Front Door Knob Height - Remodeling - DIY Chatroom Home Improvement Forum

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Old 09-10-2010, 04:38 PM   #1
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front door knob height

We purchased a new door and Schlag door knob. We went to put the doorknob on and the height of the hole on the door is 33" from the floor. Our contractor says its too low, it looks too low to us, but the door manufacturer says to me that it is industry standard. Can you help? Jan


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Old 09-10-2010, 05:57 PM   #2
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I measured my 2 doors & they are ~33" to the middle of the knob


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Old 09-10-2010, 06:02 PM   #3
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from what I have found, there is no set or required height. It appears that most sources I could find suggested 36" although there were a few that listed a lower setting.

I agree that 33" is too low. I prefer the knob at 36".

Not that it is applicable but I could find no minimum height in the ADA standards but they did list a max of 48".
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Old 09-10-2010, 08:31 PM   #4
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To drill a door slab for a lockset, 36" has been the industry standard. From '89:

For a thumb latch= 34-38":

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Old 09-10-2010, 09:21 PM   #5
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Thanks everyone.
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Old 09-11-2010, 12:22 AM   #6
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The standard height for doorknobs on a typical 80-inch tall, household door is 36 inches. Why this is standard is not certain. The most likely explanation is that, the center of most middle rails in the typical drop paneled door was 36 inches from the bottom of the door. This is how it is still measured today, with the tape measure hooked under the corner of the door to a height 36 inches up.


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