Mold remediation is crucial for protecting the health of occupants, preserving the integrity of buildings, and ensuring a safe and comfortable living or working environment. Unchecked mold deposits can lead to health issues, structural damage, and associated lawsuits. It is important to engage qualified professionals for mold remediation to ensure effective removal, proper containment, and addressing underlying moisture issues.

What is Mold?

Mold is a type of fungus that grows in multicellular filaments called hyphae. It is a natural part of the environment and can be found both indoors and outdoors. Mold reproduces by producing tiny spores that are invisible to the naked eye and can float in the air.

Mold requires certain conditions to grow, including moisture, a source of organic matter (wood, paper, fabric, etc), and suitable temperatures. When these conditions are met, mold spores can settle on surfaces and begin to grow and spread.

What are the Dangers of Mold?

Mold can pose various dangers to human health, as well as the integrity of buildings and property. Some of the risks and dangers associated with mold include:

Negative Health Effects

Mold can release spores and mycotoxins into the air, which can be inhaled or come into contact with the skin. Exposure to mold spores and mycotoxins can cause allergic reactions, including:

  • Sneezing
  • Coughing
  • Itchy eyes
  • Allergy and Asthma aggravation
  • Respiratory problems

Individuals with pre-existing respiratory conditions or weakened immune systems may be particularly vulnerable to mold-related health effects. Mold is a common allergen and can trigger or exacerbate allergies and asthma symptoms in susceptible individuals. Prolonged exposure to mold can lead to chronic respiratory issues and allergic sensitization.

Mold spores and volatile organic compounds (VOCs) released by mold can irritate the respiratory system, leading to respiratory problems such as coughing, wheezing, throat irritation, and nasal congestion.


In rare cases, certain types of mold, such as Aspergillus or Stachybotrys chartarum (black mold), can cause infections, particularly in individuals with weakened immune systems or underlying health conditions.

Structural Damage

Mold growth can cause structural damage to buildings and materials over time. It can deteriorate wood, drywall, insulation, and other organic materials, compromising their strength and integrity. This can lead to costly repairs and compromised structural safety.

Reduced Air Quality

Mold can contribute to poor indoor air quality. The presence of mold and its byproducts can result in musty odors, unpleasant smells, and a general discomfort in the living or working environment.

Decreased Property Value

The presence of mold in a property can decrease its value and make it more difficult to sell or rent. Mold issues may need to be disclosed to potential buyers or tenants, and remediation costs can affect property evaluations.

What is Mold Remediation?

Mold remediation refers to the process of removing and remedying mold growth in a building or affected area. It involves the identification, containment, removal, and prevention of mold to restore a healthy and safe environment. There are several steps generally taken when a mold remediation project starts:

Assessment and Inspection

A qualified professional assesses the extent of mold growth, identifies the type of mold present, and determines the underlying cause of moisture or water intrusion that led to mold growth.


To prevent the spread of mold spores to unaffected areas, containment measures are implemented. This may involve sealing off the affected area with plastic sheeting and using negative air pressure to ensure that airborne mold spores do not escape.

Air Filtration

High-efficiency particulate air (HEPA) filters and air scrubbers are used to capture and remove airborne mold spores during the remediation process.


The mold-affected materials, such as drywall, carpeting, insulation, or other porous items, are carefully removed and disposed of in sealed bags to prevent cross-contamination. Non-porous surfaces are thoroughly cleaned using appropriate mold remediation techniques and antimicrobial solutions.

Cleaning & Disinfection

The affected area is cleaned and disinfected to remove any remaining mold spores and prevent regrowth. This step may involve using specialized cleaning agents or antimicrobial solutions.

Drying & Dehumidification

The affected area is dried thoroughly to eliminate excess moisture and prevent future mold growth. Dehumidifiers or other drying equipment may be used to achieve optimal moisture levels.

Repairs & Restoration

Any damaged building materials or components that were removed during the remediation process are repaired or replaced. This may include replacing drywall, carpeting, or insulation.

Preventative Measures

Recommendations and actions are taken to address the underlying cause of mold growth, such as fixing leaks, improving ventilation, or implementing moisture control measures to prevent future mold issues.

Mold remediation should be carried out by qualified professionals who have experience and knowledge in dealing with mold removal and the necessary safety precautions. They can ensure proper containment, effective removal, and appropriate remediation techniques to restore a mold-free environment.

How to Start Mold Remediation in Illinois

In Illinois, mold remediation is best performed by mold remediation professionals or companies such as the trained and experienced contractors of the Illinois Environmental Contractors Association (IECA). These professionals specialize in assessing, containing, removing, and remediating mold issues in residential, commercial, and public buildings.

To find a qualified mold remediation service in Illinois, look for the following:


Ensure that the mold remediation professionals or companies you consider are experienced in that type of removal and restoration, and preferably are a company licensed and experienced also to perform the remediation of regulated toxic substances.

Consultation and Quotes

Contact the selected mold remediation professionals or companies to schedule consultations and obtain quotes. During the consultation, discuss the scope of the mold remediation project, their methods, timeline, pricing, and any guarantees or warranties they provide.

Insurance Coverage

Ensure that mold remediation professionals or companies carry proper liability insurance coverage. This coverage protects you and your property in case of any unforeseen damages or accidents during the remediation process.

Finding qualified and reputable mold remediation professionals in Illinois who can effectively address your mold issues and provide proper remediation services is important. Be sure to verify all certifications and insurance information before starting any mold remediation projects.

Finding A Mold Remediation Contractor

IECA is a non-profit organization representing the highly regulated businesses that provide environmental remediation services in Chicago and the surrounding suburbs.

For more information on finding a local contractor to assist with mold information, remediation, or removal, or if you have general questions regarding environmental regulations, check the resources below:

Illinois Environmental Contractors Association Members

IECA Common Questions & Answers

Illinois Environmental Organizations & Related Agencies

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