10 Best Locks for Window
for November 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.7
SCORE
Sliding Glass Door Child Lock - OKEFAN 4 Pack Baby Safety Slide Window Locks for Kids Proof Patio Closet Doors No Drilling Tools Needed (Coffee)

OKEFAN Sliding Glass Door Child Lock

OKEFAN 4 Pack Baby Safety Slide Window Locks for Kids Proof Patio Closet Doors No Drilling Tools Needed (Coffee)

What We like

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!

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Product Features

  • 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!
  • 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!
  • 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!
  • 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!

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! 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! 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! 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!

2
9.7
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Burglabar 2 Pack - Great for Sliding Patio Door Lock, (Use 2 for doors), Sliding Window Lock, Sliding Basement Windows Lock, Child Safety Lock

Rishon Enterprises Inc. Burglabar 2 Pack

Great for Sliding Patio Door Lock, (Use 2 for doors), Sliding Window Lock, Sliding Basement Windows Lock, Child Safety Lock

by Rishon Enterprises Inc.
What We like

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.

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Product Features

  • 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.
  • 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.
  • Incredible strength: Proudly made in Canada, Burglabars 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.
  • 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.

Incredible strength: proudly made in canada, burglabars 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. 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. 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. 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.

3
9.3
SCORE
Defender Security U 9809 Sliding Window Lock for Vinyl Windows – Easy Installation to Keep Windows Securely Closed – White Diecast Construction (Pack of 2)

Defender Security U 9809 Sliding Window Lock for Vinyl Windows – Easy Installation to Keep Windows Securely Closed – White Diecast Construction (Pack of 2)

by Prime-Line Products (Home Improvement)
What We like

EACH PACK INCLUDES (1) Adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. thick. "Vise like" grip holds securely and will not mar frame. Allows window to lock in ventilating position; cam style locking lever; no tools required. This is for Vinyl Windows only.

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Product Features

  • ADD EXTRA SECURITY Use these sliding window locks to prevent unwanted intruders and avoid falling accidents keeping your windows closed when you want them the most secure! Air and a breeze can get in, but no intruders.
  • SECURELY LOCK WINDOWS These U 9809 sliding window locks for vinyl windows help keep them securely closed. The locks feature an adjustable jaw that has a vise-like grip, and they are capable of opening up to wide.
  • FOR USE ON MOST VINYL WINDOWS These sliding window locks are for use on horizontal sliding windows and most vertical sliding (single hung) windows as a secondary window lock.
  • PRODUCT INFO These sliding window locks have a diecast construction with a white painted finish and can fit most vinyl frame rail thicknesses ranging from 1/16 to .

Securely lock windows these u 9809 sliding window locks for vinyl windows help keep them securely closed. the locks feature an adjustable jaw that has a vise-like grip, and they are capable of opening up to wide. Add extra security use these sliding window locks to prevent unwanted intruders and avoid falling accidents keeping your windows closed when you want them the most secure! air and a breeze can get in, but no intruders. For use on most vinyl windows these sliding window locks are for use on horizontal sliding windows and most vertical sliding (single hung) windows as a secondary window lock. Product info these sliding window locks have a diecast construction with a white painted finish and can fit most vinyl frame rail thicknesses ranging from 1/16 to .

4
9.1
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Sliding Window Security Bar | Keep Window Closed for Maximum Security | Sliding Window Lock Bar | Ideal Window Stopper | Sliding Glass Window Security Bar | Adjustable Size (1)

U.S. Patrol Sliding Window Security Bar

Keep Window Closed for Maximum Security, Sliding Window Lock Bar, Ideal Window Stopper, Sliding Glass Window Security Bar, Adjustable Size (1)

by Jobar International, Inc
What We like

SECURITY BAR'S ADJUSTABLE SIZE: The window stopper can be adjusted between 12-21. This window safety bar provides the ideal window stopper for optimal peace of mind

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Product Features

  • DECORATIVE DESIGN: The leaf pattern provides a decorative flare to your home
  • EASY INSTALLATION: The lock bar can easily be placed and removed at your convenience
  • SUPPLEMENTAL SECURITY: When the window lock just isnt enough, use the sliding window bar for extra home security
  • DURABLE: The iron construction provides reliable durability for maximum security

Decorative design: the leaf pattern provides a decorative flare to your home Durable: the iron construction provides reliable durability for maximum security Easy installation: the lock bar can easily be placed and removed at your convenience Supplemental security: when the window lock just isnt enough, use the sliding window bar for extra home security

5
8.9
SCORE
OYU Window Locks, 8 Pack Adjustable Sliding Door Lock with Key, Aluminum Window Security Safety Locks for Kids & Pets, Window Locks for Sliding Windows Window Stopper for Home and Office

OYU Window Locks

8 Pack Adjustable Sliding Door Lock with Key, Aluminum Window Security Safety Locks for Kids & Pets, Window Locks for Sliding Windows Window Stopper for Home and Office

by OYU
What We like

PROTECTIVE GASKETSEach child proof lock also comes with a plastic protective gasket to prevent scratches or damage to the window. Meanwhile, there is enough friction between the lock and the track to ensure that the window will not slide open.

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Product Features

  • QUALITY MATERIALThis perfect sliding door lock & sliding window latch is made of high-quality aluminum alloy. The yellow plastic shell that wraps the key handle makes it easier for you to secure the window locks. Exquisite in craftsmanship and excellent in quality, can be reused with confidence.
  • EASY TO INSTALLEach lock is equipped with a hex key, all you need to do is to spin the key through the hole and fix the window stopper on the track. No additional installation tools. Please note that this window lock does not fit the track in the middle of the window.
  • WHAT YOU GET8 sets of sliding window locks, including 8 window safety locks, 8 keys & 8 gaskets, can fully meet your needs. Note: Heavy doors and windows should be fixed with multiple locks at the same time to improve stability and safety.
  • SECURITY PROTECTIONSize approx. 1.18 x 0.94 x 0.94, suitable for track heights more than 0.6, thickness no greater than 0.63. Please measure before your purchase! Effectively reduce the risk of children & pets falling from heights, guard against robbery or theft. Ensure family members safe, and improve indoor air circulation.

What you get8 sets of sliding window locks, including 8 window safety locks, 8 keys & 8 gaskets, can fully meet your needs. note: heavy doors and windows should be fixed with multiple locks at the same time to improve stability and safety. Easy to installeach lock is equipped with a hex key, all you need to do is to spin the key through the hole and fix the window stopper on the track. no additional installation tools. please note that this window lock does not fit the track in the middle of the window. Security protectionsize approx. 1.18 x 0.94 x 0.94, suitable for track heights more than 0.6, thickness no greater than 0.63. please measure before your purchase! effectively reduce the risk of children & pets falling from heights, guard against robbery or theft. ensure family members safe, and improve indoor air circulation. Quality materialthis perfect sliding door lock & sliding window latch is made of high-quality aluminum alloy. the yellow plastic shell that wraps the key handle makes it easier for you to secure the window locks. exquisite in craftsmanship and excellent in quality, can be reused with confidence.

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8.6
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Defender Security U 9928 Keyed Sash Lock – Child-Proof Security Lock Only Unlocks With Key – For Aluminum, Vinyl or Wood Double-Hung Windows – 2” Hole Centers – Heavy-Duty Zinc Diecast Construction, White

Defender Security U 9928 Keyed Sash Lock – Child-Proof Security Lock Only Unlocks With Key – For Aluminum

Vinyl or Wood Double-Hung Windows – 2” Hole Centers – Heavy-Duty Zinc Diecast Construction, White

by Prime-Line Products (Home Improvement)
What We like

EASY INSTALLATION Installation is easy with all screws included. The sash lock features a 1 deep base, 5/8 deep keeper with 2 mounting hole center spacing on both the keeper and cam-action keyed locking latch.

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Product Features

  • DURABLE Made of heavy-duty diecast zinc with a white enamel finish, this child-proof sash lock is strong, durable and made to last.
  • NON-TURNING KEY - When the key is inserted into the keyhole, the thumbturn and cam are released allowing it to be rotated open or rotated closed. To lock the device in the open or closed position, simply remove the key from the lock.
  • CHILD-PROOF Prime-Line Keyed Sash Lock is designed to child-proof sliding windows and secure windows at high elevation. The lock can only be opened with the included key, keeping curious kids safely inside.
  • WINDOW SASH LOCK This window sash lock can be used on vertical single and double hung sliding windows, and on horizontal sliding windows. It can be installed on windows constructed of aluminum, wood and vinyl sash and frames.
  • NOTE: these are not all keyed alike each lot contains a limited mix of key numbers

Window sash lock this window sash lock can be used on vertical single and double hung sliding windows, and on horizontal sliding windows. it can be installed on windows constructed of aluminum, wood and vinyl sash and frames. Durable made of heavy-duty diecast zinc with a white enamel finish, this child-proof sash lock is strong, durable and made to last. Note: these are not all keyed alike each lot contains a limited mix of key numbers Child-proof prime-line keyed sash lock is designed to child-proof sliding windows and secure windows at high elevation. the lock can only be opened with the included key, keeping curious kids safely inside. Non-turning key - when the key is inserted into the keyhole, the thumbturn and cam are released allowing it to be rotated open or rotated closed. to lock the device in the open or closed position, simply remove the key from the lock.

7
8.2
SCORE
Zelta Adjustable Door Window Lock Stopper Wedge with Rubber Covered for Sliding Window (Bronze, Pack of 2)

Zelta Adjustable Door Window Lock Stopper Wedge with Rubber Covered for Sliding Window (Bronze

Pack of 2)

by Zeltauto
What We like

Iron with rubber; Window stopper are covered with rubber, effectively increase the friction for the better use and would not damage or scratch your window and avoid any annoying noise

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Product Features

  • No tools are needed; Improve air circulation; Keep your child safety; Both use in keeping the window closing and partial opening
  • Designed for horizontal sliding windows, Not for vinyl windows; Total length: 2.36"; Width: 1.57"; Height: 0.59"
  • Close or open the window before installing window stopper; Insert the leg closely to the window groove ; Turn the knob clockwise until the product is secured

Close or open the window before installing window stopper; insert the leg closely to the window groove ; turn the knob clockwise until the product is secured No tools are needed; improve air circulation; keep your child safety; both use in keeping the window closing and partial opening Designed for horizontal sliding windows, not for vinyl windows; total length: 2.36"; width: 1.57"; height: 0.59"

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8.2
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2 Pack Sliding Window Security Locks with Keys, Aluminum Alloy Window Wedge Safety Lock, Windows Guard Stopper, Anti Theft Children Door Frame Stop Bars for Home and Office Child Safety

CODACE 2 Pack Sliding Window Security Locks with Keys

Aluminum Alloy Window Wedge Safety Lock, Windows Guard Stopper, Anti Theft Children Door Frame Stop Bars for Home and Office Child Safety

by ALLWIN INC
What We like

Easy to InstallNo additional tools are required and no need drilling. Open the windows to the proper position or close the windows as your need. Adjust the spacing of the window lock, and place it on the window frame, insert the key and turn the key clockwise or anticlockwise to adjust the width to fix the lock. Turn the key till the key slot can not move, which can make the window lock work efficiently.

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Product Features

  • Adjustment Window LockThe clamping distance is between 10 - 60 mm (0.39 - 2.36 inch).Its width fits most windows frame, but we still suggest you have your window frame measured first.
  • High qualityOur adjustment window locks are made of aluminum alloy, durable and thick. And it has non-slip silicone pads to increase the strength.
  • Security Window StopperCan fix the window in place and cannot be pulled or opened, effectively prevent your child from opening the windows by his own, anti-theft and keeping the fresh indoor air.

High qualityour adjustment window locks are made of aluminum alloy, durable and thick. and it has non-slip silicone pads to increase the strength. Adjustment window lockthe clamping distance is between 10 - 60 mm (0.39 - 2.36 inch).its width fits most windows frame, but we still suggest you have your window frame measured first. Security window stoppercan fix the window in place and cannot be pulled or opened, effectively prevent your child from opening the windows by his own, anti-theft and keeping the fresh indoor air.

9
8.2
SCORE
Impresa Sliding Door & Window Locks Pack of 10 | Window locks for Sliding Windows & Doors | Easy Installation Window Lock Without Tools | Fits tracks up to 3/8 inch | Aluminium Window Security Locks

Impresa Sliding Door & Window Locks Pack of 10

Window locks for Sliding Windows & Doors, Easy Installation Window Lock Without Tools, Fits tracks up to 3/8 inch, Aluminium Window Security Locks

by Impresa
What We like

SIMPLE SCREW IN DESIGN: Double thumb screw clamp creates a secure and safe hold without tools. Simply adjust by hand as required for fully secure windows/doors or to allow for ventilation. Unmounts quickly for adjustment or in the event of an emergency without the need for a key that can be easily lost.

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Product Features

  • EASY TOOLESS INSTALLATION: Simply mount on at the desired location on the window or door track. Install an additional window lock on the parallel track for extra security. Tighten firmly by hand using the built in thumbscrews.
  • PACK OF 10 ALUMINIUM WINDOW LOCKS FOR DOORS AND WINDOWS: Heavy duty aluminium constructed locks for sliding doors and windows. Perfect for securing windows and doors, as well as child saving windows and doors.
  • FULLY ADJUSTABLE SLIDER LOCKS THAT FIT A RANGE OF DOOR AND WINDOW LOCK TRACKS: Locks are 2 inches wide and fit tracks 3/16 inches wide or 3/8 inches with rubber cushioning removed. Please measure your track to ensure proper fitment
  • HIGH QUALITY ALUMINUM SLIDING DOOR AND WINDOW LOCK: Heavy duty aluminium 'F' style clamp. The strong aluminium will remain secure and will not rust and the thumb screws will stand the test of time.

High quality aluminum sliding door and window lock: heavy duty aluminium 'f' style clamp. the strong aluminium will remain secure and will not rust and the thumb screws will stand the test of time. Fully adjustable slider locks that fit a range of door and window lock tracks: locks are 2 inches wide and fit tracks 3/16 inches wide or 3/8 inches with rubber cushioning removed. please measure your track to ensure proper fitment Pack of 10 aluminium window locks for doors and windows: heavy duty aluminium constructed locks for sliding doors and windows. perfect for securing windows and doors, as well as child saving windows and doors. Easy tooless installation: simply mount on at the desired location on the window or door track. install an additional window lock on the parallel track for extra security. tighten firmly by hand using the built in thumbscrews.

10
7.8
SCORE
Maxdot Adjustable Sliding Window Locks Aluminum Alloy Window Door Frame Security Locks with Key for Home and Office (Double-Locks, 4 Sets)

Maxdot Adjustable Sliding Window Locks Aluminum Alloy Window Door Frame Security Locks with Key for Home and Office (Double-Locks

4 Sets)

by Maxdot
What We like

Double open design: compared to other window locks, this window locks adopt enhanced double open design, which obtain stronger friction force so that it can lock more solid for safer security

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Product Features

  • What you get: 4 x sliding window locks with key; Note: multiple locks can be applied to heavy window or door together to increase safety
  • Necessary items: open the screen window when the weather is hot in summer, which can improve air circulation, you can use the window locks to fix the screen window, it can prevent children from falling and prevent the thieves
  • Quality material: made of aluminum alloy, which is sturdy and strong, and there's a yellow plastic cover outside the key handle, can serve you a long time
  • Apply to windows and doors: make sure the track heights more than 1.5 cm/ 0.6 inches, track thickness no more than 1.6 cm/ 0.63 inches, not applicable to the middle track of the window, please check your window track before buying

Apply to windows and doors: make sure the track heights more than 1.5 cm/ 0.6 inches, track thickness no more than 1.6 cm/ 0.63 inches, not applicable to the middle track of the window, please check your window track before buying Quality material: made of aluminum alloy, which is sturdy and strong, and there's a yellow plastic cover outside the key handle, can serve you a long time What you get: 4 x sliding window locks with key; note: multiple locks can be applied to heavy window or door together to increase safety Necessary items: open the screen window when the weather is hot in summer, which can improve air circulation, you can use the window locks to fix the screen window, it can prevent children from falling and prevent the thieves

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