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Jackloc Titan Folding Window Restrictor

The Titan by Jackloc is the strongest and most secure window restrictor in the world, due to its steel folding mechanism.

This key lockable window restrictor restricts the window from opening further than 100mm and it can’t be disengaged without the use of a key. It’s tested to withstand a force of 4,800 newtons, or the equivalent of five adult males, which exceeds all standard requirements by nearly 10 times.

The patented design of The Titan window lock provides extra security for open windows and is awarded Sold Secure status by the Master Locksmiths Association, making it the first, and only, window restrictor to achieve this accolade.

The restrictor can fit most window sizes and types including side-hung and top-hung windows, uPVC, Timber and Aluminium.

The ability to dis-engage the restrictor with a key, provides flexibility to allow the window to be fully opened if required. The product comes with hardened and zinc coated, grade 4 security clutch screws and comes with a 10-year guarantee.

  • Fitting Video
  • BS EN 13126-5:2001 Tested to pass all strength, load and impact tests up to a force of 4,800 newtons
  • UKAS BS EN 14351-1:2001 Tested to exceed the pass rate of 350 newtons
SKU Jackloc Titan Folding Window Restrictor Category


Delivery Information:
Tracked 48 (Despatched generally within 1-2 days)
– from £3.95*
Tracked 24 (Despatched generally within 1-2 days) – from £5.95*
* Prices vary dependant on location and products ordered.

Click & Collect – from Middlesbrough, TS3 8AN.
Despatch Times & Restricted Items.

Orders dispatched generally within 24/48 hours (Mon-Fri Unless Stated Otherwise)

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Jackloc Titan Folding Window Restrictor

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Monday 7:30 AM to 5:00 PM
Tuesday 7:30 AM to 5:00 PM
Wednesday 7:30 AM to 5:00 PM
Thursday 7:30 AM to 5:00 PM
Friday 7:30 AM to 5:00 PM
Saturday 8:00 AM to 4:00 PM
Sunday Closed
Bank Holidays Closed

Discontined Products

The product is no longer available and has been set to “Discontinued”.

We will no longer be receiving stock of this item. Please contact us using the “Got a question” button on the product page for an alternative option.

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Contact Form

We endeavour to respond to all enquiries within 4-6 hours (during working hours) however on some occasions this may take a little longer.

Due to length & size restrictions with our delivery partners, we are currently only able to deliver certain items to the following postal areas:

  • All TS postcodes
  • All NE Postcodes
  • All DL Postcodes
  • All DH Postcodes
  • All SR Postcodes

We are looking into increasing our postcode range gradually with our own fleet of vehicles.
Should you not want to opt for a delivery service, please be aware Click and Collect is still available on all of our items.

We aim to despatch all of our orders within 24-48 hours of order confirmation, during peak times or bank holidays this despatch time can occasionally be increased.

Should you have any queries regarding this please don’t hesitate to call our sales team on 01642 455945.


We aim to reply to you either via email or phone within 24 hours Monday to Friday.