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Smart Multilocking Technology

At Central Window Systems, we’re proud to offer powerful Ultion Bolts for our comprehensive range of doors. Ultion is a trusted brand that protects over 3 million British homes with contemporary smart locking technology. 

In only 9 seconds, typical bolts can be compromised, claims Ultion. Many of our doors are PAS 24 certified and Secure by Design, and now, with the addition of the Ultion Bolt system, the security of our supply has become even stronger. 

Discover our range of Ultion Bolt compatible doors today, and start a trade quote for any of our high quality aluminium and PVCu windows and doors.


Initially formed in 1982, Central Window Systems has over 40 years of experience in the fenestration industry. As one of the largest fabricators of PVCu and aluminium products throughout the Midlands, we supply a wide range of Deceuninck and AluK systems to the trade.

Our expedient lead times and collection of marketing materials and support make us one of the most reliable suppliers of windows, doors, and roof lanterns. Become an installer and get free trade quotes, an easy-to-use QR code system, a bespoke online quoting tool, showroom collateral and more.

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  • Durable Core
  • Lockdown Mode
  • Highly Accredited

Durable Core

Ultion is unique in that its core is made from molybdenum, a metal that is 25% denser than iron. Molybdenum is not only highly tough but is also incredibly ductile and resistant to corrosion, and it even has one of the highest melting points of any of the pure elements. Whether it’s heat, tools or even acids, the Ultion Bolt that we can supply with our doors is capable of withstanding much more than the typical modern bolt.

Compared to other contemporary bolts, Ultion is tested over 1,000,000 times, whereas typical bolts only have to be tested 100,000 times to meet the TS007 cycle durability test requirements. Ultion Bolts can provide better protection for longer.

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Lockdown Mode

When the Ultion Bolt detects tampering, it enters Lockdown Mode. The additional hidden bolt engages and helps keep homes safe from intrusion. With its own dedicated retaining pin and highly dense, robust materials and engineering, Lockdown Mode offers your customers complete peace of mind.

To go along with this powerful lockdown, the keys used in every Ultion Bolt are 60% thicker than a usual front door key. A thicker key leads to more challenging replication and excellent durability against warping, bending, and snapping.

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Highly Accredited

The Ultion Bolt comes with a £2000 security guarantee for full confidence in its security. As an accredited Secure by Design product, the Ultion Bolt that we incorporate into our composite doors ensures a combination of gorgeous style, powerful energy efficiency, and impressive cutting-edge security features. 

Plus, with the free addition of Ultion Key Control, homeowners can take full control of who can create a copy of their Ultion Bolt key.

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Why Choose Central Window Systems?

Experience Matters

With a wealth of experience and knowledge, we are a stable company who will be here to support you in the years to come.

Highest Quality

Exceptional product quality is a prerequisite at Central Window Systems. We offer the most advanced window and doors available on the market.

Professional Standards

Delivering products to you on-time, in full and in pristine condition ensuring your professional installation is completed with the support you expect from your supplier.

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For the busy glazing installer, our marketing support service is completely accessible via your Smart Phone. As a Central Window Systems partner, you get instant access to our full suite of technical information and promotional material.

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