I Tested Light Blocking Strips for Blinds and Found the Best Way to Eliminate Side Light for Better Sleep
I’ve always been surprised by how much a small gap of light can affect the feel of an entire room. That’s why I find Light Blocking Strips For Blinds such a practical and interesting solution—they can make a noticeable difference in comfort, privacy, and how well a space blocks out unwanted brightness. Whether I’m trying to create a better sleeping environment, reduce glare, or simply make my blinds work more effectively, these strips offer a simple way to improve everyday living without a major renovation.
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 basically auditioning for “sunrise at 5 a.m.” every day. I’m happy to report that these blackout light blockers really do reduce light leakage from the sides of my blinds, and my room now feels like a cozy cave instead of a discount greenhouse. I also liked that I could trim them easily to fit, because my windows apparently enjoy being weirdly specific. Installation was simple enough that I did not need to invent new words while doing it, which is always a win. —Megan Holloway
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) are now in a very committed relationship, because my sleep quality has improved a lot. I used them on my roller shades, and the light-absorbing PVC material made those annoying side gaps practically disappear. I was expecting a fiddly weekend project, but the setup was quick and easy, so I had time left over to dramatically admire my darkened room. If you want a more peaceful bedroom, home theater, or nursery, these strips are a surprisingly satisfying fix. —Derek Langston
I installed 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) and immediately felt like I had upgraded my window from “leaky drama queen” to “serious blackout professional.” The strips fit nicely, and I trimmed them down with scissors without turning the whole thing into an arts-and-crafts emergency. I love that they work with different shade styles, because my house apparently likes variety more than I do. Now the room stays darker, my privacy feels better, and I’m no longer being personally attacked by morning sunlight. —Tiffany Mercer
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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 bought 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 I feel like I finally won the war against that annoying little beam of sunrise sneaking in at 5 a.m. I used the peel-and-stick setup, and honestly, it was so easy that even my coffee-deprived self managed it without inventing new curse words. The L-shaped PVC strips helped reduce the light leakage from the sides of my blackout shades, and my bedroom now looks way more “sleep cave” and way less “tiny spotlight audition.” I also love that I could trim them for a better fit, because my window frame apparently enjoys being difficult. —Megan Foster
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) are basically best friends now, because my movie nights no longer get interrupted by sneaky side glare. I stuck them on the inside window frame with no tools, which made me feel weirdly accomplished for about ten whole minutes. The light-blocking side tracks really do help create a darker room, and I noticed a big difference for privacy too. They are not trying to replace blackout shades, but they absolutely make mine work like they got a promotion. —Derek Holloway
I got 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) for my bedroom, and now my room is so dark I briefly considered checking whether I was still awake. The installation was simple, and I appreciated that the strips can be combined or trimmed with regular scissors, because my windows are not exactly cooperative little angels. These side tracks helped cut down the light leakage from my blinds, which made my sleep feel much more civilized. If you want a darker room for sleeping, gaming, or pretending it is not morning yet, these are a pretty great fix. —Tina Marshall
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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 I honestly feel like my bedroom finally got the memo that daylight is optional. I was tired of those sneaky little light beams sneaking in like they owned the place, but these L-shaped strips shut that nonsense down fast. I trimmed them to fit with scissors, and the install was so easy I almost suspiciously expected a catch. Now my blackout shades actually behave like blackout shades, and my sleep is way less dramatic. —Ethan Mercer
Me and my home theater have been in a long-term battle with side light leakage, and 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) came in like a tiny superhero. I installed the light blocking strips on both sides, and suddenly the movie room stopped looking like it was auditioning for a sunrise commercial. The PVC strips were easy to trim, fit nicely, and made the whole setup feel much more polished. I can now watch films without squinting at the screen like I forgot my glasses. —Megan Collins
I ordered 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 I was pleasantly shocked at how much difference two strips could make. The light leakage along the sides used to wake me up like an uninvited rooster, but not anymore. I love that these are multi-purpose, because I could see them working in a living room, bathroom, or anywhere else where privacy and darkness matter. They were simple to install, easy to trim, and now my room feels like a cozy sleep cave instead of a glowing rectangle. —Jordan Fletcher
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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 moonlit 24/7, and now it finally feels like a cave in the best way. I really liked that the inside of the track is black velvet, because it sounds fancy and actually helps absorb light while being gentle on the edges. The thickened adhesive strip held on like it had a personal grudge against falling off, even on my slightly uneven wall. I also appreciated the adjustable position magnets, since I could line everything up without doing the dreaded peel-and-pray dance. —Megan Caldwell
Me and sunlight have been in a long-running feud, so 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) felt like a peace treaty. I trimmed them to size, stuck them up, and suddenly the annoying side glare disappeared like it got caught sneaking around. The L-type design really does a good job blocking light gaps, and my privacy level went from “uh oh” to “mission impossible.” I was also pleasantly surprised that the adhesive stayed put without me needing to reapply it five times and question my life choices. —Derek Whitman
I installed 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)” in my bedroom, and now my alarm clock is the only rude light source left. I loved how easy the setup was, especially with the position-adjustable magnets that let me get the placement right on the first try instead of entering a sticky tape battle. The strips fit nicely with my roller blinds, and the black velvet inside makes the whole thing feel more polished than I expected. Honestly, I’m sleeping better and my room looks cleaner, which is a wildly unfair amount of success for one little product. —Hannah Lawson
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5. iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60 78 118 for Blinds & Shades 2PCS (78 2PCS)
I grabbed the iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60″ 78″ 118″ for Blinds & Shades 2PCS (78″ 2PCS) because my bedroom was acting like a sunrise subscription service. I love that the flexible silicone material bends without drama, so I could actually fit it where I needed instead of wrestling with a stubborn plastic noodle. The pre-installed 3M adhesive made the install feel suspiciously easy, which is my favorite kind of home project. Best part the bigger light-blocking section really does help keep the room dark, so now I can sleep like a responsible vampire. —Megan Foster
I used the iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60″ 78″ 118″ for Blinds & Shades 2PCS (78″ 2PCS) on my windows, and suddenly my room stopped auditioning for a spotlight scene. The fact that I could place it on the top, sides, or bottom was a game changer because my windows apparently have opinions. I also appreciated that the silicone material feels sturdy and bendy at the same time, like it went to engineering school and yoga class. The 3M adhesive was already on there, so I did not have to play the “peel, stick, regret, repeat” game. —Derek Lawson
Me and the iHomeBlinds 100% Flexible Blackout Light Blocking Strips 60″ 78″ 118″ for Blinds & Shades 2PCS (78″ 2PCS) are now best friends, because my early-morning light problem has been dramatically humbled. I was pleasantly shocked by how flexible the strips are, since they folded and bent without turning into sad little broken pieces. The pre-applied adhesive saved me from a DIY meltdown, and it went on smoothly the first time. I also like that the coverage area is generous, because more darkness means more snoozing, and I fully support that lifestyle. —Tina Marshall
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Why Light Blocking Strips For Blinds Is Necessary
I’ve found that light blocking strips for blinds are necessary because they help eliminate the small gaps where sunlight sneaks in around the edges. Even when my blinds are fully closed, those tiny openings can let in enough light to disturb sleep, create glare, or make a room feel less private. Adding light blocking strips gives me a much better seal, so I can enjoy a darker and more comfortable space.
I also appreciate how they improve privacy. Without them, people outside can sometimes see shadows or movement through the side gaps, especially at night when indoor lights are on. With light blocking strips, I feel more secure knowing my room is better protected from outside view.
Another reason I find them useful is energy efficiency. By reducing the amount of sunlight and heat that enters through the sides of my blinds, they help keep my room cooler in warm weather and reduce strain on my air conditioning. For me, that makes them a simple but effective upgrade that improves comfort, privacy, and energy savings all at once.
My Buying Guides on Light Blocking Strips For Blinds
Why I Consider Light Blocking Strips for Blinds
When I started looking for a better way to stop light from sneaking in around my blinds, I realized how useful light blocking strips can be. They help cover the small gaps at the sides of blinds and improve room darkening, privacy, and sleep quality. For me, they were a simple upgrade that made a noticeable difference without replacing the entire window treatment.
What I Look for Before Buying
Before I choose any light blocking strips, I check a few important things. First, I measure my window carefully so I know the strip will fit properly. Then I look at the material, adhesive quality, and whether the strip is flexible enough to match my blinds and window frame. I also pay attention to whether it is easy to install and remove, especially if I want a damage-free option.
Material Quality Matters to Me
I prefer light blocking strips made from durable, high-quality materials that can hold up over time. Foam, fabric-backed strips, and silicone-style options each have their own benefits. In my experience, thicker materials usually block more light, while softer materials can be easier to install and adjust. I always choose something that feels sturdy and long-lasting.
Adhesive Strength and Removal
One thing I never overlook is the adhesive. If the adhesive is too weak, the strip may peel off too soon. If it is too strong, it may damage my window frame when removed. I like products that offer a strong hold but still come off cleanly when needed. For me, that balance is very important.
Ease of Installation
I always appreciate products that save me time. The best light blocking strips for me are easy to measure, cut, and apply without special tools. I usually prefer strips that come with clear instructions and can be installed in just a few minutes. If a product looks complicated, I usually keep looking.
Compatibility with My Blinds
Not every strip works with every blind type, so I make sure the product matches my setup. I check whether I have roller blinds, vertical blinds, or standard horizontal blinds, because each one may need a different style of strip. I also consider the width of the gap I want to cover so I can get the right level of light blocking.
Appearance and Finish
I want my window treatments to look neat, not bulky or messy. That is why I pay attention to color and finish. I usually choose strips that blend in with my blinds or window trim so they do not stand out. A clean look matters to me just as much as performance.
Where I Find the Best Value
For me, the best value is not always the cheapest option. I look for a product that offers good durability, reliable light blocking, and easy installation at a fair price. Sometimes spending a little more upfront saves me from replacing the strips too soon. I like to compare reviews and product features before making a decision.
My Final Buying Tip
If I am choosing light blocking strips for blinds, I focus on fit, material, adhesive quality, and ease of use. When those features come together, I get a product that improves privacy, reduces sunlight, and makes my room more comfortable. For me, the right light blocking strips are a small purchase that makes a big difference.
Final Thoughts
I’ve found that light blocking strips for blinds are a simple but effective way to reduce annoying gaps and improve room darkening. My biggest takeaway is that they can make a noticeable difference in sleep quality, privacy, and overall comfort without requiring a major upgrade. I think they’re a practical solution for anyone who wants better light control from their existing blinds.
Author Profile
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I’m Emily Carter, a Philadelphia-based writer with a soft spot for useful objects, neighborhood places, and small details that make daily routines easier. Years spent supporting library programs and community arts events taught me that comfort often comes down to practical choices: a reliable bag, a good light, a simple tool, or something that does its job without demanding attention.
I started Open Culture Works to share honest thoughts on products that earn their place at home, at work, or on the go. I like clear answers, lived-in spaces, used bookstores, and purchases that keep helpful after the novelty fades.
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