The sight of mold can make any normal human cringe. It might be good for the decomposition process of organic matter in nature, but having it indoors can be extremely detrimental for your property as well as for your health. Mold spreads really quickly and infests your home like it is not going away ever. But, what is the reason for mold growth? Well, mold thrives anywhere there is moisture – whether it is carpet, clothing, food, paper, the backside of drywall, or above ceiling tiles. If there is excess humidity, the mold will start developing in less than 48.