Top 10 best windows lock

Finding the best windows lock suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.

Product Features Editor's score Go to site
Prime-Line F 2744 Sash Lock, Diecast Construction, White Powder Coat, Used on Single & Double Hung Windows Prime-Line F 2744 Sash Lock, Diecast Construction, White Powder Coat, Used on Single & Double Hung Windows
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Window Wedge Cresci Products, White (2 Per Pack) Window Wedge Cresci Products, White (2 Per Pack)
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Maxdot Adjustable Sliding Window Locks Aluminum Alloy Window Door Frame Security Locks with Key for Home and Office (8) Maxdot Adjustable Sliding Window Locks Aluminum Alloy Window Door Frame Security Locks with Key for Home and Office (8)
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3M Adhesive Sliding Door Lock for Patio, Closet, Windows, RV, Baby Proof Child Safety Latch, 4 PACK 3M Adhesive Sliding Door Lock for Patio, Closet, Windows, RV, Baby Proof Child Safety Latch, 4 PACK
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Safety 1st Prograde Window Lock - 2 Pack Safety 1st Prograde Window Lock - 2 Pack
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Arology 9 Pack Sliding Window Lock with Steel Screw, Fits Most Sliding Windows, No Tools Required, to Securely Lock Slide Windows Arology 9 Pack Sliding Window Lock with Steel Screw, Fits Most Sliding Windows, No Tools Required, to Securely Lock Slide Windows
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Johnson Smith Co. Set of 2 Window Security Bars, White Johnson Smith Co. Set of 2 Window Security Bars, White
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4-Pack-Childproof Your Windows and Sliding Doors With Our Window and Door Babyproof Safety Lock 4-Pack-Childproof Your Windows and Sliding Doors With Our Window and Door Babyproof Safety Lock
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Defender Security U 9928 Keyed Sash Lock, 2 in. Hole Centers, Heavy Duty Zinc Diecast, White Finish Defender Security U 9928 Keyed Sash Lock, 2 in. Hole Centers, Heavy Duty Zinc Diecast, White Finish
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Lock-it Block-it - Home Security Window Bars - 2 Pack Lock-it Block-it - Home Security Window Bars - 2 Pack
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1. Prime-Line F 2744 Sash Lock, Diecast Construction, White Powder Coat, Used on Single & Double Hung Windows

Feature

This sash lock is used on vertical sliding windows constructed of wood or vinyl materials
This item has 2-1/4 in. mounting hole centers
Powder coat white enamel finish
Diecast construction

Description

This sash lock is constructed of diecast and comes finished in a powder coat white enamel finish. It features lock alignment guides with 2-1/4 in. mounting hole center spacings on both the keeper and cam-action latch. This sash lock is used on single and double hung windows constructed of wood or vinyl. This sash lock is simple to install and used by many window manufacturers. Installation fasteners are included.

2. Window Wedge Cresci Products, White (2 Per Pack)

Feature

Durable ABS Plastic
Easy Hook & Loop Installation- No Tools, No Screws, No Nails, No Damage
Added Child Safety- Set Window Wedge to a safe opening. No wider than 4 inches
Multiple window settings- Adjust Window Wedge on loop strip for desired opening
You will receive a total of (2) Cresci Window Wedge Adjustable Window Stops in White;

Description

You will receive (1) pack of cresci products Window Wedge adjustable window stops containing (2) total window stops in white. About Window Wedge: The "Window Wedge". The adjustable window stop. Window Wedge is suggested for window gaps up to 1/4" and may not work on windows that have loose fitting pop forward sills for cleaning. What is the Window Wedge? The Window Wedge was designed and tested to act as an adjustable window stop for double hung and horizontal sliding windows. The Window Wedge is made of durable, impact resistant, abs plastic and has a tapered groove on the bottom that holds a strip of (Velcro brand) hook material that mates with an 8 inch strip of (Velcro brand) peel and stick loop material. The loop material easily attaches to the window frame (see directions) without the use of tools. The Window Wedge is then placed over the loop strip and pressed down at the desired window opening location. Note: For child safety, maximum window opening should not exceed 4 inches. For a quick reference, the Window Wedge package is 4 inches wide as shown in the installation drawing. Benefits: Durable abs plastic. Easy hook & loop installation no tools, no screws, no nails, no damage. Added child safety set Window Wedge to a safe opening. (No wider than 4 inches). Added home security helps deter unlawful entry from outsiders. Let fresh air in and sleep easier. Multiple window settings adjust Window Wedge on loop strip for desired opening. Two Window Wedges per package.

3. Maxdot Adjustable Sliding Window Locks Aluminum Alloy Window Door Frame Security Locks with Key for Home and Office (8)

Feature

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
Convenient to install: each lock is equipped with hex key, spin the key slowly through the hole, just holding on the track by key control, no additional installation tools
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
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
What you get: 8 x sliding window locks with key; Note: multiple locks can be applied to heavy window or door together to increase safety

Description


8 Sets adjustable sliding window locks aluminum alloy window door frame security locks with key for home and office

Features:
Each lock is equipped with hex key, spin the key slowly through the hole, just holding on the track by key control, no additional installation tools.
Made of aluminum alloy, which is sturdy and strong, and there's a yellow plastic cover outside the key handle, can serve you for a long time.

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.

Specifications:
Size: 3 x 2.4 x 2.4 cm/ 1.18 x 0.94 x 0.94 inches (LWH)
Material: aluminum alloy
Quantity: 8 sets

Package includes:
8 x Sliding window locks with key

Notice:
Multiple locks can be applied to heavy window or door together to increase safety.

4. 3M Adhesive Sliding Door Lock for Patio, Closet, Windows, RV, Baby Proof Child Safety Latch, 4 PACK

Feature

SECURE Sliding Closets, Doors and Windows with Easy Install 3M Adhesive, No tools or drilling needed
LOCK either limits or completely stops to prevent kids or pets from opening sliding doors & windows
ONE-HAND USE, lift both side wings to lock, and to disengage in seconds, simply fold down again
RELIABLE Pet & Baby Proofing Child Safety Latch. No more access to your clothes in the wardrobe
VERSATILE, Strong ABS Plastic sticks to all surfaces including glass, aluminum, wood and plastic

Description

Trying to keep a child or a pet out of the balcony, patio or a sliding closet door to prevent access to your clothes or things in side your cupboard? You have found the right solution...

Crawling babies and young toddlers love to go where they shouldn't - and as a parent, it's not always possible to keep an eye on what they are doing.

Kids and pets love to empty your closet resulting in clothes on the floor, or access the patio or balcony to run outside. The Safetynex Sliding Glass Door Lock offers an inexpensive solution to keeping areas of your home secure and safe from prying little fingers and even inquisitive animals going where you don't want them to! Be it closets, cupboards, wardrobes, RV's, slide entertainment centers, patio doors, sliding windows, this can be used almost all sliding mechanism doors and windows with a minimum gap of 7mm between the overlapping doors or windows. It is the best child safety window guards.

If you like fresh outside air from your windows, and keep it half open, but are afraid for the safety of your little one. You can simple install this lock at a position to open the door not more than 3 inch. This keeps your little one safe and provides you fresh air flow.

This 4-pack comes in clear transparent color and blends easily into the background while providing protection. The easy to install lock takes seconds to install-just remove the backing tape and apply-and thanks to the high-quality 3M adhesive, you can attach it to almost any area in the house. And when it is time to remove, it can be done easily without damaging the surface.

Put your mind at rest and order the Safetynex Baby Proofing sliding closet door lock today. If you're not happy, you're protected by our 30-day 100% satisfaction guarantee!

5. Safety 1st Prograde Window Lock - 2 Pack

Feature

Rotating stop hangs over window track to prevent it from opening fully
Secure Tech TM locking indicator
Slide enables disengagement for periods of non-use
Sleek design does not detract from window dcor

Description

Rotating stop hangs over window track to prevent it from opening fullySecure Tech TM locking indicatorSlide enables disengagement for periods of non-useSleek design does not detract from window dcor From the ManufacturerThe Prograde Window Lock by Safety 1st helps keep children from opening windows.Product DescriptionSafety 1st ProGrade Window LockThe ProGradeTM Window Lock by Safety 1st helps keep children from opening windows. This two pack of locks features the SecureTech locking indicator and can be disengaged for periods of non-use.

6. Arology 9 Pack Sliding Window Lock with Steel Screw, Fits Most Sliding Windows, No Tools Required, to Securely Lock Slide Windows

Feature

Securely Lock - Ensure strongly locked and doesn't get loose
Easy Installation - Install in seconds without any tools
Size Fits - For most vertical or horizontal sliding windows (Windows frame must be less than 0.25 inches)
High Quality - Aluminum construction with white finish and steel screw
Value Pack - Package comes with 9 white sliding window lock

Description

Heavy duty cast aluminum with single thumbscrew. Securely locks window in closed or ventilating position. Easy to install with no tools required.

7. Johnson Smith Co. Set of 2 Window Security Bars, White

Feature

(Set of 2) Window Security Bars.
Extra Protection Against Intruders!
Easily locks into place onto frame.
Sturdy 1" dia. steel tube.
Adjusts from 17" to 29" long.

Description

(Set of Two) Window Security Bars
Extra Protection Against Intruders! Window bar easily locks into place onto frame, adding another line of security toward protecting your home.

Each sturdy 1" dia. steel tube with rubber ends easily adjusts from 17" to 29" long.

8. 4-Pack-Childproof Your Windows and Sliding Doors With Our Window and Door Babyproof Safety Lock

Feature

QUICK INSTALLATION-NO SCREWS, NO DRILLING, NO MESSY ADD-ON ADHESIVES: Attaches in seconds! Just peel the paper off the pre-applied adhesive strip and attach to your window or glass door. No mechanical skills required!
PREMIUM QUALITY MATERIALS: Made of super strong polycarbonate for exceptional durability. Comes with pre-applied heavy-duty CLEAR industrial strength 3M VHB tape. Mounts securely to glass and mirrored surfaces. Totally clear styling blends easily in any room.
EASY TO USE: Simple sliding motion locks and releases.
YOUR CHILDS SAFETY IS FIRST AND OUR #1 PRIORITY: We know you put your baby's safety at the top of your list and we do too! Our Safety Innovations Window and Door Safety Stop helps keeps windows, sliding glass doors, sliding shower doors and mirrored sliding closet doors locked to keep curious kids safe from window falls and from exploring unsafe areas.
WE RECOMMEND USING 2 LOCKS ON EACH DOOR OR WINDOW FOR ADDED SAFETY: Be proactive! Keep your windows or sliding glass doors locked so your baby is safe and secure.

Description

As parents ourselves we know that your #1 concern is your baby's safety. Our Safety Innovations Window and Door Safety Stop is the perfect solution to prevent window falls and access to off-limits areas. Since you can't rely on screens to keep your children safe (they won't hold your child's weight) and an unlocked door is an open invitation to wander you'll want to install this our Window and Door Safety Stop on all your windows and sliding doors. This safety stop keeps your windows and doors locked until you want to open them. Safety experts recommend that windows should be set to open no more than 4" wide and sliding glass doors to no more than 3" wide for safety. Install our Safety Stop and prevent access to off-limits areas so your children stay safe and secure! This item require 5/16 of an inch clearance between window/doors in order for doors/windows to open normally.

9. Defender Security U 9928 Keyed Sash Lock, 2 in. Hole Centers, Heavy Duty Zinc Diecast, White Finish

Feature

This sash lock can be used on horizontal and vertical sliding windows
Child proof lock unlocks only with key
Base of lock measures 1-inch deep, keeper measures 5/8 inch deep
Each lock is keyed differently
2-inch hole center spacing
Heavy duty zinc diecast construction
Verify dimensions against line drawing image before ordering
This sash lock can be used on horizontal and vertical sliding windows constructed of aluminum, wood and vinyl materials
2 in. hole center spacing
White in color

Description

This keyed child-proof sash lock is constructed of diecast zinc and comes finished in a white enamel finish. It features a 5/8 in. narrow keeper with 2 in. mounting hole center spacing on both the keeper and cam-action keyed locking latch. This sash lock can be used on vertical single and double hung sliding windows, as well as on horizontal sliding windows, and it can be installed on windows constructed of aluminum, wood and vinyl sash and frames. This child-proof designed lock can only be opened with the provided keys. Used for child-proofing sliding windows and for securing windows at high elevation. NOTE: The key does not turn when inserted into the keyhole. When the key is inserted into the keyhole, the thumbturn and cam is 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.

10. Lock-it Block-it - Home Security Window Bars - 2 Pack

Feature

High-impact durable Plastic burglar-bars used to block criminals from entering homes through open windows and patio doors. Combined cylinders are as thick as two nickels. Windows can now stay open and be securely LOCKED OPEN from 1 inch to several inches. Watch YouTube video at: https://www.youtube.com/watch?v=O37jGJiAHAQ&feature=youtu.be
Extendable & Adjustable! Control how high you want the window to open with the 13 adjustable settings. Lock the height in place with the push of a pin. Used for Single-Hung windows, Sliding Windows and Patio Doors. When the window makes contact with the Lock-it Block-it, it's Stopped.
Withstands repeated impacts with its unique double-headed push pin that provides extra resistance from forced entry. Burglars can't reach it from the outside when properly installed and adjusted. Blocks children from falling out of open windows.
IMPORTANT - BEFORE BUYING, MEASURE the window or door track where the device will be placed. The security bar extends from 17 inches to 30 inches long (MAX length is 2 and 1/2 feet). Window tracks MUST be at least 1 inch wide. Device is 1 inch by 1 inch wide on all sides.
Quick & easy installation. No tools needed. Held in window track by supplied adhesive strips. It doesn't fall out when the window is lowered. Removes easily in emergencies. Replaces those ugly wood blocks. Fits discretely in window track and doesn't obstruct view.

Description

The Lock-it Block-it is an adjustable window Home Security and Safety bar. This burglar proof and childproof home security device is designed to keep windows OPEN at a safe height and SECURED. Block children from falling out of open windows. Block criminals from climbing in through open windows. The device offers what every security experts recommends - a physical way to secure your home windows. Two devices per package. Used to secure Single Hung Windows, Sliding Windows and Patio Doors. Intruders can't reach it from the outside when properly installed and adjusted. Children can't reach it (when furniture isn't near the window). Also used as a secondary window lock when windows are closed. Adjustable - extends from 17 inches to a maximum of 2 feet 6 inches long. The device sits in the window track or on the window sash with the head wedged into top corner of the window making it impossible to move. Supplied adhesive strips hold the device firmly in place. When the window is lowered, the device doesn't fall out. Made of two high-impact strength rectangular PLASTIC cylinders for a combined thickness of two nickels. Cylinders are locked together by a double-headed push pin. Rubber end caps for scratch protection. A series of 13 adjustable settings allows for windows to be Locked Open from 1 inch or more. Its smooth white finish blends in with the window and doesn't block the view. No tools required. IMPORTANT - MEASURE before buying - 1) Device will not fit in tracks narrower than 1 inch wide. 2) The device extends to maximum of 2 feet and 6 inches. 3) Fits windows 3.5 - 5.5 feet high & patio doors 5.5 feet wide. Measure from top window track to bottom window track - see photo. 4) Press the bottom pin head to adjust the device. 5) Not suitable for double-hung windows if the purpose is to prevent burglaries. 6) All three velcro strips must be used to prevent device from falling from the window. 7) Check device periodically to make sure it is still adhered properly.

Conclusion

All above are our suggestions for windows lock. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using windows lock with us by comment in this post. Thank you!

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