UPVC REPAIR NOT REPLACE In 2024, the Souber Tools Window Mechanism Opener and the Door Spreader Kit were released and have gone on to become industry standards when tackling failed UPVC mechanisms. They didn’t just solve problems — they changed mindset. The kits focused on safely creating a spread to access and release mechanisms. Allowing locksmiths to replace the mechanism without any damage to the window/door frame. At the end of 2025, Souber Tools expanded that philosophy. Not with one tool, but with an interconnected range built around the most common failures in today’s market: UPVC and composite systems.
S ouber T ools W indow M echanism A dvanced K it Rather than replacing the original system, it extends it — covering reverse shootbolt mechanisms and major brands such as Maco, Saracen and Yale. It also enables access to mushroom cams in extremely difficult positions. Importantly, existing users can upgrade. A dedicated upgrade kit allows locksmiths to convert their original opener into the full Advanced Kit, complete with a new case to consolidate equipment.
T he 2025 additions focus squarely on these realities . The UPVC ‘No Cam’ Door Kit addresses inward- opening doors without rollers or cams — allowing locksmiths to release or, if necessary, precisely cut failed hooks or deadbolts. Used alongside the Door Spreader Kit, it creates a controlled, hands- free gap to work safely and accurately. The UPVC Slotting Kit takes things further. Built around a “Backtrack” method, it is designed for mechanisms that simply will not release — ideal for shootbolt-only systems, rusted failures or smaller windows where conventional access isn’t possible. By accessing the back of the sash through panel or unit removal, the process remains controlled rather than chaotic. Meanwhile, the Tilt & Turn Kit continues the expansion of window-focused solutions, addressing one of the more technically awkward modern systems. Instead of improvising with generic tools, locksmiths now have a purpose- built method. Across all three, one detail stands out: the introduction of the new Magi-Blade®. Featured within the UPVC ‘No Cam’ system, it is engineered specifically to cut hooks or bolts cleanly where release cannot be achieved — turning what was once destructive entry into controlled intervention. The strategy is clear: as UPVC problems continue to dominate call-outs, specialist solutions must increase. Composite doors are becoming increasingly common across the UK. Stronger slabs, premium finishes and high-security multi-point systems make them attractive to homeowners — but costly to replace when things go wrong.
Advanced Window Kit Adrian Waine Photography
Tackling Modern UPVC Failures — Without Defaulting to Destruction • Souber Tools UPVC No Cam Door Kit • Souber Tools UPVC Slotting Kit • Souber Tools Tilt & Turn Kit UPVC remains one of the most common materials in the UK housing stock — and one of the most frequent sources of failure. Shootbolts seize. Hooks jam. Tilt & turn windows drop out of alignment. Mechanisms rust, snap or refuse to retract.
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