If this is the case fixing the door is only a short term solution.
How to fix bifold closet door that drags against floor.
A dragging corner makes a door difficult to open and close.
Do not remove more than 1 4 to 1 2 of an inch 64 to 1 27 cm of wood.
The dragging door corner can scrape the floor or threshold.
After a few years of use bifold doors often start to sag scrape against the floor or pop out of their brackets.
Plane the door with a belt sander.
Maybe its your sliding track maybe slider wheels.
Set the pencil tip and compass point 1 8 in.
First fix the door then look into foundation repair.
Loosen the set screw on the top bracket and slide the bracket slightly along the track to adjust the space between the top of.
Masking tape makes the pencil line easy to see.
Over the years windows start to stick.
Apart and run the point along the jamb.
These flush bolt floor keepers are typically located on the bottom of the door in the center and prevent them from swinging at 15 to 30 degree angles.
If your closet door has one you need to remove it before you can put your door back on the track.
Floor keepers are typically fastened to sliding doors by two screws.
Maintaining sliding closet doors.
Because sliding doors don t fold out the way bifold doors do they allow access to only half the width of the opening at a time.
If your door is a solid wood door you have more leeway in regards to how much wood you can remove.
How to adjust a binding folding door.
Interior doors are often hollow with only 1 inch 2 54 cm of wood to stabilize the door.
Three basic adjustments will usually get them back on track.
Houses settle over time which often causes a door to sag inside its frame.
Be careful not to cut the door too deep or too far.
Bifold doors are common on closet openings because a pair of the doors can cover the 5 foot wide door opening without the intrusion into the living space that.
Sliding closet doors operate on rollers that are positioned in tracks at the top jamb and floor allowing the doors to bypass each other in the tracks.
Ultimately your problem cannot be fixed with a screwdriver.