Inspect for Any Misalignment and Gaps

Check and establish where the door sticks or is not properly aligned. You can do this by opening and closing door while paying close attention. Inspect for gaps around the door’s edges when it’s closed. While the door is open, put a level on top edge to check if it hangs level.

Check Where the Latch Hits the Strike Plate

Check the point at which the latch on the door is hitting the strike plate. Is it too low, too high or just at the right point? You can use some kind of color or something like lipstick which will leave a mark on the position when the door is closed.

Tighten the Screws

Tightening the screws on the hinges can help correct where the latch hits the strike plate. This is one way how you can fix a door that rubs at the top or bottom.  To do this, ensure that you:

Tighten the screws on the bottom hinge to make the latch hit lower( In case it was hitting too high) Tighten the screws on the top hinge to make it hit higher. This

Place Cardboard Shims between the Door Hinges and Frame Use cardboard shims in between the hinges and the frame. Cut a rectangular piece of the back notebook cover to a size slightly bigger than the hinge at the point it connects with the door frame. Screw it to either the lower or upper hinge depending on whether you want to lower or raise the door.

Door Frame Replacement

Sometimes, the only way how you can fix a sagging door is by complete replacement. Replace your door frame if it’s warped and the adjustments to the hinges do not address the issue. The above tips can guide you on how to fix a door that sticks at the bottom or top caused by loose hinges or screws that need tightening. Some problems may however necessitate the services of a professional.