1 loosen the setscrew on the knob s shank.
How to fix door lock gap.
If your door rubs near the top or drags on the floor use a screwdriver not a drill to tighten the screws.
Then re nail the door stops on leaving a 1 2mm gap all the way around to allow for paint fix them tighter if no decorating needs doing afterward.
A drafty door with chilly drafts air blowing through your entryway.
If that doesn t work shim the hinge side.
Continue pulling until it completely.
Pull the weatherstripping toward the outer edge of the door.
If the gap along the side of your door is so large that the latch won t catch or barely catches.
A binding door may need to be planed but often simpler repairs will solve the problem.
Tighten the hinge screws.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
Screws magically work themselves loose over the years.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it fits snugly.
Gaps along the latch side of a door may be reduced by shimming out the hinges in some cases.
Examine the weatherstripping on the bottom of the door to see if there are holes or worn areas.
If the hinges are fine you may need to take the door off and re square it from scratch.
A visible door gap between the door and door frame.
Tighten the screws or repair the screw holes.
In some cases a simple fix like tightening the hinges is enough.
Remove the trim and cut the nails holding the frame to the studs.
If a door binds on the latch side at the top the upper hinge may be loose.
A misaligned door results in uneven gaps along the edges and often affects closing and latching.
Throw the hinges i m not talking out the window here if you don t want to cause any re decorating you can adjust a door by the hinges.
If it binds on the latch side at the bottom you may need to fix the bottom hinge screws.
Door gap fix repair door gaps and drafty doors a door gap resulting in light under the door or peeking around the edges of the door.
If the screws are loose in the casing replace them with larger ones to create a tighter fit.
3 if this does not help remove the knob.
Water leaking from the top of the door frame.