Black Mold: Can it be Caused by a One-Time Leak?

Find out if you should be worried about black mold developing in your home after a one-time leak. Learn why mold only develops in a place that stays wet for a long time, and get tips on doing something counter-intuitive when your ceiling starts bowing with dampness: poke a hole in the ceiling until you find the spot where the water is puddled and it all drains out. It's easier to repair a hole than replace a ceiling.