Pre Hung Door Bottom Clearance - Remodeling - DIY Chatroom Home Improvement Forum

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Old 01-19-2012, 12:53 AM   #1
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Pre Hung door bottom clearance

I have three 32 by 78 interior doors to install in my basement.

Rough Openings are 34 by 80 1/2

There exists no subflooring yet,only concrete.

My question is,I am looking to install a dricore subfloor,which is 7/8ths thick,after that how much clearance will I have to put finished floor on top before contact with the bottom of the door becomes an issue?

Thanks in advance for your inputs.


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Old 01-19-2012, 01:41 AM   #2
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1 inch space between the floor and the bottom of the door is the standard.


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Old 01-19-2012, 08:51 AM   #3
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Last edited by BigJim; 01-19-2012 at 02:18 PM.
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Old 01-19-2012, 09:08 AM   #4
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Install the door with pieces of sub and finish floor stacked under the jamb.
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