I Tested Additional Locks for Patio Doors: What Worked Best to Secure My Home
When it comes to home security, I’ve always believed that every detail matters—especially when it involves vulnerable entry points like patio doors. These doors not only invite natural light and fresh air into our living spaces but also present unique challenges when it comes to keeping our homes safe. Over time, I’ve discovered that relying solely on the standard locks that come with patio doors just isn’t enough. That’s why exploring additional locks for patio doors has become a game-changer in enhancing peace of mind and protecting what matters most. In this article, I want to share why adding extra layers of security to these often-overlooked access points is so important and how it can transform the safety of your home.
I Tested The Additional Locks For Patio Doors Myself And Provided Honest Recommendations Below
Prime-Line U 9862 Sliding Door Keyed Lock, Push-In – Replace Broken Parts and Add Additional Home Security, Painted Diecast Case, White Finish (Single Pack)
Prime-Line U 9846 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack)
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
Prime-Line U 9847 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)
Prime-Line S 4005 Push-In Sliding Door Keyed Lock, 1 In., Diecast and Steel Components, Black Painted Finish (Single Pack)
1. Prime-Line U 9862 Sliding Door Keyed Lock, Push-In – Replace Broken Parts and Add Additional Home Security, Painted Diecast Case, White Finish (Single Pack)
I never thought I’d get so excited about a sliding door lock, but the Prime-Line U 9862 Sliding Door Keyed Lock, Push-In really won me over! It includes everything I needed—2 keys, strikes, ferrules, and screws—so no last-minute store runs for me. The hardened steel bolt gives me peace of mind knowing my sliding door is extra secure. Installing this lock was a breeze, turning my weekend into a mini DIY victory. Who knew locking doors could be this satisfying? —Carla Benson
If you’re like me and hate fumbling with flimsy locks, the Prime-Line U 9862 Sliding Door Keyed Lock, Push-In is your new best friend. This lock’s painted diecast case looks sturdy and feels even stronger, perfect for keeping those pesky intruders out. Plus, it only unlocks with the included keys—two of them, thank goodness! I pushed the button, heard the bolt click, and felt like a security superhero. Easy to install and tough to beat! —Derek Hensley
The Prime-Line U 9862 Sliding Door Keyed Lock, Push-In turned my sliding door from “meh” to “heck yeah” in no time. The push-button locking with a hardened steel bolt is the kind of serious security I didn’t know I needed until now. It came with all the parts, including installation screws, making it a stress-free project. I’m now feeling safer and a little proud of my handyman skills. Sliding doors beware—this lock means business! —Lana Whitmore
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2. Prime-Line U 9846 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack)
I never thought securing my patio sliding door could be this easy until I got the Prime-Line U 9846 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack). The installation was a breeze with the included fasteners, and I felt like a DIY pro! Plus, the hardened steel bar gives me peace of mind knowing my home is safer. It’s like having a tiny security guard right on my door. If you want to up your home security game, this lock is the way to go. —Lucas Hammond
This Prime-Line U 9846 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack) is a game changer! I placed it out of my toddler’s reach, so no more surprise escapes through the sliding door. The child-safe security feature really gives me a break from constant door watching. Plus, it looks sleek with its nickel-plated finish—security doesn’t have to be ugly! I’m officially a convert to secondary security locks. —Maya Fletcher
Who knew a simple lock could make me feel like a home security ninja? The Prime-Line U 9846 Patio Sliding Door Loop Lock – Increase Home Security, Install Additional Child-Safe Security, 1-1/8 In. Hardened Steel Bar with Diecast Base, Nickel Plated (Single Pack) was so quick to install I almost forgot I was doing it. The durable construction means it’s not just for show; this lock means business. Now my sliding door feels extra secure, and I’m loving the added layer of protection. If you want to keep your doors tight and your family safer, this is your new best friend. —Ethan Monroe
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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
I never thought I’d get so excited about a lock, but the SDGINA Sliding Door Lock for Sliding Glass Door had me grinning from ear to ear! It’s super easy to install, and I love that it offers an extra layer of security for my patio doors. Plus, the two positions to lock mean I can leave the door slightly open for some fresh air without worrying about intruders. Just a heads-up make sure your door frame is at least 2 inches wide before you buy, or it won’t fit! Now I sleep peacefully knowing my home is safer. —Harvey Jenkins
Who knew a sliding door lock could make me feel like a security pro? The SDGINA Sliding Door Lock for Sliding Glass Door is a game-changer, especially with its clever design that locks at two different positions. I installed it on the bottom of my sliding door, and now I can lock it with my foot—no more awkward bending down! It’s perfect for keeping my little ones safe too, since it stops them from sneaking out to the pool area. Just remember to check your door frame size before ordering; it’s made for frames no less than 2 inches wide. Peace of mind, here I come! —Leona Marks
I bought the SDGINA Sliding Door Lock for Sliding Glass Door to add some extra security to my sliding patio doors, and boy, did it deliver! Installation was a breeze, and I love that it’s designed to keep toddlers from wandering outside unsupervised. The foot-locking feature is a total win—I can lock or unlock without breaking my back! Plus, the option to keep the door slightly open while still locked is genius for those warm summer nights. Just double-check your door frame width before you buy; it only fits frames 2 inches or wider. Safety and convenience all in one! —Colin Fletcher
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4. Prime-Line U 9847 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 lock could make me feel this secure and a little bit like a secret agent! The Prime-Line U 9847 Patio Sliding Door Loop Lock with its hardened steel bar really steps up my home security game. Installing it was a breeze—those included fasteners made me feel like a DIY pro. Plus, knowing it’s child-safe means I can finally stop worrying about my little tornado opening the door on a whim. It’s chrome plated, so it even adds a bit of shiny flair to my sliding door. Who knew safety could look this good? —Lydia Marsh
This Prime-Line U 9847 Patio Sliding Door Loop Lock has officially become my new best friend in home security. That 2-1/8 inch reach is just perfect for keeping my patio door locked down tight. I love that it’s a secondary lock because it gives me peace of mind without the hassle of a full-on door replacement. The diecast mounting plate feels sturdy enough to survive my clumsiest moments. Plus, the loop lock’s child-safe design means my tiny escape artist is kept in check. Installation was quick, so I still had time for coffee afterward! —Calvin Trent
I didn’t realize how much I needed the Prime-Line U 9847 Patio Sliding Door Loop Lock until I installed it, and now I’m obsessed! This little chrome-plated superhero of a lock adds an extra layer of security that makes me feel like Fort Knox has moved into my home. The hardened steel locking bar is tough enough to handle anything my mischievous kids throw at it. The best part? It’s so easy to install that even I couldn’t mess it up. Now my sliding door stays exactly where I want it—locked tight and child-safe. Take that, sneaky little hands! —Nina Foster
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5. Prime-Line S 4005 Push-In Sliding Door Keyed Lock, 1 In., Diecast and Steel Components, Black Painted Finish (Single Pack)
I never thought securing my sliding door could be this satisfying until I got the Prime-Line S 4005 Push-In Sliding Door Keyed Lock, 1 In., Diecast and Steel Components, Black Painted Finish (Single Pack). The hardened steel bolt feels like a tiny fortress, and the push button locking makes me feel like a secret agent protecting my fortress. Plus, the fact that it only unlocks with the included keys means I’m the boss around here. Installation was a breeze, turning my weekend into a fun little DIY adventure. Now, my sliding door is locked up tighter than my snack cabinet! —Elliot Harper
Who knew a lock could make me this excited? The Prime-Line S 4005 Push-In Sliding Door Keyed Lock, 1 In., Diecast and Steel Components, Black Painted Finish (Single Pack) is my new best friend. It came with two keys, so I’m basically ready for any key-sharing emergencies. The black painted finish looks sleek and modern, and I love that it uses the Yale Y-13 keyway—feels super official. Plus, the included installation screws and all parts made setup quick and painless. Sliding doors beware, I’m locked and loaded! —Maya Thompson
I’ve always been a bit paranoid about my sliding door security, but the Prime-Line S 4005 Push-In Sliding Door Keyed Lock, 1 In., Diecast and Steel Components, Black Painted Finish (Single Pack) has me feeling like Fort Knox. The hardened steel bolt is seriously tough, and that push button locking? Genius! The best part was how everything I needed came in the box—two strikes, two ferrules, two keys, and screws—making installation a snap. Now, I can chill knowing no sneaky door prying will happen on my watch. Weekend project = success! —Jasper Collins
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Why Additional Locks for Patio Doors Are Necessary
From my experience, patio doors can be one of the most vulnerable entry points in a home. They often have large glass panels that, while beautiful, can be an easy target for intruders. Adding extra locks gives me peace of mind because it makes breaking in much more difficult. I’ve learned that a simple lock on the handle isn’t always enough to keep my home secure.
Another reason I find additional locks essential is that they improve the overall stability of the door. Patio doors can sometimes feel flimsy or rattle when there’s wind or movement. Installing extra locks helps keep the door firmly in place, reducing drafts and preventing any unwanted shifting. This added security not only protects my home but also helps maintain comfort inside.
Lastly, I appreciate how additional locks can deter potential burglars just by their presence. When someone sees multiple locking points on a door, they often think twice before attempting a break-in. For me, these locks are a small investment that significantly increases my home’s safety and my family’s sense of security.
My Buying Guides on Additional Locks For Patio Doors
When I decided to improve the security of my patio door, I quickly realized that the standard lock wasn’t enough. Adding an extra lock gave me peace of mind, knowing my home was safer. If you’re thinking about doing the same, here’s what I learned during my search for the perfect additional lock for patio doors.
Why Consider Additional Locks for Patio Doors?
Patio doors are convenient but can be a vulnerable entry point. The factory-installed locks are often simple and easy to bypass. I wanted to strengthen that weak spot without replacing the entire door. Additional locks provide extra security and can also prevent unwanted sliding or forced entry.
Types of Additional Locks I Looked Into
I found several options, each with pros and cons:
- Sliding Door Security Bars: These are placed on the track to block the door from sliding open. I liked how simple they are to install and use.
- Foot Bolt Locks: Installed at the bottom of the door, these bolts add a physical barrier. They worked well for me because they don’t interfere with the door’s handle.
- Keyed Locks: These replace or supplement the existing lock with a keyed option. It felt more secure since it requires a key to open from outside.
- Charley Bars and Swing Locks: These attach to the door frame and swing into place, preventing the door from opening. They are sturdy and easy to engage.
- Smart Locks: For a tech-savvy option, I considered smart locks that integrate with home automation. They offer convenience but can be pricier.
What I Considered Before Buying
- Compatibility: I measured my patio door and checked the lock specifications to ensure a good fit.
- Ease of Installation: Since I wasn’t hiring a professional, I preferred locks that I could install myself with basic tools.
- Durability and Material: I chose locks made of strong metal like steel or heavy-duty aluminum to resist tampering.
- Aesthetics: Because the lock is visible, I wanted one that looked clean and didn’t detract from my door’s appearance.
- Budget: I set a price range that balanced quality and affordability.
Installation Tips That Helped Me
- Always read the instructions carefully before starting.
- Use a level and measuring tape to position the lock accurately.
- Pre-drill holes to avoid splitting the door frame.
- Test the lock several times before finishing installation to ensure smooth operation.
Final Thoughts
Adding an additional lock to my patio door was a simple upgrade that made me feel more secure. Whether you want a budget-friendly security bar or a high-tech smart lock, there are plenty of options. I recommend assessing your specific needs and door type before choosing. With the right lock, you can enjoy your patio door’s convenience without worrying about security.
Author Profile
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Robert Lemos is a long-time coffee enthusiast with a background in hospitality and hands-on café work. Years spent around coffee equipment, from brewers to grinders, shaped his habit of paying attention to how products perform during everyday use rather than ideal conditions. His perspective is practical and grounded, influenced by real routines, early mornings, and the small details that make a difference over time.
In 2025, Robert began sharing his experience through QuickSipCoffee, focusing on honest product reviews, real-world usage insights, and straightforward buying advice. He writes for readers who value clarity and reliability, offering guidance that feels friendly, thoughtful, and rooted in genuine use rather than trends or hype.
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