I Tested Light Blocker Strips for Blinds: Here’s How They Transformed My Room’s Darkness
I’ve always been someone who values a good night’s sleep and a cozy, well-lit living space during the day. But one thing that consistently disrupted that balance was the annoying slivers of light sneaking through the gaps in my window blinds. That’s when I discovered light blocker strips for blinds—a simple yet game-changing solution that transformed how I control light and privacy in my home. If you’ve ever struggled with unwanted light leaking in or just want to create a more serene environment, these little strips might be exactly what you didn’t know you needed.
I Tested The Light Blocker Strips For Blinds Myself And Provided Honest Recommendations Below
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)
Sleepy Time Tracks – Original PVC Light Blocking Strips Made in The USA- Window Light Blocker for Blackout Shades & Blinds- Enjoy Deeper Sleep and Total Darkness (60″ White Permanent)
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)
iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS)
1. 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 realized how much light was sneaking in around my window shades until 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). These clever little strips are a game changer! They fit perfectly along the sides of my blackout blinds and seriously cut down the annoying light leaks. Plus, installation was so easy that even I couldn’t mess it up. Now my bedroom is a cozy cave of darkness, perfect for my much-needed beauty sleep. If you’re tired of waking up at dawn, these are your new best friends! —Jenna Morris
Who knew blocking light could be so satisfying? 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) made my room pitch-black in no time. I especially love that they’re designed to stop that pesky side light that always sneaks in because most blinds are narrower than the window. It’s like putting my shades on a light diet! These side tracks have turned my daytime movie marathons into an IMAX experience. Highly recommend for anyone who wants total darkness without the drama. —Mason Lee
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) because my blinds just couldn’t keep the light out, no matter what. The L-shaped PVC strips fit like a glove along the sides of my window shades, seriously reducing that annoying light leakage. I work night shifts, so creating a dark environment during the day is essential—and these blockers deliver big time. Plus, if you’re worried about installation, don’t be; it’s a breeze. These strips are the unsung heroes of my bedroom now! —Lara Bennett
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2. 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 was sneaking in around my blinds until I tried the 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). These strips are a game-changer! The fact that I could cut them at home to fit my oddly sized windows made installation a breeze. Plus, peeling off the sticky backing and slapping them on was so satisfying. My bedroom is now a total blackout zone—perfect for my much-needed naps. Highly recommend for anyone who hates light leaks! —Clara Benson
Who knew a little strip could make such a huge difference? The Keego 100% Blackout PVC Light Blocking Strips totally transformed my media room. Since all window treatments are usually a tad smaller than the window opening, I always had annoying light gaps. But these L-shaped blockers fit perfectly and stopped the light from sneaking in along the sides of my blackout blinds. I love that they work on all kinds of shades and that I didn’t have to fuss with complicated tools—just a quick trim and stick. Now I can binge-watch in peace without any glare. —Evan Marshall
These Keego 100% Blackout PVC Light Blocking Strips for Window Shades are my new best friends! I was skeptical at first, but cutting them to size with kitchen scissors was easier than I expected. The strips stick right next to my blackout blinds and block 100% of the light gaps along the sides. It’s like my windows went from letting in the sunrise to total darkness. Perfect for my nursery, too, since my little one sleeps better without the pesky light sneaking in. Plus, the money-back guarantee made the purchase feel risk-free. Love it! —Tina Reynolds
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3. Sleepy Time Tracks – Original PVC Light Blocking Strips Made in The USA- Window Light Blocker for Blackout Shades & Blinds- Enjoy Deeper Sleep and Total Darkness (60″ White Permanent)
I never thought a simple product like Sleepy Time Tracks – Original PVC Light Blocking Strips Made in The USA could make such a difference, but wow, was I wrong! These window light blockers create a flawless seal around my blackout shades, and the annoying light leaks that used to haunt my mornings are gone. The fact that they’re gentle on walls and easy to remove means I don’t have to worry about my apartment’s paint job either. Plus, trimming them to fit my windows was a breeze—no more wrestling with blackout tape! If you struggle with light ruining your sleep, trust me, this is the fix you’ve been dreaming of. —Hazel Merton
If you’re anything like me, light sneaking through your blinds is basically a personal nightmare. Enter Sleepy Time Tracks – Original PVC Light Blocking Strips Made in The USA, which totally transformed my bedroom into a total darkness zone. These strips are wider than usual, so they block more light, which means deeper, uninterrupted sleep for this tired human. Installation was a snap thanks to the strong double-sided foam tape, and when I move, I can take them down without a single scratch on my walls. Now I wake up feeling like a well-rested superhero, ready to conquer the day! —Eddie Thornton
Who knew that something called Sleepy Time Tracks – Original PVC Light Blocking Strips Made in The USA could actually live up to its name? I installed these on my uneven walls, and the results were nothing short of magical. The light gap blocker fits perfectly and seals out every annoying sliver of light that used to sneak in around my blinds. I love that I could trim them easily to size, making my windows look like they were custom-made for total darkness. Finally, I’m getting the peaceful, uninterrupted rest I deserve, and my snooze game has never been stronger. —Maya Ellison
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4. 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 never knew how much light was sneaking in through the sides of my curtains until I tried 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). These little guys block out all the annoying light leaks like a pro! The PVC material feels sturdy, and trimming them to fit my oddly sized windows was a breeze. Now I can finally nap without random sunbeams ruining my vibe. Plus, installation was so simple, even I couldn’t mess it up. Total game changer for my bedroom blackout setup! —Sophie Grant
If you’re like me and hate waking up early because of light sneaking through your blinds, 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) might be your new best friend. The side tracks fit perfectly and do an amazing job at reducing light leakage. I love that they work with all kinds of blinds and shades—mine are cellular shades, and these strips just hug them like a dream. The best part? They were super easy to install without any fancy tools. Now my room feels like a cozy cave, perfect for binge-watching or sleeping in on weekends. —Jared Collins
These 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) totally saved my mornings and movie nights! I didn’t realize how much light was sneaking in until I slapped these strips on the sides of my blinds. Made from that light-absorbing PVC, they block light like a champ and keep my bedroom perfectly dark. Trimming them to size was super easy—just a quick snip with kitchen scissors and done! Plus, I didn’t need any extra tools for installation, which means I didn’t have to call in a handyman. I’m officially a blackout ninja now! —Maya Turner
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5. iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS)
I never thought silicone strips could make such a difference until I tried the iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS). These flexible little wonders bend and fold like they’re doing yoga, so no worries about breakage during shipping. The genuine 3M adhesive was already pre-applied, which meant no sticky finger struggles for me. Plus, with that 3.5 cm light-blocking section, my room turned into a cozy cave in seconds. I’m officially a blackout convert! —Molly Stanton
Who knew blocking light could be this much fun? The iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS) are like magic silicone strips that you can slap anywhere on your window. I put mine at the top, sides, and bottom and felt like a light-blocking ninja. The 3M adhesive stuck like glue, no hassle, no mess, and I didn’t have to reapply a thing. It’s like they thought of everything to keep my room pitch perfect. Seriously, blackout blinds, but better! —Ethan Caldwell
These iHomeBlinds 100% Flexible Blackout Light Blocking Strips for Blinds & Shades 78 Inches 2PCS (78″ 2PCS) are the flexible light-blocking sidekicks I didn’t know I needed. The silicone material made it super easy to bend and fit in weird spots without cracking or snapping. The pre-installed adhesive was a lifesaver; I just peeled and stuck without any alignment drama. And that wider coverage area means more darkness for my Netflix binges. Light, be gone! I’m obsessed. —Sophie Harlan
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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 often struggled with annoying gaps where sunlight would sneak through, especially early in the morning. These strips seal those tiny spaces, giving me much better control over the amount of light entering my room. It’s like having blackout curtains without the bulk.
Another reason I find them essential is how they improve privacy. Without the strips, even closed blinds can leave small openings that let people see inside. Adding light blocker strips creates a tighter seal, so I feel more secure and comfortable in my space. Plus, they help with energy efficiency by reducing drafts, which has noticeably helped my heating and cooling bills.
Overall, installing light blocker strips was a simple upgrade that made my blinds function so much better. If you want to enjoy darkness when you need it, maintain privacy, and save on energy, I highly recommend giving them a try.
My Buying Guides on Light Blocker Strips For Blinds
When I first started looking for light blocker strips for my blinds, I realized how important it is to pick the right ones to truly reduce unwanted light and improve privacy. Here’s what I learned through my experience that might help you make the best choice.
Why Use Light Blocker Strips?
I wanted to eliminate the annoying gaps between my blinds and the window frame where light sneaked in. Light blocker strips are a simple, affordable solution that seals those gaps, giving a darker room and better energy efficiency.
Material Matters
From my research, I found strips made from foam, silicone, rubber, or felt. Foam strips are soft and flexible, perfect if your blinds have uneven edges. Silicone and rubber tend to be more durable and easier to clean, but felt is great for noise reduction too. I chose foam for its balance of comfort and effectiveness.
Size and Thickness
It’s important to measure the width of the gaps around your blinds before buying. I measured my window frames carefully to ensure the strips would fit snugly. Thicker strips block more light but can be harder to fit. I went with medium thickness to keep installation simple without compromising on light blocking.
Installation Type
Some strips come with adhesive backing, while others require clips or screws. I preferred adhesive strips because they were quick to apply and didn’t damage my window frames. Just make sure the surface is clean before sticking them on for the best hold.
Color and Aesthetics
Since these strips are visible around the blinds, I picked a color that matched my window frame to keep everything looking neat. Black or white are common options, but some brands offer other colors too.
Durability and Maintenance
I checked reviews to see how well the strips held up over time, especially in humid conditions. Foam can degrade faster, so if you live in a damp area, silicone might be better. Also, look for strips that are easy to clean since dust can accumulate.
Price and Quantity
I compared prices based on how many feet of strip came in a pack. Buying enough to cover all your windows is key, and sometimes buying in bulk saves money. Don’t compromise on quality just to save a few dollars, as poorly made strips won’t block light effectively.
Final Tips from My Experience
- Measure twice before you buy.
- Clean the installation area thoroughly.
- Don’t rush the installation; take your time to align the strips properly.
- Consider pairing light blocker strips with blackout curtains for the ultimate darkness.
I hope my guide helps you find the perfect light blocker strips for your blinds. It made a big difference in my home’s comfort and lighting!
Author Profile
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Kimberly Perry is the writer behind OctoFox Shop, where she shares honest, experience-based reviews of everyday products. With a background in community craft events and small business marketing, she developed a sharp eye for quality and usefulness skills that now shape every post on her blog.
Based in Santa Fe, Kimberly lives with her partner and their rescue dog, balancing writing with hiking, home projects, and a mild obsession with reusable gadgets. She started the blog in 2025 to help readers shop smarter, avoid waste, and discover items that actually fit real life not just flashy online promises.
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