The Mold Remediation Process - Servpro

In addition to causing significant property damage, mold can produce allergens and irritants that can cause health effects. SERVPRO® understands mold and mold growth, and has the training and equipment to remediate the mold in your home or business.

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Understanding Mold

Microscopic mold spores exist naturally almost everywhere, indoors and outdoors, so removing all mold from a home or business is impossible. Some restoration businesses advertise “mold removal” and even guarantee to remove all mold, which is a fallacy. Consider the following mold facts:

• Mold is present almost everywhere, indoors and outdoors.
• Mold spores are microscopic and float along in the air, and they may enter your home through windows, doors, or AC/heating systems or even hitch a ride indoors on your clothing or a pet.
• Mold spores thrive on moisture. Mold spores can quickly grow into colonies when exposed to water.
• Before mold remediation can begin, any sources of water or moisture must be addressed. Otherwise the mold may return.
• Let your nose lead the way. Mold often produces a strong, musty odor, and can lead you to possible mold problem areas.
• Even higher than normal indoor humidity can support mold growth. Keep indoor humidity below 45 percent.

Understanding the Mold Remediation Process

Every mold damage scenario is different and requires a unique solution, but the general mold remediation process stays the same. The steps listed below illustrate the “typical” process:

Step 1: Emergency Contact

The mold cleanup and restoration process begins when you call us. Our specialist will ask a series of questions to help us determine the necessary equipment, resources, and personnel.

Step 2: Inspection and Mold Damage Assessment

SERVPRO will carefully inspect your property for visible signs of mold. Mold feeds on cellulose and water and can be hidden from plain view. We use various technologies to detect mold and hidden water sources.

Step 3: Mold Containment

We'll use various containment procedures to prevent the spread of mold. We may use an advanced containment procedure, like a negative air chamber, to isolate the contaminated area with physical barriers and negative air pressure to keep the mold spores from spreading during the cleanup process. All fans and heating and cooling systems may be turned off to prevent the spread of mold.

Step 4: Air Filtration

Specialized filtration equipment allows us to capture microscopic mold spores out of the air. We utilize powerful “air scrubbers” and HEPA vacuums to prevent the spread of these mold spores while the mold remediation is in process.

Step 5: Removing Mold and Mold-Infested Materials

The mold remediation process depends on the amount of mold growth and the types of surfaces on which the mold appears. SERVPRO uses antifungal and antimicrobial treatments to eliminate mold colonies and to help prevent new colonies from forming. Removing and disposing of mold-infested porous materials, like drywall and carpeting, may be necessary to remediate heavy mold growth.

Step 6: Cleaning Contents and Belongings

We also may clean your furniture, decorative items, curtains, clothing, and other restorable items affected by mold. We'll use a variety of cleaning techniques to clean and sanitize your belongings. We're also trained to remove odors and deodorize using fogging equipment and other methods.

Step 7: Restoration

Depending on the level of mold damage, drywall, subfloors, and other building materials may be removed. Restoration may involve minor repairs, such as replacing drywall, painting, and installing new carpet; or it may entail major repairs such as the reconstruction of various areas or rooms in a home or business.

Concern about the health effects of exposure to indoor mold has been growing over the past few years. In this fact sheet, we provide answers to the most common questions received about indoor mold and health.

Other IDPH fact sheets that relate to mold include:

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• Moisture in the Home
• Mold, Reducing Your Exposure to
• Mold and Your Health
• Indoor Environmental Quality: Testing Should Not be the First Step
• Cleaning Up After Flood and Sewer Overflows

Citizens can find individuals or companies that perform mold testing by looking under “Environmental Services” in the Yellow Pages of their book. IDPH recommends looking for individuals or companies that employ certified industrial hygienists or persons who work under the supervision of industrial hygienists.

Citizens also may search the Internet for individuals or companies that do this kind of work. The American Industrial Hygiene Association provides a list of its members at http://www.aiha.org . Citizens may search the list of certified industrial hygienists by specialty, state and location (i.e., residential, commercial or both).

IDPH does not recommend testing for mold (see the fact sheet “Indoor Environmental Quality: Testing Should Not Be the First Step”). If mold growth is visible, testing is not needed to identify what type or level of mold is present. Mold testing also is not typically useful in determining what steps to take for cleanup.

If you can see or smell mold, testing is usually not necessary. It is likely that there is a source of moisture that needs to be fixed and the mold needs to be cleaned or removed. Even if testing is done, no standards or guidelines exist to judge acceptable amounts of mold. Testing cannot determine whether health effects will occur.

Stachybotrys is a greenish-black, slimy mold found only on cellulose products (such as wood or paper) that have remained wet for several days or more. Stachybotrys does not grow on concrete, linoleum or tile. According to the U.S. Centers for Disease Control and Prevention, all molds should be treated the same with respect to potential health risks and removal. Exposure to any mold could cause health effects under the right conditions.

Many molds can cause adverse health effects. Molds produce allergens, irritants and, sometimes, toxins that may cause adverse reactions in humans. A reaction to mold depends on how much a person is exposed to, the general health and age of a person and the person’s sensitivities or allergies. The same amount of mold may cause health effects in one person, but not in another.

Exposure to mold can cause a variety of symptoms. Sensitive people who have touched or inhaled mold or mold spores may have allergic reactions such as a runny nose, sneezing, nasal congestion, watery eyes, skin rash and itching. Molds can trigger asthma attacks in people who are allergic to molds, causing wheezing, chest tightness and shortness of breath. A disease like pneumonia also may develop after exposure to mold, but this is uncommon.

The guidelines for cleaning smaller areas (less than 30 square feet) of mold growth include the following practices:

1. Find and fix the source of excess moisture. Any mold cleanup or remediation plan that does not address underlying moisture problems will ultimately fail.
2. Heavily damaged, porous materials (such a carpeting or drywall) that cannot be thoroughly dried and cleaned should be discarded and replaced. Non-porous surfaces and porous materials that cannot be removed should be cleaned using a soap or detergent solution. Areas that have been cleaned also may be disinfected using a diluted bleach solution (no more than 1 cup of bleach per 1 gallon of water), but it is critical that all visible mold growth and soiling are cleaned off using a soap or detergent solution before applying a disinfectant. Bleach will be less effective if dirt and visible mold are not removed first.
3. Minimize dust and debris when removing moldy drywall, carpet, and other materials by misting surfaces with water. Do not dry scrape or sand surfaces contaminated with mold, and do not use hammers when removing drywall.
4. Water-damaged materials and debris should be double-bagged, sealed, and the bag wiped clean prior to removal from work areas. This will help to prevent mold spores from spreading to other, uncontaminated areas.
5. Provide continuous ventilation, especially when cleaning agents or disinfectants are used.
6. Wear rubber gloves and protective clothing that are easily cleaned or discarded. In addition, wear a properly fitted N95 or HEPA respirator mask. These masks can be purchased for a minimal cost at a hardware store. To prevent eye irritation, wear goggles without ventilation holes.

The guidelines for cleaning areas of mold growth larger than 30 square feet (roughly the size of a sheet of dry wall) include these additional practices, which may require the services of a professional mold remediator:

1. Isolate work areas using methods similar to those used for lead or asbestos abatement. This should include critical barriers that block all openings, and heating, ventilating, and air-conditioning (HVAC) system components to prevent the spread of hazardous materials into surrounding areas, and negatively pressurizing the work areas from surrounding areas. The HVAC system also should be shut down during removal activities. 
2. Clean all surfaces within the work areas to remove settled dust or debris prior to taking apart critical barriers. Surfaces in surrounding areas also can be cleaned, if necessary, after taking apart the critical barriers. Use cleaning methods, products and devices that are known to be successful in the cleanup of mold contaminated dusts, such as HEPA vacuums and diluted bleach solutions.
3. Surfaces should be cleaned by HEPA vacuuming until surface dust is no longer visible. After vacuuming, surfaces should be wet cleaned with a soap or detergent solution. If a residue remains, it should be vacuumed. Cleaning can be followed by disinfection with a diluted bleach solution (no more than 1 cup of bleach per 1 gallon of water). It is critical that all visible mold growth and soiling are cleaned off using a soap or detergent solution before applying a disinfectant. Bleach will be less effective if dirt and visible mold are not removed first.
4. Allow complete drying of all materials wet from excess moisture, cleaning activities, or disinfection.
5. Provide continuous ventilation, especially when cleaning agents or disinfectants are used.

Yes. You can find professionals who perform mold cleanup by looking under “Fire and Water Damage Restoration” in the Yellow Pages of a book. You also may search for professionals on the Internet. The Institute for Inspection, Cleaning, and Restoration Certification (http://www.certifiedcleaners.org/index.shtml) and the Association of Specialists in Cleaning and Restoration (http://www.ascr.org) allow consumers to perform a search for their members online. The results of a typical search will include names of professionals, geographic location, and a number.

In , the Illinois General Assembly adopted House Joint Resolution 12, which established the Joint Task Force on Mold in Indoor Environments. This task force examined the mold issue in Illinois and made recommendations to the General Assembly about the regulation of mold in indoor environments in Illinois. In , the Mold Remediation Registration Act was passed into law. This law requires that IDPH annually report to the General Assembly any federal research and regulations related to mold cleanup and standards for mold remediation training.

IDPH does not have the authority to enforce codes that define and protect indoor air quality. We can provide information and recommendations to you and your landlord for addressing the mold, but we cannot require your landlord to implement the recommendations that we provide. In fact, we often refer citizens back to an enforcement entity within their local government, such as a Department of Building and Zoning, for assistance since some mold problems may result from building code violations. Persons in incorporated areas should contact their city government while persons in unincorporated areas should contact their county government.

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