A set of brown sash jammers for uPVC windows and doors, including button spacers and uPVC screws.
Technical side view drawing of sash jammer extra security lock for uPVC windows and doors with detailed dimensions in millimeters.
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A set of brown sash jammers for uPVC windows and doors, including button spacers and uPVC screws.Technical side view drawing of sash jammer extra security lock for uPVC windows and doors with detailed dimensions in millimeters.

Sash Jammers - Extra Security Locks for uPVC Window & Doors - Brown

Home SecureSKU: HS13123
162 reviews from verified buyers
Price:
£5.99

Key benefits

  • Extra security for uPVC doors/windows - highly visible deterrent
  • Easy fit, easy operate - 3 button spacers and packers included
  • High-grade metal, white coating - matches standard uPVC profile
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Description

Easy to fit and operate, sash jammers can be used on both uPVC windows and doors.

  • Brown Finish
  • Can be fitted to a window or door to provide additional security 
  • 3 different sized button spacers provided to fit rebates up to 20mm maximum
  • uPVC Screws provided for use with reinforced windows
  • We recommend using Jack Nuts to gain a secure fit onto un-reinforced window frames
  • You won't know if frame is reinforced until you drill a pilot hole and feel tension or lack of tension

Fitting Advice

We provide access to online fitting instructions and installation video.

How many to use?

1 Sash Jammer - Small Window or Letterbox

2 Sash Jammers - Large Window / Single Door (Top & Bottom Fitting)

4 Sash Jammers - French/ Patio Doors (2 Top, 2 Bottom, on each door)

View our guide on Sash Jammer

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Frequently Asked Questions

Sash jammers are additional security locks designed for uPVC windows and doors. They help prevent the opening of the sash, adding an extra layer of protection against forced entry.

Yes, these sash jammers can be fitted to most uPVC windows and doors, making them a versatile security upgrade for different areas of your home.

Sash jammers provide enhanced security, act as a visual deterrent to intruders, and are easy to operate. They are a cost-effective way to improve overall home safety.

Yes, installation is simple and can be done with basic tools. They are usually screw-fixed to the frame, allowing for quick and secure fitting. For more details, read our blog: Extra uPVC Door & Window Security: The Sash Jammer

Yes, they are made from strong, high-quality materials designed to withstand regular use, providing reliable and long-term security for your windows and doors.

About the Brand - Home Secure

HomeSecure is a UK-based home security specialist dedicated to providing high-quality, reliable, and affordable security products designed to protect homes and families. With years of industry experience, HomeSecure focuses on delivering hardware that meets the practical needs of homeowners while maintaining professional-grade performance.

From anti-snap door cylinders and precision-engineered hardware to reinforcement solutions and security accessories, every HomeSecure product is developed with durability, ease of installation, and long-term protection in mind. Our range is carefully tested and selected to meet trusted security standards—offering strong defence against common break-in methods and everyday wear.

At HomeSecure, we put customer safety, product reliability, and excellent value at the core of everything we do. Whether you're upgrading a lock, improving door strength, or enhancing overall home protection, HomeSecure products deliver dependable security you can trust.

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