How Long Will It Take For Black Mold To Grow. If you want to act fast enough to prevent mold from spreading after suffering water damage, you need to understand how growth works and the speed at which it can spread. Black mold causes many health problems.
Chronic coughing and sneezing, irritation to the eyes, mucus membranes of the nose and throat, rashes, chronic fatigue and persistent headaches can all be. Under ideal conditions (optimal temperature and level of humidity), it takes 24 to 48 hours for mold to germinate and grow. Toxic black mold needs a suitable material to be very wet for at least a week before it can begin to grow.
In the first two days after water damage occurs, mold begins its initial germination and growth.
This is the most common question that arises in a persons mind after a leak. How long does mold take to form? Moreover, how long does it take for mold to spread in walls? Although the condition indoors is not good enough for mold mushroom growth, they can still grow in the bathroom.