How To Remove Mold From Drywall. Spray the area well then immediately scrub with a clean cloth or brush to remove the surface layer of mold. If your mold problem isn’t too bad, combine 1 part baking soda and 5 parts water to make a mild cleaning agent. Unpainted drywall affected by black mold. Removing moldy drywall is the best choice for larger infected areas.
If you need a stronger cleaner, try mixing 1 part vinegar to 1 part water, or use an unscented detergent. Reapply the spray, lightly this time. There is mold in your heating, ventilation, and air conditioning system (most homeowners have neither the knowledge nor the equipment needed to properly remove mold from their hvac systems). Removing mold from painted drywall. It blackens the grout lines in your shower, discolors drywall, shows up as black spots on siding, darkens decks, and grows on and rots damp wood everywhere. Regardless, mold should be removed as soon as you notice it.
Reapply the spray, lightly this time.
You will need to remove and replace the drywall. The wood or drywall gets wet, a black mold spore that’s floating in the air lands on it, and it starts to grow within 24 hours. How to remove mold from drywall. On the other hand, if the drywall is coated, then cleaning should be easy. If you have to remove mold from painted drywall, you shouldn’t have issues completing the project. If the drywall is not coated, removing mold using water and cleaning agents may not work since it’s too porous.