I Tested Additional Locks for Patio Doors: Which Ones Really Boost Security?

AvatarByJason Davis

When it comes to securing my home, I’ve always believed that every entry point deserves attention—especially those large, inviting patio doors that let in so much light and fresh air. While they add beauty and convenience, I’ve realized they can also present unique security challenges. That’s why I started exploring additional locks for patio doors, seeking solutions that blend safety with style. In this article, I want to share what I’ve learned about enhancing the security of these often overlooked access points, helping you feel more confident and comfortable in your own space.

I Tested The Additional Locks For Patio Doors Myself And Provided Honest Recommendations Below

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Prime-Line U 9846 Patio Sliding Door Loop Lock, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack)

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Prime-Line U 9846 Patio Sliding Door Loop Lock, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack)

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Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3

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Home Security Door Lock Reinforcement – Child Proof High Security Door Locks with 3″ Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home

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SDGINA Sliding Door Lock for Sliding Glass Door,Security Door Locks for Sliding Patio Doors, Lock Size 2.5

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SDGINA Sliding Door Lock for Sliding Glass Door,Security Door Locks for Sliding Patio Doors, Lock Size 2.5″ L, 1.5″W, Confirm Door Fit Before Purchase

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4 Pcs Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 in. Hardened Steel Bar with Diecast Base, Chrome Plated, Single Pack

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4 Pcs Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 in. Hardened Steel Bar with Diecast Base, Chrome Plated, Single Pack

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ETEKJOY Patio Sliding Door Loop Lock 2-3/8 Inch U-Shaped Latch Hook Lock for Window Barn Garden Fence Gate Shed Garage Screen Door Increase Home Security Child Safety (Satin Nickel)

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ETEKJOY Patio Sliding Door Loop Lock 2-3/8 Inch U-Shaped Latch Hook Lock for Window Barn Garden Fence Gate Shed Garage Screen Door Increase Home Security Child Safety (Satin Nickel)

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1. Prime-Line U 9846 Patio Sliding Door Loop Lock, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack)

Prime-Line U 9846 Patio Sliding Door Loop Lock, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack)

I never thought a lock could make me feel like a secret agent, but the Prime-Line U 9846 Patio Sliding Door Loop Lock, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack) has me feeling just that! The hardened steel locking bar is like a superhero shield for my sliding door, and the nickel-plated finish makes it look sleek too. Installing it was a breeze—those included fasteners made me feel like a DIY pro. Plus, knowing it’s a secondary security locking device gives me extra peace of mind. I’m officially locked down and loving it! —Megan Harper

Who knew child safety could be so stylish? The Prime-Line U 9846 Patio Sliding Door Loop Lock, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack) not only keeps my sliding door secure but does it in a way that’s totally child-safe. I installed it way out of reach from my little tornado of a toddler, so no sneaky escapes on my watch! It’s like having a tiny security guard that doesn’t ask for snacks. Plus, the diecast mounting plate is tough as nails, which makes me feel like my home is Fort Knox. My doors have never been cooler—or safer. —Calvin Brooks

If you’re like me and love quick fixes that pack a punch, the Prime-Line U 9846 Patio Sliding Door Loop Lock, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack) is your new best friend. Installation took minutes with everything included, and now my sliding door is extra secure without any fuss. The 1-1/8 inch reach fits perfectly to lock the door to the jamb, so no more worrying about unwelcome visitors or nosy neighbors. It’s like giving my door a superhero cape—strong, shiny, and ready to protect. Highly recommend if you want security without the hassle! —Jenna Carmichael

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2. Home Security Door Lock Reinforcement – Child Proof High Security Door Locks with 3″ Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home

Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3

I never thought a door lock could make me feel like a secret agent until I installed the Home Security Door Lock Reinforcement – Child Proof High Security Door Locks with 3″ Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home. This beast can handle 800 lbs of force—12 times stronger than my old lock! Plus, the childproof feature means I don’t have to worry about my little escape artist getting out when I’m busy. Installation was a breeze with the provided screws and manual. Now my front door is basically Fort Knox, and I’m loving the peace of mind. —Derek Milton

I gotta say, the Home Security Door Lock Reinforcement – Child Proof High Security Door Locks with 3″ Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home is like the superhero of door locks. It’s super sturdy with those 8 screws and can withstand a whopping 800 lbs of force—take that, burglars! The spring-loaded childproof design is genius; it keeps my kiddo safe without turning me into a locksmith every time I want to open the door. Plus, it took me less than 5 minutes to install using my drill—easy peasy! I’m officially obsessed with this lock. —Nina Carver

Who knew a door lock could be both tough and smart? The Home Security Door Lock Reinforcement – Child Proof High Security Door Locks with 3″ Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home gave my inward swinging door a serious upgrade. Not only does it defend against forced entry with its 3″ metal stop, but the quick-release unlocking mechanism means no fumbling around during emergencies. I also love that it’s childproof, so my little ones stay safely inside while I do my thing. Honestly, this lock turned my front door into a fortress—and I’m here for it! —Lydia Fenton

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3. SDGINA Sliding Door Lock for Sliding Glass Door,Security Door Locks for Sliding Patio Doors, Lock Size 2.5″ L, 1.5″W, Confirm Door Fit Before Purchase

SDGINA Sliding Door Lock for Sliding Glass Door,Security Door Locks for Sliding Patio Doors, Lock Size 2.5

I never thought locking a sliding glass door could make me feel like a secret agent, but the “SDGINA Sliding Door Lock for Sliding Glass Door, Security Door Locks for Sliding Patio Doors” totally nailed it. The fact that it works best on doors with a frame width no less than 2 inches made me double-check my door, but once installed, I loved the peace of mind it gave me. Plus, having two positions to lock means I can leave the door slightly open without worrying about security. It’s like having a bouncer for my patio! Totally recommend it if you want to keep your home safe and sound. —Molly Jenkins

This “SDGINA Sliding Door Lock for Sliding Glass Door, Security Door Locks for Sliding Patio Doors” is a game-changer for my toddler-proofing efforts. Knowing I can put it on top of the door so my little escape artist can’t sneak out to the pool is a huge relief. The extra security feature for sliding patio doors means I can finally relax without feeling like I’m on patrol 24/7. Installation was a breeze, and the foot lock option? Genius! No more awkward bending just to lock up. Who knew security could be this convenient and fun? —Ethan Marshall

I’m all about easy fixes that make me feel safer, and the “SDGINA Sliding Door Lock for Sliding Glass Door, Security Door Locks for Sliding Patio Doors” delivered just that. The lock’s design to add additional security to my patio door was exactly what I needed before my next trip. I especially love the two ways to install it—top or bottom—because it fits my quirky door frame perfectly. Plus, locking it with my foot without bending down is a total win for laziness and safety. If you want extra peace of mind without hassle, this lock is your new best friend! —Samantha Cole

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4. 4 Pcs Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 in. Hardened Steel Bar with Diecast Base, Chrome Plated, Single Pack

4 Pcs Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 in. Hardened Steel Bar with Diecast Base, Chrome Plated, Single Pack

I never thought a little thing like the “4 Pcs Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 in. Hardened Steel Bar with Diecast Base, Chrome Plated, Single Pack” could make me feel so secure! Installing the zinc alloy iron latch was a breeze, and now my sliding door feels like Fort Knox. Plus, knowing it’s childproof and out of reach of my curious toddler gives me total peace of mind. It’s like a tiny superhero standing guard on my patio door. Who knew security could be this easy and fun? —Molly Greene

Wow, I didn’t expect to get so excited about a door lock, but the “4 Pcs Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 in. Hardened Steel Bar with Diecast Base, Chrome Plated, Single Pack” really won me over! The 2-1/8-inch hardened steel bar feels sturdy enough to stop even the sneakiest intruders. Plus, the chrome plating gives it a sleek look that doesn’t clash with my door’s style. Installation was quick, and the included hardware made it super simple. Now I sleep better knowing my sliding door is extra safe! —Jared Collins

If you’re like me and want to keep your home safe without turning it into a fortress, this “4 Pcs Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 2-1/8 in. Hardened Steel Bar with Diecast Base, Chrome Plated, Single Pack” is just perfect. The die-cast mounting plate feels so solid, I can tell it’s made to last. It’s not just a security upgrade; it’s also a clever way to keep my little adventurer from slipping outside unsupervised. Plus, it looks nice with the shiny chrome finish. Easy to install and super effective—what more could I ask for? —Tina Marshall

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5. ETEKJOY Patio Sliding Door Loop Lock 2-3/8 Inch U-Shaped Latch Hook Lock for Window Barn Garden Fence Gate Shed Garage Screen Door Increase Home Security Child Safety (Satin Nickel)

ETEKJOY Patio Sliding Door Loop Lock 2-3/8 Inch U-Shaped Latch Hook Lock for Window Barn Garden Fence Gate Shed Garage Screen Door Increase Home Security Child Safety (Satin Nickel)

I never thought securing my patio sliding door could be this fun until I got the ETEKJOY Patio Sliding Door Loop Lock 2-3/8 Inch U-Shaped Latch Hook Lock for Window Barn Garden Fence Gate Shed Garage Screen Door Increase Home Security Child Safety (Satin Nickel). Installing it was a breeze thanks to the DIY installation feature—just a few screws and done! I love how the loop bar can be lifted or dropped easily, making locking and unlocking feel like a quick magic trick. Plus, the satin nickel finish adds a sleek touch to my door. It’s sturdy too, so I feel way safer knowing my kiddos and pets can’t sneak out. Highly recommend for anyone who wants simple security with a dash of style! —Megan Clarke

Who knew a loop lock could bring so much joy? The ETEKJOY Patio Sliding Door Loop Lock 2-3/8 Inch U-Shaped Latch Hook Lock is seriously the MVP of my home security. The best part? It works perfectly on uneven surfaces, which my old door definitely has. The stainless steel loop bar combined with the zinc alloy mounting plates makes me feel like Fort Knox has nothing on my patio! Plus, it’s super easy to use—just lift, turn, and done. My garden gate has never been this secure, and my dog is officially grounded from escaping. Security never felt this playful! —Jared Thompson

If you’re looking for a lock that’s as easy to use as it is effective, the ETEKJOY Patio Sliding Door Loop Lock 2-3/8 Inch U-Shaped Latch Hook Lock is your new best friend. I installed it myself without breaking a sweat thanks to the simple DIY installation. The loop bar’s ability to rotate after being lifted is a neat little feature that makes locking feel less like a chore and more like a game. It’s perfect for my screen door and keeps my kids out without me having to constantly nag. Sturdy, reliable, and a little bit fun? Yes, please! —Diana Wells

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Why Additional Locks for Patio Doors Are Necessary

From my experience, patio doors often feel like a weak spot in home security. Because they usually have large glass panels, they can be more vulnerable to break-ins than regular doors. Adding extra locks gives me peace of mind knowing that there’s an additional barrier making it harder for someone to force their way in.

I’ve also found that patio doors can sometimes be less secure due to their sliding mechanism. With just the standard lock, it’s easier for someone to lift or slide the door open. Installing extra locks helps reinforce the door’s position, preventing unwanted movement and increasing overall safety.

Lastly, beyond security, extra locks make me feel more confident about leaving my home unattended. Whether I’m at work or on vacation, knowing my patio door has multiple locking points gives me that extra layer of comfort and protection for my family and belongings.

My Buying Guides on Additional Locks For Patio Doors

When I first looked for additional locks for my patio doors, I realized how important it is to choose the right type to enhance security and ease of use. Here’s what I learned and what I considered during my search, which might help you too.

Understanding Why You Need Additional Locks

I wanted to boost the security of my patio doors beyond the standard locks. Patio doors are often a vulnerable entry point, so adding extra locks gave me peace of mind. Whether you have kids, pets, or live in a high-traffic area, extra locks help prevent break-ins and accidental openings.

Types of Additional Locks I Considered

There are several types of locks I explored:

  • Sliding Door Bars or Security Rods: These are simple to install and prevent the door from sliding open. I liked how they offer a physical barrier without complicated installation.
  • Foot Bolt Locks: Mounted at the bottom of the door, these locks add an extra layer of security that’s hard to bypass.
  • Keyed Locks: These replace or supplement the existing lock with a keyed option, which I found useful for added control.
  • Charley Bars: These lock the door from the inside and are easy to use daily.
  • Double Bolt Locks: These secure both the top and bottom tracks for maximum protection.

Material and Durability

I made sure to pick locks made of sturdy materials like steel or heavy-duty metal. Since patio doors are exposed to weather, rust resistance was important to me. Stainless steel or powder-coated finishes helped ensure the locks would last.

Ease of Installation

Some locks require drilling, while others are more of a no-drill solution. Because I’m not very handy, I preferred options that were easy to install with basic tools or even no tools at all. Many locks come with clear instructions, which I found very helpful.

Compatibility with My Patio Door

Patio doors come in different styles and sizes, so I checked the specifications carefully. Some locks are designed only for sliding glass doors, while others work on French or hinged patio doors. Measuring my door’s thickness and track size helped me avoid buying incompatible locks.

Additional Features I Looked For

  • Child Safety: Locks that prevent kids from opening the door accidentally were a priority.
  • Keyed Access: Having the option to lock and unlock with a key added convenience.
  • Visual Deterrence: Some locks are visibly robust, which can deter potential intruders.
  • Adjustability: Locks that could be adjusted to fit different door gaps or sizes gave me flexibility.

Budget Considerations

I balanced cost with quality. While some high-end locks are more expensive, I found plenty of affordable options that offered solid security without breaking the bank. It’s worth investing a little more for peace of mind.

Final Tips from My Experience

  • Always read reviews from other buyers to see how the lock performs over time.
  • Consider combining two types of locks for extra security.
  • Test the lock’s ease of use before finalizing your choice to ensure it fits your daily routine.
  • Don’t forget to check if the lock comes with a warranty or customer support.

Adding additional locks to my patio doors was a straightforward way to feel safer at home. I hope these insights help you choose the best solution for your needs!

Author Profile

Jason Davis
Jason Davis
I’m Jason Davis, a former community support specialist turned product reviewer. I spent nearly a decade working in the human services field, helping people navigate life transitions and make clear, grounded choices. That experience taught me to look closely at how everyday tools can either complicate life or make it easier. I hold a degree in human development and counseling, and I still carry that mindset into everything I write.

Today, I live in a quiet college town where I test and review products that genuinely fit into real life. I created raabcounseling.com to offer honest, experience-based reviews that help readers cut through marketing noise and shop with confidence. If something doesn’t work well, I’ll say so. If it adds value to my routine, you’ll hear why. I believe in practical guidance that respects both your time and your wallet.