THE door industry journal summer 2025 32 Industry News Safe and Efficient Spring Tensioning with Surewinder and Brutewinder Garage and industrial door spring tensioning is one of the most critical and potentially hazardous tasks for installers and service professionals. At SOMMER DOCO UK, part of the SOMMER Group, we understand the importance of safety, efficiency and precision in this essential process. That’s why we’re proud to be the official European distributor of the Surewinder and Brutewinder spring winding tools, trusted by professionals worldwide for their durability, ease of use and safety benefits. Trusted Tools for Modern Installers Available through SOMMER DOCO UK, the Surewinder and Brutewinder systems represent a significant advancement in spring tensioning technology. • Surewinder is our standard tool designed to replace traditional winding bars. It allows technicians to wind torsion springs using a standard cordless drill, delivering smooth, controlled tensioning with reduced manual effort. • Brutewinder, its robust counterpart, is a heavy-duty solution ideal for larger spring setups or commercial doors. Built for power and endurance, it offers similar ease of use while tackling even the most demanding spring systems. Both tools are designed to work with industry-standard torsion springs and are compatible with a wide range of garage door systems, including those supplied by DOCO. Minimising the Risk of Spring Tensioning Torsion springs are under immense pressure and require exacting force to install or adjust correctly. Traditional winding methods often involve manual tensioning bars and considerable physical effort, increasing the chance of misjudgment or injury. With installers’ safety being a top priority, more professionals are turning to drill-operated winding tools that do the job more safely and with greater control. Also online at: www.dijonline.co.uk
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