If each room has individual air returns the numbers can be smaller for personal taste.
Gap between door frame and floor.
So we have some gaps around door frames.
Put some in and let dry do it several times to build up.
Gaps between door casing and laminate flooring are common and manufacturers have designed a wide variety of special pieces for this purpose.
Then take the outline trace it on a pice of wood cut it painted as the color of the frame add some elmer s glue tap it with a light mallet under the frame.
They are centered under the door and reduce airflow and noise.
Tools used link to amazon.
This number is regardless of flooring.
Https amzn to 2qzgks0 quick tip for closing a gap in a door frame after install this door in this older building.
The gap around a door frame is a structural necessity it allows you to fine tune the jamb level and acts as a buffer between the jamb and wall framing.
I purchase a filler sealant made for small dings nicks on the floor so i could use that on the top of whatever i use to fill in to make it match the floor.
You fine tune the level by inserting.
You simply describe the gap take a picture of it or.
The door gap to the floor should be 5 8 to 3 4 inch.
The most common solution is to add wood planks to the floor not the door.
They are specialized moldings usually about 3 to 6 inches wide with tapered edges.
These are called saddles.
These are most commonly available in unfinished oak or.
Do the last layer with matching filler if the frame is hardwood.
For the door frame you can use dry wall compound to fill the gap.
The usually are 1 2 to 3 4 inches thick.
The d i y video shows how to caulk exterior gap between entrance door to a patio stair or how to seal outdoor big gap between entrance door to patio in order.
That should fix it.
Easy fix take a piece of paper and place it under gap of the door frame with a pencil draw around the outline of the frame.