10 Best Sliding Glass Door Lock of December 2025

• Door & window locks: The Burglabar is a unique self-locking hinge lock designed to offer additional home security from a patio door or sliding window. Our sliding glass door lock and window lock keeps you safe and can be used to child proof your home.
• Safety at home: Our window and door latch lock provides additional safety while you are home and keeps your home safe when you are not. The Burglabar is also a great door safety lock for kids keeping your little explorers safely inside.
• No tools needed: Our Burglabar installs quickly and easily without tools and its crystal-clear design blends in with your decor. When mounted out of reach from small children the BurglaBar keeps windows and doors shut for child safety.
• Incredible strength: Proudly made in Canada, Burglabar’s adhesive bonds like a weld for maximum strength. Each Burglabar, when properly applied, can withstand dynamic shear of 300 to 450 pounds. We recommend using 2 Burglabars for sliding doors.
• Who we are: We are Rishon Enterprises Inc., the creators of The Original Addalock and the Burglabar. We have focused our time and efforts on promoting and bringing attention to safety, security and privacy for your everyday life.

Rishon Enterprises Inc.

• This sliding door security bar will give you extra protection in your home by securely keeping your sliding door locked in place.
• The bar easily adjusts to the width of a sliding door and locks securely in position, giving extra protection against intruders.
• Its rubber tips provide a sure grip without scratching the door frame.
• The security door guard also acts as a child proof door lock, preventing curious children from opening the door.
• Measurements: 1" dia x 26" to 48"L. Made of steel and PVC.

The Lakeside Collection

• SECONDARY SECURITY LOCKING DEVICE – This U 9847 Patio Sliding Door Loop Lock can be used on a patio sliding door as a secondary security lock for increased home safety.
• CHILD-SAFE SECURITY DEVICE - This door loop lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security.
• EASY INSTALLATION  - Installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.
• DURABLE CONSTRUCTION – This door loop lock has a hardened steel locking bar with diecast constructed mounting plate and keeper, with a chrome plated finish.
• PRODUCT INFO - This locking device features a 2-1/8” reach, which is designed to secure the door to the jamb. It is also available in 1-1/8”, 1-3/16”, 1-7/16”, and 2-1/4” reaches.

PRIME-LINE

• The best sliding door security bar according to Business Insider!
• Includes our new childproof Anti-Lift Lock
• ADJUSTABLE: Easily slides from 25. 75” to 47. 5” to for easy installation without cutting. Lets you leave the door partially open while still being secured.
• QUICK & EASY INSTALLATION ON MOST PATIO DOORS: Install on either the inside or outside track (see instructions for more details). Please watch the installation video before purchase to be sure it will work with your door
• NOT A PRESSURE-MOUNTED BAR: Pressure-mounted bars can shake loose and fall. The SK110 patio door security bar and saddle are screwed into the door frame and profile, providing reliable protection
• COMFORTABLE HEIGHT: Mounts in the middle of the door, not on the bottom. Open your door without bending down to reach the bar
• VISUAL DETERRENT: Acts as visual deterrent against burglars who can see it clearly through the door for extra security
• CONVENIENT AND EASY: Swings up and stays out of the way when not in use
• Made of advanced lightweight and strong extruded aluminum (the same stuff used to build airplanes! )
• MAY NOT BE COMPATIBLE WITH PET INSERT FOR SLIDING DOOR: before purchasing the SK110, you need to measure opening width of your door once the insert is in. If the opening is less than 25. 75", you should use our SK111 bar.

Ideal Security

• ☛【 COST EFFECTIVE TO REPLACE OLD OR BROKEN DOOR HANDLES】: When your door handle is broken, old or unsightly, don’t replace the door entirely, just get a new sliding patio door handle set! Our replacement patio door handle + mortise patio door / sliding door lock set is the most economical and useful you can find.
• ☛【INCLUDES】: Interior Handle, Exterior Pull,Mortise lock, Thumb Latch, 6XScrews. Standard reversible, non-handed handle set that can be mounted on both left-handed and right-handed sliding patio doors. 45° Mortise latch lock which can be used on sliding patio doors constructed of wood, aluminum and vinyl.You don't need to buy other components if you get our handle set.
• ☛【EASY INSTALLATION】:This is a DIY project in the box. For handles with 3-15/16” hole spacing & a Mortise (Latching style) lock. Remove 2 screws from existing handles, insert Latch, align inside and outside handles with Pre-drilled door holes, insert screws, tighten and your done. Includes 6 screws with 3 different sizes: Large 2.16", Medium 1.96", Small 1.57"
• ☛【REVERSIBLE DOOR HANDLE & MORTISE LOCK】:Also known as "Non-Handed”. Our handle is designed for Right or Left-Handed or the door that opens from the left or the right, YOUR CHOICE! Comes with sliding door latch replacement.
• ☛【NON-KEYED】:The exterior die-cast pull comes non-keyed. This handle is NOT CONVERTIBLE WITH KEY FUNCTION AT THIS TIME!

HauSun

• CHILD PROOF SAFETY DEVICE – Keep valuable belongings from young child proof sliding door or hung window with durable and effective lock. This kid stopper has been proven to withstand the pulls and tugs of babies and children, keep doors and windows opened in safe!
• SAFE DESIGN – Unlike other sliding glass door lock, this sliding door child lock is installed beside door shelf and works once double buttons pressed simultaneously, which stops the door slided and passed each other. This lock is off to press the locking cover for unlock condition!
• STRONG DURABILITY – Never worry about sliding window locks broken with high quality ABS plastic, stainless steel spring and strong 3m adhesive tap. The 3M window lock will not lose effectiveness or power even when you routinely open and shut your hung windows every day!
• SIMPLE INSTALLATION – Installing sliding door lock has never been this easy, no drilling tools needed! Simply clean the working area for this lock, peel off 3M tape and stick this device onto the desired location of sliding doors for your patio, closet, cabinet as well sliding window!
• DURABLE LASTING WORK - We know that patio glass door lock will work perfect. In case that you are not satisfied with this sliding door stopper, It is welcome to let us know any time and the helpful solution will be provided in 12 hours. A good safe gift for the kids to get great benefits!

OKEFAN

• ☛【Keep Aditional Safety to Your Home】: Are you worried that someone might break into your house at the middle of the night or sometime of the day when nobody is home? Well that problem is no longer an issue. With its double locking action, it is virtually impossible to remove the door by lifting it off its track. HauSun patio sliding door foot lock prevents criminals from being able to lift out sliding doors from their tracks.
• ☛【Resists Forced Entry & Two Operational Lock Postions】: Able to provide over 1000lbs of forced entry load tension.Another reason these patio door kick locks are great is because they usually have two operational positions. Notice the two channels in the lock. They allow for your patio door to be locked when it is in a closed position or slightly opened to let in the breeze. With a kick lock in the "B" position, the opening is still not wide enough for someone to force entry into your home.
• ☛【Two Installation Ways】: HauSun patio door security lock can be installed both on top or bottom rail.You can use top rail if you want to keep out of reach of children.Also, you can install it on the bottom rail with foot operated.
• ☛【Discover New Ways to Increase Children Security】: With young children in the home, you know all too well how hard it is to keep an eye on them at all times. With this childproof sliding door lock installed, you can make sure that young ones do not become tempted to open the patio sliding doors on their own and expose themselves to potential danger.
• ☛【Convenient Use & Patent Design】: HauSun Patio sliding security door lock works on vinyl, aluminum, or wood sliding doors on INSIDE tracks only. DOES NOT WORK on patio doors on outside tracks.HauSun has the patent for this kick lock.

HauSun

• Heavy duty, dual-function door security bar prevents forced entry on hinged, patio, and sliding doors; Door stopper security bar is intended for indoor use
• Door security bar design is portable and compact making it easy to store and ideal for travel, providing enhanced security in hotels or on vacation
• Door security bar is adjustable from 27.5 in. (70 cm) to 42 in. (1 m) in length to fit most standard doors and sliding patio doors; Top door knob jam is easily removed for sliding door applications
• Made with heavy duty 20-gauge steel for strength and security; Pivoting ball joint ensures door security bar has full contact with floor for secure fit while padded foot provides a strong grip without scratching
• No tools required, simply adjust the bar length using the release button, prop under door knob and easily adjusted as needed

Master Lock

• BEST ADJUSTABILITY ON THE MARKET: Adjust the sliding door lock from 19” to 51” inch (19” to 33.25” on 2 bars, 36.5” to 51” on 3 bars) to enjoy peace of mind when you are leaving the door partially open or if you simply want additional security.
• YOUNG ONES CAN'T GET OUT: Child proof lock and height prevent kids from getting out. Height also allows for a comfortable adjustment of the sliding door lock bar.
• INTRUDERS CAN'T GET IN: Heavy duty door and window security bar serve as BOTH A PHYSICAL & VISUAL DETERRENT on most patio doors and windows
• QUICK AND EASY TO INSTALL: In a matter of minutes, you will enjoy a SECURE AND RELIABLE PROTECTION from our sliding glass door lock that is drilled into a door frame and won't loosen over time.
• WHAT'S INCLUDED: Sliding Glass Door Security Bar (2 Parts), Anti Lift Lock (2 Parts; Metal Plate & White Saddle Mount), Double-Side Threaded Screw, 4X End Caps (Black, Plastic), 5X Flathead Screws, User Guide, 12 Month , & Friendly Customer Support

SECURITYMAN

• A keyed heavy-duty steel bolt patio door lock to prevent sliding or lifting of door
• Adjustable for ventilation or full security with key lock to secure position
• Item Package Dimension: 3.5" L x 9.25" W x 1.5" H
• Item Package Weight: 0.66 lb

Pro-Lok