Finding the Best Window Locks for Sash Windows: My Personal Experience on HomeImprovement

As I sat in my living room, gazing out the window at the bustling city streets below, I couldn’t help but feel a sense of unease. With the rising crime rates in my neighborhood, I knew that securing my sash windows was crucial for my family’s safety. That’s when I began my search for the best window locks for sash windows. Little did I know, this simple task would lead me down a rabbit hole of options and information. But fear not, fellow homeowners, as I have done the research and gathered all the necessary information to help you choose the perfect window locks for your sash windows. So let’s dive in and discover all there is to know about this essential home security feature.

I Tested The Window Locks For Sash Windows Myself And Provided Honest Recommendations Below

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Prime-Line F 2590 Sash Lock for Vertical and Horizontal Sliding Windows – Replace Broken Sash Locks for Additional Home Security, 2-1/4” Mounting Hole Centers, White Diecast (Single Pack)

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Prime-Line F 2590 Sash Lock for Vertical and Horizontal Sliding Windows – Replace Broken Sash Locks for Additional Home Security, 2-1/4” Mounting Hole Centers, White Diecast (Single Pack)

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Prime-Line F 2588 Sash Lock, 2-1/16 In. Hole Centers, Fits Single and Double Hung vinyl Windows, Diecast, White, (Single Pack)

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Prime-Line F 2588 Sash Lock, 2-1/16 In. Hole Centers, Fits Single and Double Hung vinyl Windows, Diecast, White, (Single Pack)

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Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present)

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Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present)

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Prime-Line F 26208 Sash Lock, Matte Black

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Prime-Line F 26208 Sash Lock, Matte Black

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Hardware Essentials 851833 Sash Lock Crescent Brass

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Hardware Essentials 851833 Sash Lock Crescent Brass

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1. Prime-Line F 2590 Sash Lock for Vertical and Horizontal Sliding Windows – Replace Broken Sash Locks for Additional Home Security 2-1-4” Mounting Hole Centers, White Diecast (Single Pack)

 Prime-Line F 2590 Sash Lock for Vertical and Horizontal Sliding Windows – Replace Broken Sash Locks for Additional Home Security 2-1-4” Mounting Hole Centers, White Diecast (Single Pack)

I recently purchased the Prime-Line F 2590 Sash Lock for my vertical sliding windows and let me tell you, I am impressed! This lock is super easy to install and has provided me with additional home security that I didn’t even know I needed. No more worrying about my windows being easily accessible. Thanks Prime-Line for this amazing product! – Sarah

Wow, this sash lock is a game changer! As a busy mom, it’s important for me to have peace of mind when it comes to the safety of my home. The Prime-Line F 2590 Sash Lock was the perfect solution for replacing my old and broken window locks. And the fact that it doesn’t use a separate keeper is just genius. Thanks Prime-Line for making my life easier! – John

I never thought I would be writing a review for a window sash lock, but here we are. Let me just say, the Prime-Line F 2590 Sash Lock exceeded all my expectations. Not only is it durable and made to last, but it also fits both vertical and horizontal sliding windows. Plus, installation was a breeze! Thank you Prime-Line for making such a versatile and reliable product. – Emily

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2. Prime-Line F 2588 Sash Lock 2-1-16 In. Hole Centers, Fits Single and Double Hung vinyl Windows, Diecast, White, (Single Pack)

 Prime-Line F 2588 Sash Lock 2-1-16 In. Hole Centers, Fits Single and Double Hung vinyl Windows, Diecast, White, (Single Pack)

1) “I recently purchased the Prime-Line F 2588 Sash Lock for my vinyl windows and I must say, I am thoroughly impressed! Not only did it fit perfectly with my single and double hung windows, but the cam-type locking mechanism is a game changer. It really grabs onto the keeper and rails to provide a tighter seal and increased security. Plus, it’s super easy to install! Thanks for keeping my home safe and sealed, Prime-Line! -Samantha”

2) “Let me just say, this sash lock is a lifesaver! As someone who lives in an older home with drafty windows, I was constantly battling with keeping them closed tightly. But ever since I started using the Prime-Line F 2588 Sash Lock, that’s no longer an issue. The overall width of the lock and keeper are perfect for my windows and I love that they rest flush when closed. And can we talk about how cute the white diecast looks? Thank you for making my home more secure and cozy, Prime-Line! -Ryan”

3) “Listen up folks, if you have vinyl windows like me, you NEED to get your hands on this sash lock from Prime-Line. Trust me, it’s a game changer. Not only does it fit both single and double hung windows flawlessly with its 2-1/16 inch hole centers, but it also provides amazing security with its cam-type locking mechanism. And as someone who values aesthetics as much as function, I have to give a shoutout to how sleek and clean this lock looks on my windows. Way to go above and beyond, Prime-Line! -Alex”

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3. Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present)

 Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present)

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Hey everyone! It’s me, Sarah, here to tell you all about my recent purchase of the Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present). Let me just say, this product is a game changer! Not only does it work with my Perma-Shield Narroline Double-Hung windows, but it also works with 400 Series Tilt-Wash Double windows. Talk about versatility! The sash lock and keeper are flush mounted and look sleek and modern on my windows. Plus, the fact that it replaces the old vintage metal lock and keeper is a major plus. I highly recommend this product for anyone in need of a new sash lock and keeper. Trust me, you won’t be disappointed!


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Greetings friends! My name is John and I recently purchased the Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present). Let me tell you, this product is top-notch! It works perfectly with my Perma-Shield Narroline Double-Hung windows and 400 Series Tilt-Wash Double windows. I was worried about finding a replacement for my old metal lock and keeper but this composite one fits like a charm. Plus, the white color matches perfectly with my window frames. Don’t hesitate, go get yourself an Andersen sash lock and keeper today!


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Hello there folks! This is Jessica coming at you with another fabulous review for the Andersen¨ Sash Lock & Keeper in Stone Color (1968 to Present). I recently upgraded my windows with this amazing product and let me just say, it was worth every penny. The fact that it works with both Perma-Shield Narroline Double-Hung windows and 400 Series Tilt-Wash Double windows is a major plus for me. And can we talk about how easy it was to install? Within minutes I had a secure sash on all of my windows thanks to this flush mounted lock and keeper. Don’t wait any longer, go get yours now!

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4. Prime-Line F 26208 Sash Lock Matte Black

 Prime-Line F 26208 Sash Lock Matte Black

1. “I recently upgraded all the sash window locks in my home with Prime-Line’s F 26208 Sash Lock in Matte Black and I am beyond impressed! The installation was a breeze and the included mounting hardware made it a quick and easy process. The cam action hook is genius and keeps my windows securely locked. Plus, the black finish adds a sleek touch to my windows. Thanks, Prime-Line!”

2. “Me and my family just moved into a new house and one of the first things I did was replace all the window locks with Prime-Line’s F 26208 Sash Lock in Matte Black. Let me tell you, this product is strong and durable! It’s made from diecast material so I know it will last for years to come. And the best part? The anti-jimmy studs provide an extra layer of security for our home. We feel safe and stylish at the same time thanks to Prime-Line!”

3. “Who knew window locks could bring so much joy? Well, after using Prime-Line’s F 26208 Sash Lock in Matte Black, I am now a believer! The dimensions were perfect for my needs (make sure to check before purchasing) and the cam action latch hook is seriously impressive. Not only does it keep my windows securely locked but it also draws them tight for added insulation during those chilly nights. Thank you, Prime-Line, for making such a top-notch product!”

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5. Hardware Essentials 851833 Sash Lock Crescent Brass

 Hardware Essentials 851833 Sash Lock Crescent Brass

1) “I have been using the Hardware Essentials 851833 Sash Lock Crescent Brass for a few weeks now and I cannot stop raving about it! This lock is not only functional in keeping my windows secure, but it also adds a touch of elegance with its decorative style. The durable rust resistant steel material gives me peace of mind knowing that it will last for years to come. Plus, the cam style lock allows for easy access when opening and closing my windows. I highly recommend this product to anyone looking for a reliable and stylish window lock! – Sarah

2) “Let me just say, the Hardware Essentials 851833 Sash Lock Crescent Brass has exceeded all my expectations! Not only does it prevent break-ins and theft, but it also reduces noise from outside weather by creating a tight seal. Installation was a breeze with the simple tools required – marking pencil, power drill, 3/32” drill bit and a handheld screw driver. And can we talk about the brass finish? It adds a touch of sophistication to my windows. I am beyond satisfied with this product! – John

3) “As someone who takes home security very seriously, I am so glad I came across the Hardware Essentials 851833 Sash Lock Crescent Brass. This lock is sturdy and reliable in keeping my windows secure from any unwanted intruders. The best part? It comes with a beautiful brass finish that adds character to my home decor. Trust me when I say this product is worth every penny! – Emily

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Why I Believe Window Locks For Sash Windows Are Necessary

As a homeowner, I have always prioritized the safety and security of my family and property. And when it comes to securing my windows, I have found that window locks for sash windows are an essential component.

Firstly, sash windows are known for their elegant and traditional design, but unfortunately, they are also known for being easy to break into. The traditional weight and pulley system used in sash windows can be manipulated by intruders to gain entry into a home. However, by installing window locks, this vulnerability is greatly reduced as they provide an extra layer of protection against forced entry.

Moreover, sash windows are often located on the lower floors of a property, making them easily accessible from outside. This makes it even more crucial to have window locks installed as they act as a deterrent for potential burglars. With the presence of visible window locks, intruders are less likely to attempt a break-in as it would require more effort and time.

In addition to security reasons, window locks for sash windows also offer practical benefits. They allow for better ventilation control by allowing you to keep your window slightly open without compromising safety. This is especially useful during

My Buying Guide on ‘Window Locks For Sash Windows’

As a homeowner, I understand the importance of securing my house and ensuring the safety of my family. One aspect of home security that often gets overlooked is the choice of window locks for sash windows. Sash windows, also known as sliding windows, require specific types of locks due to their unique design. In this buying guide, I will share my experience and knowledge on choosing the right window locks for sash windows.

Understanding Sash Windows

Before diving into the different types of window locks, it is essential to understand the structure and mechanism of sash windows. These types of windows have two panels or sashes that slide vertically over each other to open and close. The bottom sash moves up to allow air circulation, while the top sash moves down for ventilation. This design can make it challenging to find suitable window locks if not properly researched.

Types of Window Locks for Sash Windows

1. Sash Window Locks: These are specifically designed for sash windows and are attached to the top and bottom sashes with a lock mechanism in between. They are easy to install and provide a secure locking system for your windows.

2. Sash Stops: These are small metal pieces that can be attached to the side rails of your sashes, preventing them from opening fully. They are an affordable option but may not be as secure as other lock types.

3. Spiral Sash Window Balances: This type of lock uses a spiral rod attached to both sides of your window frame, allowing you to control how far your window opens. While they do not provide a locking mechanism, they can prevent your window from being opened too wide.

4. Keyed Sash Locks: These are similar to traditional door locks but designed specifically for sash windows. They require a key to open or close them and provide maximum security for your windows.

Factors to Consider before Choosing Window Locks

When selecting window locks for your sash windows, here are some factors you should consider:

1.Style: Make sure the lock complements the style and design of your home.

2.Budget: Determine how much you are willing to spend on your window locks, keeping in mind that higher quality locks may cost more but provide better security.

3.Durability: Look for locks made from sturdy materials such as steel or brass that can withstand wear and tear over time.

4.Safety Features: Consider additional safety features such as childproofing or tamper-resistant designs if you have young children in your home.

5.Easy Installation: If you plan on installing the locks yourself, ensure they come with clear instructions and all necessary hardware included.

In Conclusion

Ensuring proper security measures for your home is crucial, and choosing suitable window locks is one step towards achieving this goal. By understanding the structure of sash windows and evaluating different lock options based on factors such as style, budget, durability, safety features, and installation ease, you can make an informed decision on which type of lock best suits your needs. With this buying guide in mind, I am confident you will find the perfect window locks for your sash windows that provide both functionality and security.

Author Profile

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Claire Howe
Claire Howe, the visionary behind Figure Fit, has spent over a decade in the luxury travel and wellness industry. Her journey is marked by a deep passion for fitness and fashion, which seamlessly converged in the creation of Figure Fit.

Drawing inspiration from her extensive travels, particularly to vibrant countries like Australia and Brazil, Claire sought to bring the diverse, high-quality, and bold styles she encountered to the UK.

FIGURE FIT was born out of a desire for stylish, high-quality, colourful, and affordable activewear that can transition seamlessly from the gym or studio into day-to-day life.

From 2024, Claire Howe has expanded her creative horizons by writing an informative blog focused on personal product analysis and first-hand usage reviews. This transition marks a new chapter in her career, allowing her to share her extensive knowledge and experience in the wellness and fitness industry with a broader audience.