Mold Prevention Tips

Mold Tips For Homeowners

  1. Dry wet or damp materials quickly--24-48 hours after a leak or spill.
  2. Keep indoor humidity low—ideally, between 30 and 50% relative humidity.
  3. 4. Use air conditioners and dehumidifiers
  4. Increase ventilation
  5. Use exhaust fans whenever cooking, dishwashing, cleaning and bathing
  6. Clean and repair roof gutters regularly
  7. Keep air conditioning drip pans clean; maintain proper flow in drain lines.
  8. Prevent leakage around windows and doors.
  9. Add insulation around windows, piping, exterior walls, roof or floors to reduce potential for condensation.

Renters

  1. Report all plumbing leaks and moisture problems immediately to your building owner, manager, or superintendent. In cases where persistent water are not addressed, contact local, state or federal housing authorities.

Facility Managers (Adapted from Todays Facility Manager)

  1. Train staff to be on guard for signs of uncorrected moisture—stained ceiling tiles, staining on or around supply diffusers, water near air handling units and HVAC systems, stained carpeting and water stains under or near windows.
  2. Develop a water damage response plan and standard operating procedure for the prevention and mitigation of moisture and other potential indoor air quality concerns. Include a mold communications procedure in the plan.
  3. Inspect all HVAC and air-handling units on a fixed schedule to ensure condensate pans are not overflowing and no condensate is released into drop ceiling tile, insulation or other building surfaces.
  4. Inspect HVAC ductwork periodically for signs of moisture, damage or mold growth.
  5. Dry all water spills and leaks immediately and thoroughly. With major leaks (such as a water line break), retain a qualified and competent drying contractor immediately.
  6. Wet ceiling tiles, drywall, spray-on insulation and fiberboard ductwork are usually difficult to dry and are often disposed of after a major water leak. Carpeting can sometimes be saved—but only if it is dried quickly, usually in 24-48 hours.

Builders (Adapted from housingzone.com)

  1. Use quality building products, especially when dealing with siding, shingles, windows and pipes.
  2. Carefully install roofs and windows, ensuring they are properly flashed.
  3. Ensure that lumber and drywall are dry during installation.
  4. Add insulation around cold surfaces to reduce the possibility of condensation.
  5. Ensure that rainwater drains away from the building through downspouts and proper landscaping.
  6. Provide ample and properly sized venting fans in kitchens, bathrooms and laundry rooms.
  7. Position hot air registers so they don’t force air onto exterior walls, creating condensation.
  8. Avoid using vinyl wallpapers in high-moisture areas, as they can create a de facto vapor barrier, trapping moisture in the wall.
  9. Maintain appropriate air movement and temperature range during renovation, even if the home is vacant, to keep mold from becoming established. 

Realtors (Adapted from the National Association of Realtors)

  1. Follow existing requirements of state law relating to latent defects and disclosure, including any particular requirements and standards of care set forth by state licensing authorities.
  2. Identify publications of the state or local departments of health or other appropriate agencies that explain the mold issue. Provide these public education booklets as a service to clients and customers.
  3. If a visual inspection reveals conditions indicative of a mold problem (water stains, musty odors, leaky roofs or windows, plumbing leaks, sink/sewer overflows, visible mold growth), licensees should not speculate on the presence or likely development of mold. Instead, they should advise buyers—in writing—to contact a qualified expert to inspect the property, determine the nature of the problems and learn about remediation options.
  4. Encourage sellers to disclose any actual knowledge they may have of mold problems on their properties, subject to any state disclosure requirements.

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