mold growth Articles

  • Mold, Mold Growth and Buildings

    Concern about mold exposures in buildings continues to be a significant issue. The bottom line is that mold has been around for eons and is not going away.  It will grow whenever and wherever buildings get wet and materials suitable for mold growth are present.  The following paragraphs are meant to shed light on mold issues related to microbiology, health and safety, moisture control, ...

  • Controlling Mold Growth in Buildings Prevention and Control Strategies

      In background quantities, molds can be found everywhere-in air, water, our homes, our clothing and even on our pets. They are present in such small numbers that they don"t trigger reactions in humans, except in ultra-sensitive individuals. But, when molds find the right combination of ...

  • Mold Growth on Gypsum Wallboard—A Summary of Three Techniques

    Reducing occupant exposure to mold growing on damp gypsum wallboard and controlling mold contamination in the indoor environment was studied through 1) delineation of environmental conditions required to promote and avoid mold growth and 2) efficacy testing of antimicrobial products, specifically cleaners and paints, on gypsum wallboard (GWB) surfaces. The effects of moisture and relative ...

  • Efficacy of “Green” Cleaning Products with Respect To Common Respiratory Viruses and Mold Growth

    Some disinfectants have been demonstrated to be effective against surface mold growth and/or viruses responsible for the spread of common respiratory infections. Antimicrobial efficacy of green cleaning products has generally not been established in these areas. In this survey, the author found that out of 27 products approved by Green Seal as hard surface cleaners, 26 do not claim antimicrobial ...

  • Mold! mold! its everywhere! ...so what!

      Ubiquitous is my big word for the week.  Webster"s definition is “existing or being everywhere at the same time:  constantly encountered.” This describes the situation with molds.  They don"t magically appear or re-incarnate when conditions are right.  They ...

  • Control water – control mold

    There is no single universal way to eliminate all mold growth.  But the single most effective method of controlling mold is to eliminate their source of moisture.  Moisture doesn’t just mean actual water; it can also be high humidity.  Few molds grow when the humidity is under 70%.  If they do, it is very ...

  • After the flood - preventing mold

    Beyond the direct water damage from a flood, there can be short term and long term problems with mold growth, whether the building is commercial or residential. The source of the water is the first important issue. Consider the following: 1.) If the flood is from surface water flooding such as heavy rains, hurricanes, and overflowing rivers this means dirt and debris. This ...

  • Mold Prevention Training

    Mold –It’s All About Water! How is mold controlled on a construction project? By controlling water intrusion – that’s the answer! Mold has been around for a long time, and has always been a challenge on construction projects. However, with new construction materials being even more mold susceptible, and record-breaking lawsuits for exposure to mold growing, it is now more important than ever ...

  • Controlling condensation- controlling mold

    You know those water stains on the ceiling tiles in your office that you are certain are caused by a leaky roof. Of course, the maintenance man thinks your crazy, since your office is not on the top floor. He dutifully changes the ceiling tile and a month later the water stain is back but this time it has those little black circles that look like mold colonies. Sound familiar? There seems to be ...

  • Controlling condensation - controlling mold

    You know those water stains on the ceiling tiles in your office that you are certain are caused by a leaky roof.  Of course, the maintenance man thinks your crazy, since your office is not on the top floor.  He dutifully changes the ceiling tile and a month later the water stain is back but this time it has those little black circles that look like mold colonies. Sound familiar? There ...

  • Mold! Hazard or Hoax?

      Let me address the two issues in reverse order.  The Hoax The biggest hoax is the hysteria over the notorious black mold that grows on sheetrock.  This black mold is formally known as Stachybotrys chartarum or Stachybotrys atra.  The horror stories ...

  • Control water – control mold

    There is no single universal way to eliminate all mold growth. But the single most effective method of controlling mold is to eliminate their source of moisture. Moisture doesn’t just mean actual water; it can also be high humidity. Few molds grow when the humidity is under 70%. If they do, it is very slowly. It is safe to say that you cannot stop mold growth until you stop the moisture. ...

  • Beware of buying a home with MOLD!

    I have been performing home inspection for 18 years and I found that sellers will paint over existing water stains on walls to hide them from buyers. I do nondestructive moisture readings on all exterior walls in house, my meter will ring when there above normal moisture trapped in wall, when the meter rings I then proceed to investigate the exterior of house to find the cause of the moisture ...


  • Mold and chronic sinusitis

    Do you suffer from frequent sinus headaches, congestion and runny nose? Have you taken enough cold and allergy medication to qualify for “frequent flier” awards? You may not have a persistent cold or allergies. Researchers at the Mayo Clinic have discovered what may be the real cause of most chronic sinus conditions: MOLD! An estimated 37 million Americans suffer from chronic sinusitis, and the ...

  • Florida Engineering Society - Mold Article - Understanding Mold in the Indoor Environment

    Untitled Document We can solve the mold problem. Understanding the basic ecology of fungi will lead us down the correct path. Yes, it will take some effort to change the way ...


    By EMSL Analytical, Inc.

  • Where does mold come from?

    Molds are among the earliest known life-forms; they are found in all parts of the world, including Antarctica (“Scientists Tackle Antarctica Mold,” Peter Rejcek, editor, Antarctica Sun, February 4, 2007). They do not have mouths or digestive tracts. Instead, they release digestive enzymes that break down paper, fruits, leaves, shoe leather, bacon or anything else they have landed on ...

  • Mold Remediation Guidance For Indoor Environment

    Remediation contractors are generally very conscientious, trying hard to bring each project to a condition where it will pass “clearance  testing” (the  Post-Remediation  Verification  [PRV] inspection) on the first try. Sometimes the cleaning attempts are unsuccessful. This will certainly cost the contractor additional cleaning ...

  • Mold and the Re-use of Demolition Materials

    The presence of mold during construction, occupancy,or demolition of a building can have significant effects on a project’s cost, timing, and public perception. Mold is a type of fungus and is included in the same family as yeasts and mushrooms. Molds are naturally occurring microscopic organisms that are most often associated with damp, musty spaces like bathrooms, basements, and attics. Mold ...

  • Top 7 Causes of Mold in Commercial Properties

    Mold growth within commercial buildings is a common concern for building occupants, as it has been linked to a number of health effects and can be found lurking within the walls and within ventilation systems, oftentimes going undetected for long periods of time. Here are the top seven causes of mold in commercial properties and what you need to know to prevent them. Improper Operation and ...


    By Karl & Associates Inc.

  • The case of the flooded carpet - aggressive action to prevent mold

    One of the worst sensations a homeowner can experience is the “squishy” sound and feel of walking on a flooded carpet. In most cases, a water–soaked carpet is a goner. This is especially so if the water came from a flooded stream or a massive storm. These waters carry silt, and possibly sewage from flooded septic systems or overflowing sewage treatment plants. Water that has ...

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