If your door is not closing properly, it can compromise the entire security of your house. However, sometimes the problem cannot be solved by merely Fixing The Lock. The door jam could be warping, the hinges might be sagging, or the strike plate may be slipping.
Keeping that in mind, we have come up with this article. It highlights the major problems concerned with doors and how to fix them. If you cannot fix the door yourself, it is always advisable to call a certified locksmith.