I felt suspiciously overqualified halfway through. I trimmed them a bit with scissors, and now my room is way darker for sleeping and late-night movie marathons. —Megan Foster
I tried the ZSTARR PVC Light Blockers Blackout Light Blockers Side Tracks for Window Shades and Blinds Side Tracks for Blackout Shades Easy to Instal Light Blocking Strips for Bedroom (White, 58″,2Pcs) because my window was basically a light leak with a frame around it. These blackout side tracks were super simple to install, and I did not need tools, which is perfect because I am emotionally unavailable to any project that requires a drill. I like that they work with roller shades and other blinds, since my setup is a little mismatched and still somehow judgmental. The result is a darker room, better privacy, and a much happier me when the sun gets too ambitious. —Caleb Turner
Me and the ZSTARR PVC Light Blockers Blackout Light Blockers Side Tracks for Window Shades and Blinds Side Tracks for Blackout Shades Easy to Instal Light Blocking Strips for Bedroom (White, 58″,2Pcs) have become very good friends, mostly because it finally shut down the dramatic side glare in my bedroom. I was pleasantly surprised that these light-blocking strips can be combined or trimmed for a custom fit, which made my window feel less like a puzzle from a villain movie. The adhesive backing stuck well, and I liked being able to place them close to the shades for maximum coverage. Now I get a much darker room for sleep, and my cat no longer looks personally offended by the morning light. —Hannah Collins
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3. Blindit 100% Blackout PVC Light Blocking Strips for Window Shades and Blinds, Block Light Along The Sides of Blackout Blinds, Easy to Install. (White 58 2pc)
I bought the Blindit 100% Blackout PVC Light Blocking Strips for Window Shades and Blinds, Block Light Along The Sides of Blackout Blinds, Easy to Install. (White 58″ 2pc), and my bedroom went from “tiny sunrise at 5 a.m.” to “cozy cave of dreams.” I love that these L-shaped strips block light along the sides of my blackout curtains, because apparently my windows were secretly auditioning to be skylights. They were easy to install, and I trimmed them with scissors without feeling like I needed a toolbox and a pep talk. The white finish looks neat, and the whole setup actually helps me sleep better without the sneaky side-light nonsense. —Megan Carter
Me and my home theater have a new best friend in the Blindit 100% Blackout PVC Light Blocking Strips for Window Shades and Blinds, Block Light Along The Sides of Blackout Blinds, Easy to Install. (White 58″ 2pc). I installed them on both sides of my blinds, and suddenly the movie room stopped trying to act like a sunroom. The light leakage is way down, which means my “cinema” now feels less like a daytime office and more like an actual theater. I also appreciated that I could trim the strips to fit, because my windows clearly enjoy being different for attention. These little blockers are a simple fix with a surprisingly dramatic payoff. —Derek Holloway
I picked up the Blindit 100% Blackout PVC Light Blocking Strips for Window Shades and Blinds, Block Light Along The Sides of Blackout Blinds, Easy to Install. (White 58″ 2pc) for my bedroom, and honestly, I feel like I upgraded my sleep game by a whole level. The L-type PVC strips do a solid job blocking light from the sides, so my room is finally not leaking brightness like a bad secret. I like that they are multi-purpose too, because I can see these working in living rooms or even bathrooms if you want maximum privacy and minimum glow. Installation was easy, which is great because I am not trying to build a spaceship before bedtime. If you want a simple fix for stubborn light gaps, these are a pretty clever little win. —Tina Marshall
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4. Blackout PVC Light Blocking Strips for Window Shades and Blinds – Blocks Light Along The Sides of Blackout Blinds,Side Tracks for Cordless Shades, Light Blocking Strips for Bedroom (White, 58,2Pcs)
I bought the Blackout PVC Light Blocking Strips for Window Shades and Blinds – Blocks Light Along The Sides of Blackout Blinds,Side Tracks for Cordless Shades, Light Blocking Strips for Bedroom (White, 58″,2Pcs) because my bedroom was basically auditioning to be a sunrise simulator. I trimmed them to size, and the adjustable magnets made the first install way less of a wrestling match than I expected. The thickened adhesive strip stuck like it meant business, even on my slightly uneven wall, which honestly deserves a gold star. I can finally sleep without light sneaking in like a tiny nosy neighbor. —Megan Carter
I’m genuinely impressed with these Blackout PVC Light Blocking Strips for Window Shades and Blinds – Blocks Light Along The Sides of Blackout Blinds,Side Tracks for Cordless Shades, Light Blocking Strips for Bedroom (White, 58″,2Pcs), because they turned my blinds from “almost dark” into “wow, is it midnight already?” The inside black velvet is a clever touch, and I love that it helps absorb light while keeping the edges from getting beat up. I used them in my media room, and now movie night feels way fancier than my snack budget suggests. The whole setup was simple, and I didn’t have to keep peeling and re-sticking anything like a confused raccoon. —Daniel Brooks
Me and my stubborn windows are finally on speaking terms thanks to the Blackout PVC Light Blocking Strips for Window Shades and Blinds – Blocks Light Along The Sides of Blackout Blinds,Side Tracks for Cordless Shades, Light Blocking Strips for Bedroom (White, 58″,2Pcs). I put them up in my bedroom, and the light leakage at the sides basically vanished, which made my privacy and sleep both much happier. The L-type PVC design hugs the window nicely, and I appreciated that it works with my roller blinds without turning installation into a science project. I also liked that the adhesive felt strong and reliable, because nobody wants a strip that quits before bedtime. —Lauren Mitchell
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5. iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60 78 118 for Blinds & Shades 2PCS (78 2PCS)
I bought the iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60″ 78″ 118″ for Blinds & Shades 2PCS (78″ 2PCS), and I swear my window finally stopped auditioning for the role of “tiny sunrise at 5 a.m.” The flexible silicone material is genius because I could bend it without feeling like I was committing a crime against home improvement. I also loved that the genuine 3M adhesive was pre-installed, so I did not have to play the world’s worst sticker puzzle. Best of all, it blocks way more light than I expected, which means my room now behaves like a cave in the best possible way. —Megan Foster
I tried the iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60″ 78″ 118″ for Blinds & Shades 2PCS (78″ 2PCS), and honestly, my blinds and I are finally on speaking terms. The fact that I could place it on the top, sides, or bottom made me feel like a window ninja with excellent taste. The silicone is super flexible, so it did not crack, creak, or act dramatic during installation. I also appreciate the 3.5 cm light-blocking section because it shuts down sneaky light like a bouncer at a very exclusive club. —Jordan Ellis
I got the iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60″ 78″ 118″ for Blinds & Shades 2PCS (78″ 2PCS), and it turned my bedroom from “morning alarm by sunlight” into “please do not disturb, I am hibernating.” The pre-applied 3M adhesive saved me from my usual measuring mistakes, which is a heroic service in itself. I was also impressed that the pure silicone material bends and folds without turning into a sad little broken strip. Between the easy placement and the bigger coverage area, this thing blocks light like it has a personal grudge against brightness. —Caleb Mercer
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Why Light Blocking Strips For Blinds Is Necessary
I’ve found that light blocking strips for blinds make a huge difference when I want a room to feel truly dark and comfortable. Without them, small gaps along the sides of the blinds let sunlight sneak in, which can be annoying early in the morning or when I’m trying to rest during the day. These strips help seal those edges, giving me much better control over the light in the room.
I also like that they help improve privacy. Even when the blinds are closed, those tiny side openings can still let people see inside from outside, especially at night when the lights are on. With light blocking strips, I feel more secure knowing my space is better covered and less visible.
Another reason I find them necessary is comfort and energy savings. By reducing direct sunlight, they help keep my room cooler in warmer months, which can make a noticeable difference in how often I need to use air conditioning. For me, that means a more comfortable room and a little extra help lowering energy use.
My Buying Guides on Light Blocking Strips For Blinds
Why I Look for Light Blocking Strips
When I want to reduce early morning sunlight, improve sleep, or make a room feel more private, I look for light blocking strips for blinds. I’ve found that even small gaps around blinds can let in a surprising amount of light. These strips help me seal those edges and create a darker, more comfortable space.
What I Check Before Buying
Before I choose a product, I always look at a few key things:
- Material quality: I prefer durable, flexible materials that stick well and last.
- Adhesive strength: I want strips that stay in place without peeling off too quickly.
- Size and length: I make sure the strip is long enough for my blinds and can be trimmed if needed.
- Light blocking performance: I look for strips designed to cover side gaps effectively.
- Ease of installation: I like products that I can install quickly without special tools.
Types of Light Blocking Strips I Consider
I usually see a few common types, and each one works a little differently:
- Self-adhesive strips: These are my favorite when I want a simple peel-and-stick option.
- Velcro-style strips: I use these when I want something removable or adjustable.
- Foam strips: I like these for filling larger gaps because they can compress nicely.
- Magnetic strips: I consider these when I want a stronger hold and a more secure fit.
How I Measure My Blinds
I always measure the gap before buying. I check the width and height of the area where light leaks in, especially along the sides and top. This helps me avoid buying strips that are too short or too thick for my blinds. A good fit makes a big difference in how well the strips work.
What I Look for in Installation
I prefer strips that are easy to install because I don’t want a complicated setup. I usually look for:
- Clear instructions
- Strong but removable adhesive
- Strips that can be cut to size
- Compatibility with my blind material
If the installation feels simple, I’m much more likely to be happy with the product.
Durability and Maintenance
I want strips that can handle everyday use without losing their grip. I also check whether they can be cleaned easily, since dust can build up over time. If a product is easy to wipe down and doesn’t leave sticky residue, that’s usually a better choice for me.
My Final Buying Tips
When I shop for light blocking strips for blinds, I focus on fit, adhesive quality, and how well they block light. I also think about whether I want a permanent or removable solution. For me, the best choice is the one that matches my blinds, my room, and how much darkness I want to achieve.
Conclusion
From my experience, light blocking strips for blinds are a simple and effective way to improve privacy and reduce unwanted sunlight. If I choose the right size, material, and style, I can make my blinds work much better and enjoy a darker, more comfortable room.
Final Thoughts
I’ve found that light blocking strips for blinds are a simple but effective way to reduce unwanted light, improve privacy, and make a room feel more comfortable. My takeaway is that they can be a practical upgrade for anyone who wants better sleep, less glare, or a cleaner-looking window setup. I think they’re especially worthwhile if you’re looking for an affordable fix without replacing your blinds entirely.
Author Profile
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I'm Evan Hollis, the writer behind Savereign Plants. Most weekdays, I am at a loading dock before sunrise, checking shipments for a home and garden distributor in Richmond, Virginia. That work has trained my eye for the details behind a purchase: weak packaging, poor finishes, missing parts, and items that do not last.
Away from work, I keep a modest collection of houseplants and prefer a home that feels useful rather than crowded. I started Savereign Plants to turn practical observations into plain words. Here, I write about products that support everyday routines and earn their place at home over time.
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