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If your front door still has that solid “clunk” sound when it closes, chances are you’re dealing with a mortise lock,one of the most durable and classic lock designs ever made. These locks have been securing homes and buildings for over a century, and they can outlive the door itself if maintained properly. But like any mechanical system, a mortise lock can wear down, get stiff, or lose alignment over time. Reworking a mortise l… Read more

If you live in a home built before the 1970s, think brownstones, row houses, or early ranches, your exterior door probably still has a mortise lock, a solid, box-shaped mechanism that slides into a pocket in the edge of the door. In contrast, most modern doors use cylindrical locks, the round, easier-to-install style you see on shelves at any big-box store. So when it’s time to remodel or upgrade security, many homeowners ask: can you repla… Read more