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Doorknob Placement

Vintage hardware presents a design challenge because deadbolts were not incorporated into door designs 50 years ago. We suggest several different options for pre-drilling doorknob and deadbolt holes to solve this design problem.
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Standard
This is the configuration you would get from a door bought off the shelf at
a big box store. The knob is roughly 3 feet from the floor and 2-3/8 inches
back from the edge of the door (called the "backset"). The deadbolt
is 5.5 inches above the doorknob (measured center to center). |
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Vintage
Many mid-century doorknobs were placed further from the edge of the door. Often
this was to accommodate a large escutcheon (also called a "trim rosette" or "back
plate") around the door knob. Our vintage placement puts the knob 5 inches
back from the edge of the door (called the "backset") . The deadbolt
is a standard 5.5 inches above the doorknob (measured center to center). |
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Geometric
For our doors with designs centered top to bottom on the door, we suggest a doorknob
placement that is centered top to bottom. The doorknob is 3 feet from the floor,
and the deadbolt is 3 feet from the top of the door. On an 80 inch tall door
the distance between them is 8 inches (measured center to center). |
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Vintage-Geometric
For doors with large escutcheon plates, the extra distance between the door knob and deadbolt adds some breathing room. |
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Sputnik
This arrangement happened accidentally on many mid-century doors. A doorknob with a five inch backset was augmented at some later date with a deadbolt in the standard placement. The result is a deadbolt orbiting the doorknob. |
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