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The lock does not sit inside the door body, it sits on the door. As long as your existing dead bolt turning rod can reach across the door thickness (i.e. you have a functioning dead bolt), you'll be fine.
Sorry, there was a problem. Please try again later.The Smart Lock installs over your existing single-cylinder deadbolt, replacing just the inside part where the thumbturn is. So it can install over a wide variety of different doors.
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