Why Some Multipoint Locking Systems Become Unavailable Over Time

 Multipoint locking systems are designed to keep UPVC and composite doors secure, but many people are surprised when they discover that their mechanism is no longer produced. When a handle becomes stiff, the gearbox fails, or the locking strip stops engaging, homeowners expect to replace the faulty part — only to find out that the original model cannot be purchased anymore.


This situation is more common than people think. Manufacturers update their locking systems regularly, and each new generation replaces the older design. As a result, certain versions simply disappear from the market.


Why Manufacturers Move On to New Systems


Companies do not keep the same design forever. Updates and redesigns are driven by several factors:


Improved security expectations

New break-in methods force manufacturers to strengthen and modernise their mechanisms.


Changes in door construction

Door profiles and materials evolve, and the locking systems must be compatible with newer frames.


Redesigned internal components

Gearboxes, cams, springs, and locking points are refined to create smoother and longer-lasting operation.


End of production cycles

Just like most hardware and engineering products, multipoint systems go through life cycles. Once a system reaches the end of its cycle, production stops.


What This Means When a System Fails


Once a discontinued system breaks, replacing a single component is no longer possible. A compatible modern alternative must be fitted, which often means:


installing a new full locking strip


matching it with the correct gearbox


adjusting the keeps on the frame


ensuring the handle set fits the updated mechanism



Even small differences in measurements can require extra alignment work to ensure the door locks smoothly.


Why Replacement Work Can Take Longer


Modern strips rarely match older systems perfectly. This can lead to additional steps such as:


re-drilling fixings


adjusting the height of locking points


replacing old keeps


full re-alignment of the door and frame



The result is a fully functioning, upgraded system that meets today’s standards, but it requires skill and time to install properly.


Why Costs Can Increase


When a system has been discontinued, the job becomes a complete upgrade rather than a simple repair. You are effectively modernising the security of the door. This can involve multiple new components, careful fitting, and extra alignment work — all of which influence the final cost.


Keeping Your Door Reliable


If your multipoint system becomes hard to lift, stiff to lock, or the gearbox fails, it is often a sign that an upgrade is due. A modern replacement mechanism provides smoother operation, improved security, and long-term reliability.



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Read the full detailed guide and main article on our website:

https://www.amzlocksmith.co.uk/post/why-multipoint-locking-systems-get-discontinued-and-why-repairs-sometimes-cost-more


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