The standard i use is 1 2 over finish floors 3 4 is acceptable.
Space between door and floor.
The door gap to the floor should be 5 8 to 3 4 inch.
Between a leaf of interior doors and the floor it is required to leave a gap of at least 2 2 5 cm to provide natural ventilation.
I have never seen a door set with that big of a gap unless it was to get past floors that were not level.
A gap of 4 cm is allowed for convenient and safe door opening.
How to create gaps when installing interior doors.
This allows for proper air exchange between rooms.
That is a lot of room for unlevel you have there.
To fix the issue the doors need to be removed bottom of the jambs cut and reset the door.
If each room has individual air returns the numbers can be smaller for personal taste.
During installation of a frame and during the initial formation 1 2 cm gaps should be left for foaming.
It should be measured from the floor surface to the bottom of the door.
Door clearance although this is a broad term it usually refers to the space between the top of the door and header rabbet or bottom of the door and finished floor.
You simply describe the gap take a picture of it or.
This number is regardless of flooring.