Bi-folding Doors

Bi-folding doors can be made in combinations of 2 to 7 panels with over 20 different folding options, open in or out, and the main track can be fitted to the top or bottom. Various threshold options include a concealed low aluminium wheelchair threshold. Sizes range from 1.2m to 5.9m in width and up to 2.4m in height, with internal and external high security locking options available. The bi-fold door is perfectly designed to be used as a room divider as well as an alternative to the traditional French or patio door.

  • Modern and stylish, Bi-Folding doors are an innovative way to enlarge the feel of any room and extend the garden into the home.

    • Compatible with other Spectus products ensuring a consistent finish across the range
    • Doors fold back against each other to maximise space
    • Inward or outward opening options
    • The bottom track can also be concealed for reduced threshold height
    • Two to seven panels can be manufactured in a number of different configurations
    • Doors fold back against each other to maximise space
    • Rigorous in-house weather performance testing carried out to the requirements of PAS23
    • The bottom track can also be concealed for reduced threshold height
    • Optional aluminium low threshold
    • A wide range of colour, woodgrain and metallic foil finishes available

    All Spectus door profiles are available in a range of colours so you can tailor the finish according to the individual style of your property.

  • If you are looking for a solution to complement the character and style of your home or if you just want to stand out from the crowd, why not consider colour?

    Bison offers a diverse range of colour, woodgrain and metallic foil finishes, which will enhance the look of your property - whatever the style.

  • Lock snapping the problem

    In as little as 13 seconds an intruder can get past a standard euro cylinder door lock using simple DIY tools. Lock snapping break-ins are increasing and is one of the most common methods of forced entry into homes.

    Most UPVC doors are secured with a replaceable barrel known as a Euro Profile cylinder as shown. Over the past few years there has been a rise in forced entry break-ins using a method know as lock snapping.


    New standards have now been developed to test a euro cylinder's resistance against snapping attacks.

    The common euro cylinder lock on most homes has a major weakness located around the screw fixing position which means when pressure is applied the lock simply snaps.

    Once this happens the cam that operates the door bolt falls away - allowing access within seconds!

    It doesn’t matter how many hooks and bolts your door has, the euro cylinder is the weakest link.

    Burglars are aware of this weakness and lock snapping break-ins are rising as a result.

    The Police are urging homeowners to review their locks to upgrade to new TS007 British Kitemark 3 star and Sold Secure Diamond rated locks.

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