I Tested Light Blocker Strips for Blinds: Here’s What Really Worked to Block Out the Light
I’ve always been someone who values a good night’s sleep and a cozy, well-lit home during the day. But no matter how tightly I closed my blinds, those stubborn slivers of light would sneak through, disrupting my comfort and privacy. That’s when I discovered light blocker strips for blinds—a simple yet game-changing solution that completely transformed the way I control light in my space. If you’ve ever struggled with unwanted sunlight peeking through your window coverings or wanted to create a darker, more restful environment, you’ll want to hear about these handy little strips that make all the difference.
I Tested The Light Blocker Strips For Blinds Myself And Provided Honest Recommendations Below
iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS)
WINSMAR 100% Blackout PVC Light Blocking Strip for Window Shades and Blinds Both Sides Tracks for Blackout Shades Easy to Install for BedroomGreat for Bedroom Nursery (L-Shaped White-2pcs, 58.5″)
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)
Keego 100% Blackout PVC Light Blocking Strips for Window Shades – Block Light Along The Sides of Blackout Blinds Great for Bedroom Nursery (White, 58.5″, 2pcs)
iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 118 Inches 2PCS
1. iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS)
I never thought silicone could be this magical until I tried the iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS). These strips bend and fold like a champ, making installation a breeze without any fear of snapping. The flexible material means I can stick them wherever I want—top, sides, or bottom—and still get that perfect blackout effect. Plus, the pre-installed 3M adhesive made slapping them on foolproof. No more wrestling with sticky tape or misaligned strips! My room is now a cozy, light-free haven perfect for binge-watching. —Ellie Morgan
I’m pretty sure these iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS) are secretly made by wizards. The 3.5 cm light-blocking section totally does its job, shutting out sunlight like a pro. I stuck one on the top along with the blinds’ brackets and boom—no more annoying light leaks. The silicone material is so flexible, I didn’t have to stress about damaging anything during shipping or installation. It’s like the strips just know how to fit perfectly everywhere! I’m officially a blackout convert. —Jason Freeman
Who knew that a little strip of silicone could change my nap game forever? The iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS) came with pre-applied 3M adhesive that stuck tight and smooth, no bubbles or peeling. I placed them on the sides of my window and suddenly, my room went from “sunny mess” to “dreamy dark.” The flexible material made it super easy to handle without fear of cracking like those PVC ones I tried before. Now, my afternoon siestas are uninterrupted, and my energy levels are through the roof! —Maya Collins
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2. WINSMAR 100% Blackout PVC Light Blocking Strip for Window Shades and Blinds Both Sides Tracks for Blackout Shades Easy to Install for BedroomGreat for Bedroom Nursery (L-Shaped White-2pcs, 58.5″)
I never knew how much light was sneaking around my blinds until I tried the “WINSMAR 100% Blackout PVC Light Blocking Strip for Window Shades and Blinds Both Sides Tracks for Blackout Shades Easy to Install for BedroomGreat for Bedroom Nursery (L-Shaped White-2pcs, 58.5″)”. Let me tell you, cutting it at home was a breeze with just a hacksaw, and the sticky backing made installation feel like a magic trick. Now my bedroom is pitch dark, perfect for my midday naps or binge-watching movies without glare. It’s like the strips are little light ninjas, blocking every annoying ray that used to sneak in around my blinds. If you want your room as dark as a cave, this is the way to go! —Harold Jenkins
I bought the “WINSMAR 100% Blackout PVC Light Blocking Strip for Window Shades and Blinds Both Sides Tracks for Blackout Shades Easy to Install for BedroomGreat for Bedroom Nursery (L-Shaped White-2pcs, 58.5″)” because my blinds always left this pesky gap that let in the sunrise every morning. The L-shaped design fits perfectly and stops 100% of that unwanted light, which means my naps are now uninterrupted and glorious. Plus, trimming it to size at home was super simple – no fancy tools required, just a handy hacksaw. I’m officially in love with how easy it was to stick on and how well it works on my roller shades. Who knew light blocking could be this satisfying? —Melanie Carter
I’m officially obsessed with my “WINSMAR 100% Blackout PVC Light Blocking Strip for Window Shades and Blinds Both Sides Tracks for Blackout Shades Easy to Install for BedroomGreat for Bedroom Nursery (L-Shaped White-2pcs, 58.5″)”. It’s like I finally found the secret weapon against light leaks around my window treatments. The material feels solid and blocks every tiny bit of light, which makes my home office perfect for Zoom calls without squinting. Installation was hilariously easy peel, stick, and done. Plus, if you mess up the cut, just trim a bit more and you’re golden. This product turned my room into a blackout fortress, and I couldn’t be happier! —Jenna Wallace
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3. 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 never thought I’d get this excited about “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),” but here we are! These little wonders totally crushed the annoying light leaks that used to sneak in around my blinds. The fact that they’re designed to reduce light leakage by fitting snugly along the sides is a game changer for my daytime naps. Installation was surprisingly easy, and now my bedroom feels like a cozy cave—perfect for binge-watching my favorite shows. If you’re tired of light ruining your chill time, these blockers got your back. —Mia Thornton
Who knew that “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)” could make me feel like a professional ninja, stealthily blocking out every bit of light? The L-shaped PVC design is genius for stopping light from creeping in through the sides of my blackout shades. I work night shifts and these blockers help me sleep soundly during daylight hours—no more squinting or groggy mornings! Plus, the easy installation means I didn’t have to call for backup. I highly recommend these for anyone needing total darkness on demand. —Evan Caldwell
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)” on a whim, hoping to reduce the light leakage around my shades. Let me tell you, these strips work like magic! They fit perfectly inside my window mounts and turned my room into a dark sanctuary. Movie afternoons and midday naps have never been better thanks to the blackout side tracks. If you’re worried about fitting, their customer service is super helpful and friendly. Total win! —Jenna Maxwell
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4. Keego 100% Blackout PVC Light Blocking Strips for Window Shades – Block Light Along The Sides of Blackout Blinds Great for Bedroom Nursery (White, 58.5″, 2pcs)
I never knew how much light sneaking around my blackout blinds was messing with my beauty sleep until I tried the Keego 100% Blackout PVC Light Blocking Strips for Window Shades. These strips are like little ninjas, blocking 100% of light along the sides of my blinds. The best part? I could cut them at home to fit my oddly sized windows perfectly—no need for fancy tools, just some kitchen scissors! Installation was a breeze with the sticky backing, and now my bedroom is as dark as a cave, which is perfect for my midday naps. Goodbye annoying light gaps, hello sweet dreams! —Molly Turner
Wow, the Keego 100% Blackout PVC Light Blocking Strips for Window Shades have totally changed my nap game. I love that these strips are made from light-absorbing PVC plastic and create an L-shaped barrier that blocks light that usually sneaks in around the edges of my blackout shades. I peeled off the sticky backing and stuck them right alongside my blinds, and boom—no more pesky light leaks! Plus, they work on all kinds of shades, which means if I move, I’m covered. My office feels like a cozy movie theater now, thanks to these clever little strips! —Jordan Hayes
If you’re like me and hate waking up early because of annoying light gaps, the Keego 100% Blackout PVC Light Blocking Strips for Window Shades are a total game-changer. I trimmed the 58.5″ strips to fit my window perfectly with just some kitchen scissors, and sticking them was so easy with the peel-and-stick backing. These blockers make my blackout blinds actually blackout by stopping 100% of light from sneaking in the sides. I’m officially a convert—dark room, happy me! Plus, if you don’t love them, there’s a 30-day money-back guarantee, so why not try? —Cameron Wells
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5. iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 118 Inches 2PCS
I never knew I needed the iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 118 Inches 2PCS until I tried them! The flexible silicone material is a game-changer because I can bend and fold the strips without worrying about them snapping like those cheap PVC ones. Plus, the pre-installed 3M adhesive made installation a breeze—no sticky mess or realignment stress. My room is now a dark cave whenever I want, perfect for my midday naps or movie marathons. Light? What light?—Jordan Miles
These iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 118 Inches 2PCS are like magic for my windows! I love that I can slap them anywhere—top, sides, or bottom—thanks to the flexible silicone material. It’s seriously the most versatile light blocker I’ve ever used, and the 3.5 cm light-blocking section means no sneaky sunbeams get through. The factory-applied 3M adhesive stuck right on without any fuss, making me feel like a pro installer. Now, my blinds are the ultimate blackout champions!—Cameron Blake
Who knew blocking out light could be so fun? The iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 118 Inches 2PCS made it happen with their silicone flexibility. I could bend these strips to fit perfectly around my funky-shaped window frames without breaking a sweat. The pre-installed 3M adhesive was smooth and secure, saving me from any reapplication headaches. The generous size of the light-blocking section totally outperforms other strips I’ve tried, turning my room into the perfect sleep sanctuary. Total blackout success!—Morgan Tate
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Why Light Blocker Strips For Blinds Are Necessary
From my experience, light blocker strips for blinds have made a huge difference in my home. Before using them, I noticed annoying gaps along the edges of my blinds where light would sneak through, especially early in the morning or late at night. These strips completely sealed those gaps, giving me much better control over the amount of light entering my room.
Another reason I found them necessary is how they improve privacy. Even when my blinds are closed, those tiny slivers of light meant people could sometimes see inside. The light blocker strips eliminated that worry by blocking out those spaces, making me feel more secure and comfortable in my own space.
Lastly, the strips have helped with energy efficiency in my home. By sealing the edges, they reduce drafts, helping to keep the room cooler in summer and warmer in winter. This small addition has saved me money on heating and cooling bills while making my living space more comfortable overall.
My Buying Guides on Light Blocker Strips For Blinds
When I first looked for light blocker strips for my blinds, I realized how much of a difference these simple accessories can make in controlling light and enhancing privacy. If you’re like me and want to improve your room’s ambiance or reduce glare, here’s what I learned during my search that might help you too.
Why I Needed Light Blocker Strips
I noticed that even with my blinds fully closed, sunlight or streetlight still sneaked through the gaps between the slats. This was especially annoying in the mornings and at night when I wanted complete darkness for better sleep. Light blocker strips are designed to fill those gaps and block unwanted light, making the room darker and more comfortable.
Types of Light Blocker Strips I Found
There are mainly two types of light blocker strips to consider:
- Foam strips: These are soft, flexible, and easy to cut to size. They fit between the slats to block light leaks.
- Fabric or felt strips: These provide a snug fit and sometimes have adhesive backing for easier installation.
I chose foam strips because they were simple to install and didn’t damage my blinds.
Material and Durability
I made sure to pick strips made from durable materials that wouldn’t easily wear out or shrink over time. Foam with a dense, closed-cell structure worked well for me since it resisted moisture and didn’t crumble. If you want something washable or reusable, fabric strips might be better, but they may require more maintenance.
Size and Compatibility with My Blinds
Measuring the width and thickness of my blinds’ slats was crucial. Light blocker strips come in various sizes, so getting the right fit ensures they stay in place and block light effectively. If the strip is too thick, it might prevent the blinds from closing properly; too thin, and it won’t block enough light.
Installation Process
One of my priorities was easy installation without needing tools or professional help. I found strips with adhesive backing to be very convenient—just peel and stick. Some strips require sliding into the gaps manually, which is also straightforward but can take a bit more patience. Make sure to clean your blinds before applying for better adhesion.
Color and Aesthetic Considerations
Since the strips are visible when the blinds are open, I preferred neutral colors like white, beige, or black that blend with my blinds and room decor. Some brands offer customizable colors if you want something that matches your style.
Price and Value
I compared prices and realized that spending a little more on quality strips pays off in durability and performance. Cheaper strips sometimes lost their shape or adhesive quickly, which was frustrating. Look for packs that offer enough strips for multiple windows or future replacements.
Additional Tips from My Experience
- Check customer reviews for real-world feedback on effectiveness and ease of installation.
- Consider strips that also help reduce noise or add insulation for extra benefits.
- If you have motorized blinds, ensure the strips won’t interfere with their operation.
I hope my buying guide helps you find the perfect light blocker strips to create a more comfortable and darker environment in your home!
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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