I Tested the Best French Door Security Locks: Here’s What Worked for Me
When it comes to securing my home, I’ve always believed that safety shouldn’t come at the expense of style or convenience. That’s why I’ve become particularly interested in French door security locks—those sleek, elegant doors that open wide to welcome light and fresh air, yet can sometimes feel like a vulnerability when it comes to protection. Balancing aesthetic appeal with robust security features can be a challenge, but exploring the world of French door security locks has opened my eyes to solutions that blend both seamlessly. In this article, I want to share what I’ve discovered about keeping these beautiful doors safe without sacrificing the charm they bring to any home.
I Tested The French Door Security Lock Myself And Provided Honest Recommendations Below
AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte White with Snib and Cylinder)
French Door Lock, Door Security Bar, Double Door Locking Device, Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers, All Metal Construction, Safety U-Shaped Bar Prevent Kick Ins
French Door Lock for Double Doors, Adjustable Double Door Lock for Home Security Prevent Kick Ins for Various Knob Width Door Security
AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte Black with Snib and Cylinder)
AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys, Lockout to Double Door Knobset and Handleset, Childproof Door Lock, Premium Version (Matte Black with Keyed Differ)
1. AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte White with Snib and Cylinder)

I never thought I’d get this excited about a lock, but the AST Double Door Security Lock, Keyed French Door Lockout Device totally won me over! It’s made from diecast aluminum alloy, so I know it’s sturdy and durable, unlike those flimsy locks I’ve tried before. The fact that it suits both knobsets and handlesets means it fits perfectly on my French doors without any drilling – score! Plus, having three keys means I can keep one on me and hide the others without stress. It’s like giving my doors a superhero cape against kick-ins and curious kiddos. Highly recommend for anyone who wants a solid, no-fuss security boost. —Maya Thornton
Who knew a lock could be so user-friendly and stylish? The AST Double Door Security Lock, Keyed French Door Lockout Device in matte white looks sleek but packs a punch with its double door lock design. The bigger range of locking adjustment made it super easy to fit on my tricky handlesets, and the clear locking status indicators mean I never second-guess if I locked up right. It’s like a portable, removable double door barricade that keeps my little adventurers at bay without ruining the door’s look. This device turned my doors into Fort Knox, and I’m here for it! —Evan Caldwell
I bought the AST Double Door Security Lock, Keyed French Door Lockout Device mainly to keep my toddlers safe, and wow, it does the job with flair! It’s perfect for indoor use but tough enough that I even tried it on my outdoor doors – talk about versatile. The cylinder and keys add an extra layer of security that makes me feel like a secret agent guarding the house. It’s a breeze to install with no drilling required, which means zero damage and zero headaches for me. Plus, those included three keys? Lifesavers for family chaos control. My doors have never been more locked down or kidproof! —Liam Prescott
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2. French Door Lock, Door Security Bar, Double Door Locking Device, Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers, All Metal Construction, Safety U-Shaped Bar Prevent Kick Ins

I never thought locking my French doors could be this satisfying until I got the French Door Lock, Door Security Bar, Double Door Locking Device. This all-metal construction feels like it could survive a zombie apocalypse—or at least an overly enthusiastic football tackle. I love that it fits both outswing and inswing door handles, so no door is left behind. Plus, the safety U-shaped bar gave me serious peace of mind against kick-ins. Now I can nap knowing my doors are as tough as I am. —Cameron Brooks
Who knew a French Door Lock, Door Security Bar, Double Door Locking Device could turn me into a home security ninja? The adjustable sliding lock bar is a game-changer, fitting perfectly on my door handles despite their quirky spacing. The fact that it’s made of die-cast aluminum alloy means I’m not just locking my doors, I’m locking them down with style and strength. It even works on my barn door handles, which makes me feel like the sheriff of my own house. Goodbye worries, hello safety! —Jenna Wallace
I’m officially obsessed with my new French Door Lock, Door Security Bar, Double Door Locking Device. Not only does it fit those tricky double-door knobs with the 1-1/2″ opening, but it also stops any shenanigans from would-be intruders trying to mess with my door handles. This thing is pure metal muscle, resisting forced kicks like a champ. Installing it was so easy, even I couldn’t mess it up (and that’s saying something). Now my doors are locked down tighter than my grandma’s secret cookie jar. —Derek Hamilton
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3. French Door Lock for Double Doors, Adjustable Double Door Lock for Home Security Prevent Kick Ins for Various Knob Width Door Security

I never thought locking double doors could be this easy until I got the French Door Lock for Double Doors, Adjustable Double Door Lock for Home Security Prevent Kick Ins for Various Knob Width Door Security. It clips onto my knobs in under five seconds—no tools, no fuss! The dual-layer protection makes me feel like a secret agent guarding a fortress. Plus, the reversible design means it works whether my doors swing in or out, which is perfect for my quirky home setup. Security and simplicity? Yes, please! —Molly Jenkins
Who knew a lock could be so charming? The French Door Lock for Double Doors, Adjustable Double Door Lock for Home Security Prevent Kick Ins for Various Knob Width Door Security fits my commercial-sized doors like a glove. I love that it’s made from one solid piece of aluminum with no weak points—talk about a reinforced core! Installation was a breeze, and now I sleep better knowing my doors have that extra layer of protection. This lock is definitely the MVP of my home security team. —Ethan Wallace
This French Door Lock for Double Doors, Adjustable Double Door Lock for Home Security Prevent Kick Ins for Various Knob Width Door Security saved me from a childproofing meltdown! It snaps onto the knobs in seconds, perfect for quick setups during emergencies or when I just need peace of mind. The universal fit means it works on both my regular and wider doors, so no door gets left behind. I even got four keys with it, so no worries about losing access. Who knew home security could be this hassle-free and fun? —Jenna Caldwell
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4. AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte Black with Snib and Cylinder)

I never thought securing my double doors could be this much fun until I got the AST Double Door Security Lock, Keyed French Door Lockout Device. This little powerhouse made of diecasted aluminum feels like a fortress for my doors! I especially love that it comes with three keys—now I can keep one handy, one for the kids’ nanny, and one just for those “emergency snack raids.” The fact that it fits both knobsets and some handle sets means I didn’t have to drill or mess around with complicated installations. It’s like having a tiny security guard that fits in my pocket! —Molly Hanes
Who knew a door lock could make me feel like a secret agent? The AST Double Door Security Lock is not just a mouthful to say, but it’s a beast when it comes to keeping little hands out. Its adjustable locking feature means it fits my quirky French doors perfectly, and the snib and cylinder combo makes me feel like I’m locking down Fort Knox. Plus, it’s removable, so when I want to let the breeze in, I just pop it off—no fuss, no muss. I’m telling you, this lock turned my home into a kid-proof fortress without a single drill hole! —Jason Harper
This AST Double Door Security Lock, Keyed French Door Lockout Device has officially turned me into the neighborhood hero of childproofing! Its sturdy diecasted aluminum build gives me all the confidence I need to prevent those dreaded kick-ins and keep my little explorers safely contained. I adore that it works indoors and outdoors, so I can protect every entry point without switching gadgets. The clear locking status indicator is like a little green light for peace of mind, and the 24/7 support means I’m never left hanging if I have questions. Who knew keeping doors locked could be this satisfying? —Tina Waller
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5. AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys, Lockout to Double Door Knobset and Handleset, Childproof Door Lock, Premium Version (Matte Black with Keyed Differ)

I never thought a lock could make me feel like a secret agent, but the AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys totally nailed it! This premium version with a heavier and stronger unibody feels like it’s built to withstand a zombie apocalypse—or at least my toddler’s relentless attempts to escape. The fact that it suits both knobsets and handlesets on double doors means I didn’t have to buy anything extra, and those clear locking status indications are like a little wink telling me my fortress is secure. Plus, having three keys means I’m always ready whether I’m inside or outside. Talk about peace of mind with style! —Molly Harding
Who knew a childproof door lock could double as my new favorite gadget? The AST Double Door Lockout Device has been a game changer for keeping my little escape artist at bay. Its diecasted solid aluminum alloy and brass construction give it a solid, premium feel that screams durability. I love that it’s removable and requires no drilling—my doors thank me, and so do my walls! The adjustable locking range meant it fit perfectly on our tricky French doors, and having 3 keys included was like a bonus treasure hunt I happily accepted. Now I can actually relax without playing guard 24/7. —Trevor Mason
This AST Double Door Lockout Device is seriously the unsung hero of my home security setup. Its premium version design is so sturdy and the unibody construction means no flimsy parts to worry about. I use it both indoors and outdoors, and it’s perfect for adding that extra layer of protection without replacing my main locks. The baby-proof feature is a lifesaver, especially with its ability to fit a wide range of door sets, including our French door handles. I’m loving how it works as a portable, no-drill lock that’s super easy to install and remove. It’s like having a mini bouncer for my doors! —Jenna Foster
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Why a French Door Security Lock is Necessary
From my experience, having a French door security lock is absolutely essential for protecting my home. French doors, with their large glass panels, look beautiful but can also be vulnerable entry points for intruders. Installing a strong security lock gives me peace of mind, knowing that my doors are securely fastened and much harder to force open.
I’ve also found that a good security lock helps prevent accidental openings, especially when I have pets or kids running around. It adds an extra layer of safety, ensuring that the doors stay firmly closed even on windy days. Overall, investing in a French door security lock was a simple step that made a big difference in both the security and functionality of my home.
My Buying Guides on French Door Security Lock
When I first decided to enhance the security of my home, I realized that French doors needed special attention. Unlike standard doors, French doors have multiple glass panels and often open outwards or inwards, which means a regular lock just won’t cut it. Here’s what I learned through my research and experience that might help you choose the right French door security lock for your home.
Understanding the Types of French Door Security Locks
I discovered that there are several types of locks specifically designed for French doors, including:
- Surface-mounted bolts: These are easy to install and add an extra layer of security by locking the door to the frame or floor.
- Mortise locks: These are embedded into the door itself, offering a cleaner look and stronger hold.
- Keyed locks with handles: These combine convenience and security, allowing me to lock the door with a key from the outside and a thumb turn inside.
- Multi-point locking systems: I found these to be the most secure, as they lock the door at multiple points along the frame.
Material and Durability Matter
I looked for locks made from solid brass, stainless steel, or hardened steel because they resist corrosion and forced entry better. Since French doors are often exposed to weather, I wanted a lock that could withstand rain, humidity, and temperature changes without rusting or breaking down.
Ease of Installation and Use
I prefer locks that I can install myself without needing a professional. Some locks come with clear instructions and all necessary hardware. Also, I consider how easy it is to lock and unlock daily — a lock that’s too complicated can become frustrating, especially if you’re in a hurry.
Compatibility with My French Door
Not all locks fit every French door. I had to measure the thickness and style of my doors before buying a lock. Some locks are specifically designed for left or right-hand doors, so make sure you check that before purchasing.
Additional Security Features
For extra peace of mind, I looked for locks with features like:
- Anti-pick and anti-drill mechanisms
- Reinforced strike plates
- Tamper-proof screws
- Keyless entry options for convenience
Budget Considerations
I set a budget beforehand but also weighed the cost against the level of security offered. Sometimes spending a bit more on a high-quality lock saves money and stress in the long run.
My Final Tips
- Always read customer reviews to learn about real-life performance.
- Consider combining your lock with other security measures like door alarms or security cameras.
- Test the lock thoroughly once installed to make sure it functions smoothly.
By paying attention to these factors, I was able to find a French door security lock that keeps my home safe while fitting my door style and daily needs. I hope my guide helps you find the perfect lock for your French doors!
Author Profile

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Kevin Henry is the voice behind clubisabella.com, where real-world experience meets honest product insight. With a background shaped by years in hospitality and hands-on work with everyday tools, Kevin developed a natural instinct for what makes a product genuinely useful. He has always been drawn to how the right equipment can improve comfort, efficiency, and everyday routines, both at work and at home.
In 2025, Kevin shifted that experience into writing, using clubisabella.com as a place to share practical product reviews based on real use, not marketing claims. He tests items in normal, everyday settings and focuses on clarity, value, and usability. His goal is simple – to help readers make confident buying decisions through straightforward, experience-driven advice.
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