Houses settle over time which often causes a door to sag inside its frame.
Door catching on floor.
The dragging door corner can scrape the floor or threshold.
Over time these screws can work their way loose causing the bottom of the door to drag on the floor.
Use a screwdriver to tighten the screws in the top hinge on the door and frame.
You can carefully pry up the doorstop with a thin pry bar and re nail to fit the warped door.
When your door opens only part way and scrapes on the floor not allowing it to open fully don t rush for the plane to remove part of the bottom of the door without trying.
I also made sure there is spare space between the top of the door and the frame when it was closed so it can still be closed even when it s a bit higher.
The door stop is the vertical strip of wood that runs down the center of the door casing which serves to stop the door from swinging any farther.
A dragging corner makes a door difficult to open and close.