We use Cookies to ensure that you get the best possible experience on our website

If you continue without changing your settings we will presume that you are happy with the use of all cookies on
this website. You can visit our cookies page to find out more or change your settings at any time.

Change Your Settings

Continue

Call 01268 681612 today

'UK Manufacturers of Quality Aluminium Products Since 1985'

Aluminium Windows Aluminium Doors Bi-folding Doors Sliding Patio Doors Secondary Glazing Steel Replacement Windows Steel Replacement Doors Aluminium Roofs Commercial Systems All Products

Secondary Glazing Bi-folding Doors Special Offers

Bifold Installation Delivery Fast Track Ordering Find A Fitter Marketing Support Product Design Tools

Emperor Concealed Bi-Fold

Passes With Flying Colours!

Introducing our patented Concealed Hinge Bi-folding Doors. These doors are now tested to PAS24 for security and the low threshold option is now weather rated. These bifold doors have no unsightly hinges breaking up the clean lines of the doors. The specially engineered hinges are fully concealed when the doors are closed, resulting in a clean, tidy and contemporary look. Why not come and see them for yourself?

Find Out More

Superior Locking Cylinders

We offer and range of superior euro profile cylinders that offer total protection and the highest possible levels of security demanded by British Standards. The cylinder protects against all methods of attack and includes unique features such as built in pick resistance, anti-drill, anti-bump and Snap Secure technology.

As well as being kitemarked under BSI and exceeding BS EN1303:2005, the latest security standard and PAS024 for advanced security, these cylinders have also achieved secured by design accreditation. This is the police preferred specification, which focuses on crime prevention.

Cylinder Snapping

Duration windows are committed to providing the most secure doors and bi-folding doors on the market, due to the short comings of standard door cylinder locks we now offer a range of superior locking cylinders. Door cylinder snapping is on the rise. With every day tools, an educated, knowledgeable and experienced burglar can break in through a standard door cylinder lock in less than 30 seconds.

With one of our high security superior locking cylinders this is not possible. An opportunistic burglar may snap and remove the external half of these superior cylinders, but the internal half remains locked and secure. These cylinders achieve this by blocking access to the internal mechanism, once the external half has been snapped off.

Cylinder Features

Pick resistant, anti-drill and anti-bump design.
Anti-snap secure technology - cylinders impervious to manual attack after snapping.
Superior physical strength and durability provides; high resistance to forced attack, saw attack and tamper resistance.
No additional prep required - easy retrofit.
They exceed PAS024 testing for advanced security, without the need for security handles or cylinder guards.
Smooth reliable operation.
Superior Series Key.
Independently tested and awarded British Standard Kitemark stamp (conforms to BS EN1303:2005).
Police preferred Secured by Design accreditation.
Can be ordered in keyed alike, thumb turn, singles & double profile formats.

We will generally offer either a Magnum Secure Lock Systems; Superior Cylinder Lock, an Avocet Hardware; ABS locking cylinder or equivalent superior locking cylinder. All of the cylinder locks we offer, are snap secure locking cylinders that carry the BSI Kitemark, PAS024 and Secured By Design accreditations as described above. For more information please visit their web pages directly.

Click here for more information on the Avocet ABS locking cylinder or here for more information on the Magnum Superior Cylinder.