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Mold Inspection Reports from Renton

Below are recent mold inspection projects we’ve completed in the Renton area.  These reports can help provide you with an idea of the issues we typically encounter in your region.

Project Type > Inspection Report for Mold on Windows and Walls

PROJECT SUMMARY

REASON FOR INSPECTION:

  • Tenant is complaining of mold growth on windows and walls. Environix hired to inspect the unit for mold/moisture issues and provide recommendations where needed.

PROPERTY DESCRIPTION:

  • This 1 story condominium residence is part of a multi-family housing structure built in 1976 and is 787 ft².

 LABORATORY RESULTS

Lab Results 8

ANALYSIS OF YOUR RESULTS:

  • Extreme Amplification: Mold spores were detected at levels many times greater than the threshold, indicating a site of high mold amplification and growth.  Please refer to the attached report for more detailed information.

The most likely contributor of the elevated mold spores is:

  • Elevated humidity from insufficient ventilation and inadequate heating.
  • Recent water intrusion under the kitchen sink.

Recommendations:

  • Due to the extremely high level of mold spores in your home, immediate action is necessary.

JOBSITE PHOTOS

Air sample collection method

Air sample collection method

Condensation on bedroom 1 window and window frame

Condensation on bedroom 1 window and window frame

Window sill has been absorbing condensation and is now wet.

Window sill has been absorbing condensation and is now wet.

Mold growth on bedroom 1 baseboard along exterior wall

Mold growth on bedroom 1 baseboard along exterior wall

No mold observed behind baseboard

No mold observed behind baseboard

Baseboard has become wet from absorbing condensation

Baseboard has become wet from absorbing condensation

Poor ventilation in unit is causing humidity and CO2 levels to become elevated.

Poor ventilation in unit is causing humidity and CO2 levels to become elevated.

Water/mold found on kitchen cabinet floor. Cabinet wall is swollen from water damage.

Water/mold found on kitchen cabinet floor. Cabinet wall is swollen from water damage.

RELATIVE HUMIDITY & TEMPERATURE READINGS:

Lab Results 9

CO2 READINGS:

CO2 Readings

LOCATION:  Hall Bathroom

Observations:

  • No exterior walls or windows are located within this bathroom. Therefore, no surfaces in this room are cold enough to allow the very humid air in the residence to condense here and result in mold growth.
  • The fan in this bathroom is a low quality and inefficient to exhaust the humid air in the home. As the home has recently had the windows upgraded to double paned vinyl framed windows that are very airtight, the increased ventilation is more necessary than before.
  • A thorough inspection of this bathroom revealed it is free of any visible mold, elevated moisture, or evidence of water intrusion.
  • The areas around the plumbing lines and fixtures in this bathroom are free of evidence of leaks.

SHOWER:

  • Grout and caulking is in good condition and shows no signs of recent water intrusion.

Recommendations:

  • See ventilation section above for recommendations to eliminate condensation and lower relative humidity.

LOCATION:  Bedroom

Observations:

  • The thermostat in this bedroom was set to 0ºF. The home is insufficiently heated, which leads to high humidity and condensation forming on the cold surfaces of the home, encouraging mold growth.
  • The room is equipped with double paned vinyl framed windows with current evidence of moderate condensation and light mold growth.
  • Heavy mold growth observed on the wall. Elevated moisture detected in the baseboard trim and window sill. The source of this moisture is condensation from the humid air, dripping down the walls and onto the baseboard trim and windowsill.
  • The baseboard trim was pulled away from the wall, and no mold was present behind the trim.
  • The room is furnished with carpet in average condition. The carpet was pulled back for inspection, revealing no water staining or mold issues with the carpet pad or tack strip. This indicates the issues in this room are not related to a water intrusion.
  • The mold growth in this room is all the result of high humidity, insufficient heat, and inadequate ventilation.

Recommendations:

  • Keep contents and furniture a minimum of 2-3 inches away from exterior walls to help prevent mold growth on these surfaces.
  • Professional mold remediation is necessary to properly address the existing mold growth and to prevent cross contamination. During remediation, HEPA filtration, negative air pressurization and proper personal protective equipment must be utilized. Please see included pricing.

 LOCATION:  Bedroom With Laundry

Observations:

  • An indoor air quality sample collected in this room revealed extremely amplified levels of airborne mold spores.
  • The room is equipped with double paned vinyl framed windows with current evidence of heavy condensation.
  • Elevated moisture was detected in the windowsill. This is the result of the condensation dripping down onto the sill.
  • This room has a wall heater which is blocked off by contents. A portable heater is also present in this room, which was not turned on time of inspection. This room is effectively unheated. This is contributing to the condensation and mold issues.
  • The dryer in this room is ducted out properly.

Recommendations:

  • Due to the extremely amplified level of airborne mold in this room, the room is unfit for occupancy at this time.

LOCATION:  Kitchen

Observations:

  • The kitchen skylight shows current evidence of heavy condensation and light mold growth.
  • The cabinet floor under the sink has elevated moisture. A small sink leak is present from the water line supplying the sink. The cabinet floor and the walls under the cabinet are water damaged. Cabinet walls are swollen from water damage.  
  • Mold growth observed on the drywall under the sink. These materials are saturated.    

Recommendations:

  • The cabinets and counter top should be saved and cleaned.

LOCATION:  Living Room

Observations:

  • The living room is furnished with carpeting in average condition.
  • The living room windows are double paned vinyl framed. The upper windows have current evidence of heavy condensation and heavy mold growth. The lower windows have heavy condensation. The warm humid air in the home is rising to the higher windows and causing additional issues there.
  • A thorough inspection of this room revealed it is free of elevated moisture or evidence of water intrusion.