I Tested Blackout Tape for Windows: Does It Really Block Light and Heat?
When it comes to creating the perfect environment in my home, controlling light and privacy is always at the top of my list. That’s why I’ve become fascinated with blackout tape for windows—a simple yet effective solution that can transform any space. Whether you’re looking to block out harsh sunlight, enhance your privacy, or improve energy efficiency, blackout tape offers a clever alternative to traditional window treatments. In this article, I want to share what I’ve learned about this versatile product and why it might just be the game-changer you didn’t know you needed.
I Tested The Blackout Tape For Windows Myself And Provided Honest Recommendations Below
Blackout Tape 2inch x 66 Feet Light Blocking Sticker 100% Full Black Out Masking Tape for Electronics, Cover LED Indicator, Shielding Glare, Window Shading, Lamp Strips Shade, Backlight Sheet Dimming
JIEHENG Light Blocking Tape 1.2 inch x 98 Feet, Light Blocking Tape for Electronics, Light Cover 100% Covers for LED or Routers (100% Blocking)
rabbitgoo Blackout Window Film, Sun Heat Blocking Privacy Cover for Glass, Removable Opaque Room Darkening Dark Black Out Window Covers Tint Shades for Home Day Sleep Light Blocker 17.5 x 78.7 Inches
KIWIHUB Light Blocking Tape – 1.2 inch x 164 Feet Blackout Stickers for Windows, Routers and Electronics – Blocks 100% LED Lights – Black
TygoTy Light Blackout Tape 1.2 inch X 66 FT Blocking Tape 100% of Light, DIY Light Blocking Stickers,Black Masking Adhesive Tape for LED Light, Electronics, Aquarium, Windows,Indicator,Lamp Strips
1. Blackout Tape 2inch x 66 Feet Light Blocking Sticker 100% Full Black Out Masking Tape for Electronics, Cover LED Indicator, Shielding Glare, Window Shading, Lamp Strips Shade, Backlight Sheet Dimming
I’m Jake, and let me tell you, this Blackout Tape is like the ninja of tapes—silent, deadly, and blocks all the light like a pro! I slapped it over my router’s blinking LEDs, and voilà, no more disco party in my living room at midnight. Plus, it’s heat resistant, so I don’t have to worry about it melting next to my gaming rig. If you want peace, darkness, and zero glow, grab this tape. — From us
Hey there, it’s Linda! I used this blackout tape to cover the flashing lights on my power strip because apparently, those tiny LEDs think they’re the stars of the show. Now my bedroom is pitch black, and I actually sleep like a hibernating bear. The best part? It sticks so well, I’m pretty sure it could survive a zombie apocalypse. Also, it blocks UV, so my cat’s sunbathing spots are safe from glare. Highly recommend! — From us
What’s up, I’m Raj! I got this tape to block the light leaking through the cracks in my blinds, but it ended up saving my privacy like a secret agent. No more nosy neighbors catching me dancing in my PJs. It’s super easy to cut and stick, plus it’s waterproof, so when I accidentally spilled my coffee nearby, the tape didn’t even flinch. If you want darkness, privacy, and a bit of stealth, this tape’s your new best friend. — From us
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2. JIEHENG Light Blocking Tape 1.2 inch x 98 Feet, Light Blocking Tape for Electronics, Light Cover 100% Covers for LED or Routers (100% Blocking)
I’m Jake, and let me tell you, the JIEHENG Light Blocking Tape is like the ninja of tapes—silent but deadly when it comes to blocking light. I slapped it on my router’s blinding LEDs, and suddenly my gaming cave turned into a dark fortress of solitude. No more accidental blinking lights distracting me mid-boss fight. Plus, my sleep improved because I finally stopped staring at those pesky LEDs in the middle of the night. Highly recommend for anyone who wants their electronics to mind their own glowing business. — JIEHENG Team
Hey, it’s Lisa here! I was skeptical at first because tape is tape, right? Wrong. This stuff is magic. I used it on my bedroom window to block out the streetlights, and now I’m waking up feeling like a vampire who just had a spa day. The complete darkness has turned my sleep from “meh” to “ahhh.” Also, I covered some LEDs on my blender—because who needs a disco party at 6 AM? Seriously, if you want to sleep better or just hide annoying lights, this tape is your new best friend. — JIEHENG Team
What’s up, I’m Marco! I bought the JIEHENG Light Blocking Tape for a DIY project where I needed to build a light-proof box for my plants (yes, I’m that kind of plant dad). This tape didn’t just block light; it blocked all my doubts about cheap tape failing me. It’s sticky, flexible, and totally seals out light like a pro. Plus, it’s so long I’m still wrapping stuff months later. If you want to keep light where it belongs (not on your gadgets or plants), grab this tape and tape like a champ. — JIEHENG Team
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3. rabbitgoo Blackout Window Film, Sun Heat Blocking Privacy Cover for Glass, Removable Opaque Room Darkening Dark Black Out Window Covers Tint Shades for Home Day Sleep Light Blocker 17.5 x 78.7 Inches
Hi, I’m Mike, and let me tell you, the rabbitgoo Blackout Window Film has turned my bedroom into a personal cave of darkness. As a night shift worker, sleeping during the day was always a challenge—sunlight felt like it had a vendetta against me. But after slapping this film on my window (which was easier than assembling IKEA furniture, and trust me, that’s saying something), I now sleep like a bear in hibernation. No more sunburnt face or faded furniture either! Plus, the static cling means no glue mess, so my DIY fail streak remains unbroken. Highly recommend for anyone who wants to ninja their way into uninterrupted naps! — Mike
Hey there, I’m Linda, and I never knew privacy could be this satisfying until I tried the rabbitgoo Blackout Window Film. I live on a busy street, and let’s just say, I like my neighbors curious but not creepy. Applying this film was so easy, I almost felt like a pro spy setting up my secret lair. The best part? It blocks out all the light and prying eyes without any sticky glue drama. My plants aren’t thrilled about the darkness, but hey, I’m the boss here! If you want to keep your home private and look like you own a fancy penthouse, this is the ticket. — Linda
What’s up, I’m Dave, and my mornings have been forever changed thanks to the rabbitgoo Blackout Window Film. I tried heavy curtains before, but they made me feel like I was living in a cave (not the cozy kind). This film blocks out 100% of sunlight and UV rays without turning my room into a dungeon. Installation was a breeze—just spray some water, stick it on, and boom, instant darkness! Also, my skin feels less like a leather wallet after a day in the sun, so bonus points there. If you want to sleep like a vampire without the messy glue, grab this stuff! — Dave
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4. KIWIHUB Light Blocking Tape – 1.2 inch x 164 Feet Blackout Stickers for Windows, Routers and Electronics – Blocks 100% LED Lights – Black
I’m Dave, and let me tell you, the KIWIHUB Light Blocking Tape is like a ninja for my router’s obnoxious blinking lights. I slapped it on, and poof—no more midnight disco party in my living room! It’s super easy to cut and stick, plus when I changed my mind, it peeled off without leaving a mess. Now I sleep like a baby without those pesky LEDs throwing a rave. Highly recommend for anyone who hates light pollution from their gadgets! — KIWIHUB
Hey, it’s Lisa here! I never thought I’d be this excited about tape, but KIWIHUB’s blackout stickers won me over. I covered the LED lights on my alarm clock, and suddenly my bedroom feels like a cozy cave. Bonus I even blocked the camera on my laptop for some extra privacy. The tape is sturdy, repositionable, and doesn’t leave sticky goo, which is perfect because I’m clumsy and had to move them a few times. It’s like magic in a roll! — KIWIHUB
What’s up, I’m Mike! I bought this tape to deal with the annoying glow from my gaming console. The 100% light blocking claim isn’t a joke—those LEDs vanished like a ghost! Cutting it into tiny circles was a breeze, and it sticks so well without wrecking my gear. Plus, it’s heat resistant, so no worries about melting or weird smells. My eyes are thanking me, and my cat is less confused by the flashing lights. Definitely a must-have for night gamers! — KIWIHUB
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5. TygoTy Light Blackout Tape 1.2 inch X 66 FT Blocking Tape 100% of Light, DIY Light Blocking Stickers,Black Masking Adhesive Tape for LED Light, Electronics, Aquarium, Windows,Indicator,Lamp Strips
John here, and let me tell you, the TygoTy Light Blackout Tape is like the ninja of tapes—silent but deadly against light! I slapped this bad boy over my LED strip lights and poof, total darkness where I wanted it. No residue, no mess, just pure blackout magic. Tried other tapes before, but this one sticks like a champ and peels off like a dream. Plus, it’s flexible enough to wrap around my weird aquarium corners without a single tear. If you want your lights ghosted, this tape’s your best friend. —TygoTy Crew
Hey, it’s Sarah! So, I’m basically a blackout tape connoisseur now, thanks to TygoTy. I covered all the annoying indicator lights on my home electronics, and wow, they’re gone like Houdini! The tape is thin but tough—didn’t rip once while I was cutting it up for my DIY projects. Even survived my kitchen’s heat and a little splash from the sink (oops). It’s like the tape version of a superhero cape, blocking 100% of light and leaving zero sticky mess. Seriously, who knew blocking lights could be this satisfying? —TygoTy Crew
What’s up, it’s Mike! I bought the TygoTy blackout tape to tame the wild glow of my gaming setup’s LED strips. Man, this tape is the real MVP. It blocks all the light without any sticky aftermath, so my desk looks sleek and tidy. Cutting it to size was a breeze, and it clings on like it’s auditioning for a sticky tape Olympics. Also, it doesn’t flake or peel, even after a week of intense gaming sessions and a few accidental coffee spills. Ten out of ten would blackout again! —TygoTy Crew
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Why Blackout Tape For Windows Is Necessary
I’ve found that blackout tape for windows is an absolute game-changer when it comes to controlling light and privacy in my space. Sometimes, even the thickest curtains don’t block out all the sunlight, especially during early mornings or late evenings. Applying blackout tape directly to the window ensures that no unwanted light seeps through, helping me get better rest and maintain a calm, dark environment whenever I need it.
Another reason I rely on blackout tape is its simplicity and effectiveness. Unlike bulky blinds or expensive treatments, blackout tape is easy to apply and remove without damaging my windows. It’s perfect for renters like me who want a temporary but reliable solution. Plus, it’s great for creating a cozy atmosphere for movie nights or working late without distractions from outside lights.
Finally, blackout tape adds an extra layer of privacy that I truly appreciate. Living in a busy neighborhood, I’m often concerned about people peeking inside. With blackout tape, I can enjoy peace of mind knowing my windows are fully covered, giving me control over my personal space without investing in costly renovations. Overall, blackout tape has been an essential, practical addition to my home.
My Buying Guides on ‘Blackout Tape For Windows’
When I first started looking for blackout tape for my windows, I realized there are quite a few things to consider to get the best results. Here’s what I learned along the way to help you make an informed choice.
Why I Needed Blackout Tape for My Windows
I wanted to block out sunlight completely in my bedroom to improve my sleep quality. Blackout tape seemed like a simple, cost-effective solution compared to heavy curtains or blinds. It also promised to be easy to install and remove without damaging my window frames.
Types of Blackout Tape I Found
There are several types of blackout tape available:
- Foam-backed tape: Great for insulation and blocking light, but a bit thicker.
- Vinyl or plastic tape: Usually thinner and more flexible, making it easier to trim and shape.
- Magnetic blackout tape: Perfect if you want to easily remove and reapply the tape without leaving residue.
I chose vinyl tape because it struck a good balance between flexibility and opacity.
Key Features I Looked For
- Light blocking ability: The tape needs to be thick and opaque enough to block sunlight entirely.
- Adhesive quality: Strong enough to stick well but gentle enough to remove without damaging paint or window frames.
- Size and length: I measured my windows beforehand to ensure I bought enough tape with some extra for adjustments.
- Ease of application: I preferred tape that’s easy to cut and apply smoothly without bubbles or wrinkles.
Installation Tips from My Experience
- Clean your window frames thoroughly before applying the tape for better adhesion.
- Use a ruler and scissors or a utility knife to cut the tape precisely to size.
- Press down firmly along the edges to prevent light leaks.
- If using magnetic tape, make sure the corresponding magnetic strips are installed correctly.
Additional Benefits I Discovered
Besides blocking light, blackout tape helped improve my room’s insulation, keeping it cooler in summer and warmer in winter. It also reduced outside noise slightly, which was an unexpected bonus.
What to Avoid Based on My Mistakes
- Buying tape that’s too narrow or short for your windows.
- Choosing tape with weak adhesive that peels off easily.
- Neglecting to clean the surface before application, resulting in poor stickiness.
- Overlapping tape unevenly, causing unsightly gaps or bubbles.
Final Thoughts
Blackout tape for windows is a practical and affordable way to control light and enhance privacy. By paying attention to the type, adhesive quality, and proper installation, I was able to transform my room into a peaceful, dark retreat. I hope my buying guide helps you find the perfect blackout tape for your needs!
Author Profile
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I’m Lance Murtagh, and my journey with food began long before it ever became a profession. I studied at the Culinary Institute of America in New York, driven by a love for flavors and the way a well-cooked meal can bring people together. In the early years, I sharpened my skills in several respected Houston kitchens, where I learned the value of precision, patience, and fresh ingredients. Those kitchens were my training ground, but they also taught me to treat cooking as a conversation not just a recipe.
In 2025, I stepped into something new not away from food, but toward a different kind of exploration. I began writing about personal product experiences, diving deep into first-hand reviews of items we use every day but rarely question. It was a natural transition. Just as I had once broken down a dish to its essential ingredients, I now examine the things we rely on from kitchen tools to wellness products with that same eye for detail and honesty. My blog now covers product analysis, usage reviews, and thoughtful commentary on how these everyday items fit into real lives.
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