Remove the two screws on the inside door knob faceplate with a phillips screwdriver.
Sticky lock on front door.
Fortunately most front door lock problems can be.
Handle powdered graphite carefully.
Pull both door knobs away from the door.
Do not over tighten the screws or you may strip break them.
Almost all sagging doors are due to loose hinges.
Spray a couple of shots of spray graphite on the latch mechanism where you see a seam.
Tightening hinges on a sticking or sagging door loose hinges are the primary causes of sagging doors.
The fix in instances with a door latch stuck because it is jammed by rust and other materials it is always best to disassemble the lock and do a bit of cleaning.
Use the right product resorting to spraying vegetable oil wd 40 sewing machine oil or similar products in the keyhole is a fairly common fix.
Just gently squeeze a very small amount of graphite powder into the keyhole and then use your key to slowly work the lubricant into the lock.
The problem however is that oil or grease will eventually make the sticking lock worse.
Tighten the screws that go into the door and the screws that go into the door frame.
Below are 3 tips to fix sticky locks.
Sticking door locks can be attributed to everything from slight settling of the house to a buildup of dust and dirt within the locking mechanism.
If it s a matter of the door edge hitting the door frame use your philips screwdriver and tighten the screws on either the top middle or bottom hinge.
Another way to do it is to coat your key with the graphite powder first and then simply insert it into the lock.
Start by using a little bit of lubricant and apply more if the lock still sticks.
And when doors sag they tend to stick because they rub against the door jamb on the latch side of the door opening.