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My contractor just hung our fancy dancy un-painted solid wood door slabs in my 100 year old house with solid hardwood floors throughout. There is an approximately 1.5" gap at the bottom of the doors. I think it is too big and think a 1/4"-1/2" gap would accommodate any unevenness in our floors and allow us to use area rugs. Is there a standard size for the gap at the bottom of the door? If it is in fact too big, how do we fix it?

This was part of a major renovation that involved replacing all the trim and repairing damaged plaster. The areas around the doors were stripped down to the studs and headers, but the hardwood floors were left in place. There is no sort of threshold on the floor between the rooms as the hardwood floors run throughout the house.

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    Keep in mind that there should be some gap to allow return air to get out of the rooms for the A/C system (assuming there is one), but 1.5" seems excessive. – JPhi1618 Feb 28 '18 at 20:47
  • 1.5" sounds like a lot unless you are adding carpet and a pad then it sounds about right to allow some return air like jphil1618 mentioned. – Ed Beal Feb 28 '18 at 23:06
  • This is the gap when closed or the minimum gap along the swing? If the floor is not flat or perpendicular to the door swing you may have to leave more of a gap. Otherwise seems a bit much. – Stanwood Mar 1 '18 at 0:26
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The standard I use is 1/2" over finish floors, 3/4" is acceptable. To fix the issue the doors need to be removed, bottom of the jambs cut and reset the door.

I have never seen a door set with that big of a gap unless it was to get past floors that were not level. That is a lot of room for unlevel you have there.

IMHO, you hold the cash, have them fix it, only then they will receive the next payment.

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Mostly 1/4inch and differ from the finished floor or level. However,traditional carpenters tend to think of the bottom sill set up. It could be their fixed habbits.

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