For Houston residents in the process of cleaning up their homes and businesses following floods, the Centers for Disease Control and Prevention offers tips on cleaning up mold after disasters, especially when to use bleach.
In the aftermath of a hurricane, flood, or other catastrophic storm, the availability of “green” cleaning products may be limited, leaving bleach and dish detergent as the primary options for mold removal. Despite their simplicity, these household staples can successfully fight mold infestations in flood-damaged areas.
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Initial steps:
- Assess the extent of water damage in your home or business.
- If the area is covered in debris with thick mud and dirt on floors and walls, prioritize their removal before addressing mold.
Debris removal:
- Remove all moldy and water-damaged items from inside the building.
- Dig out mud and dirt from affected surfaces.
- Use a wet vacuum to remove the remaining dirt thoroughly.
Cleaning process:
- Clean all hard surfaces (flooring, molding, furniture, countertops, sinks) with water and dish detergent.
- Scrub cleanable surfaces (wood, tile, stone) with soapy water and a bristle brush if moderate mold damage is present.
- Dry surfaces quickly and thoroughly after cleaning using unaffected fans, air conditioners, or dehumidifiers.
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When to use bleach:
- Bleach and dish detergent can be used for mold clean-up when “green” products are unavailable.
- To kill mold on surfaces, use a bleach solution containing no more than 1 cup of household laundry bleach per 1 gallon of water.
- If the inside of your home has only minor mold and water damage, bleach may not be necessary.
The CDC has a few important safety reminders:
- It is recommended that you wear at least an N-95 respirator, goggles, and protective gloves as personal protective equipment.
- Open windows or doors when using any cleaning products.
- Bleach and ammonia should never be mixed.
- Disaster cleanup should not involve children.
- Before you turn on your home’s heating, ventilating, and air-conditioning system, have it checked and cleaned by a professional who specializes in mold cleanup. Turning on the system after it has been flooded can spread mold throughout the house.
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