Mold on OSB
If you have more than a square foot of mold growth you should seek professional advice on how to perform the clean-up.
• The source of the water problem must first be corrected. All roof or plumbing leaks/flooding must be fixed.
• All moldy surfaces should be cleaned with a household bleach (like Clorox) and water mix = 1 cup of bleach mixed in 1 gallon of water. You can add a little dish soap to the bleach water to cut dirt and oil on the wall that can hold mold. With good ventilation, apply the bleach water mix to the surface with a sponge, let it sit for 15 minutes, then thoroughly dry the surface. Be sure to wear a dust mask, rubber gloves and open lots of windows when cleaning with bleach water.
• If the area cannot be cleaned (like some wet broken ceiling tiles), is too damaged, or is disposable (like cardboard boxes) discard them and replace with new ones.
• It may be necessary to do more clean up in the home (carpets, crawl spaces) if you have a bad mold problem.
Call your city or county health department if you have questions or need assistance.
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