Rated 5 STARS by our trade partners - View Reviews
This maintenance guide video provides essential instructions on maintaining an Ultion barrel lock, is available for Gallery 44 and Sheerline products, including bi-fold, single, and double doors. Designed for professionals, the video details the procedures for regular upkeep to ensure the lock's longevity and optimal security performance. It covers key aspects such as cleaning, lubrication, and checking for wear and tear, making it an invaluable tool for anyone responsible for the maintenance of these high-security locks.
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Listers / Lister Windows are trading names of Listers Central Ltd, and GJB Developments Ltd, subsidiaries of GJB Holdings Ltd, registered office 21 – 23 Totman Crescent, Brook Road Industrial Estate, Rayleigh, Essex, SS6 7UY | Company number 02613952.
