Why does my door push open when its locked?
Why does my door push open when its locked? Either the door frame is too wide, or the insert in the door is installed too far inside away from the edge of the door so that it does not go all the way far enough into the strike plate cavity, so as to remain shut when force is applied to the door. What to do if your back door latch won't work? An expert who has answered 1,000 questions. Well, it could be something as simple as the latch mechanism needs to be lubricated. Spray some lub spray, wd 40,...