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Water heater mold

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Recent Inspection Report Involving Failing Water Heater

Work #: 101067

Failing Water Heater

General Notes:

  • House had recently been vacated by renter. 
  • Carpets had been repeatedly cleaned by tenant in the most recent 6 months. 
  • House was clean and empty at time of inspection 

Living Room

  • Carpets recently cleaned.   Moisture content levels of carpet are at 16% or lower at time of inspection.
  • Walls and ceiling were scanned using a thermal imaging, infrared camera to determine any areas of temperature differential which would indicate moisture intrusion, missing insulation and/or other structural defects.   No areas of concern were noted.

Kitchen

Water Heater
  • No ventilation fan present over stove.
  • Gap was found behind kitchen sink on fastening band.  This can easily let splashed water drain under the sink into the cabinet below.
  • Some dark discolorations are present on bottom of sink basin.  This appears to be some minor mold staining possibly from condensation.
  • Minor mold growth noted on supply line hoses.  This could be a result of water seeping past seal around sink or due to condensation.
  • Open gaps and holes in the floor of the cabinet are drafty and may be allowing musty odor to enter the cabinet area.

Laundry Room

Mold from Failing Water Heater
  • Hot water tank is showing significant signs of corrosion in numerous locations.  This corrosion indicates a likely failure of the hot water tank in the near future.
  • Visible mold growth is present on the wallboard behind the hot water tank.  The mold growth appears to be minor at this time but should be removed and replaced due to heavy staining and water damage.
  • Visible mold growth appears to be a result of occasional leaking from around the base of the hot water tank.   No elevated moisture levels were noted in the wallboard or the flooring at the time of inspection.
  • Flooring under hot water tank is sinking under the weight of the hot water tank.  Recommend supporting the area under the hot water tank with additional construction materials.
  • No other areas of concern noted.

Hall Bath

  • Cracked / failing grout noticed around base of tub/shower surround.
  • No elevated moisture levels were detected behind the tiles.
  • Elevated moisture levels were noted around the base of the toilet.  This indicates a likely toilet seal (wax ring) failure. 

Upstairs

 

  • Walls and ceiling were scanned using a thermal imaging, infrared camera to determine any areas of temperature differential which would indicate moisture intrusion, missing insulation and/or other structural defects.  No areas of concern were noted.
  • No areas with elevated moisture levels or visible mold growth were noted at time of inspection.

RECOMMENDATIONS

  • Recommend replacing toilet seal in hall bathroom.  Once seal has been replaced, flooring under the toilet will eventually dry out.
  • Recommend regrouting / resealing around base of tub/shower surround.  Environix recommends using a Silicone II product that contains antimicrobial agents to resist staining.
  • Recommend resealing around kitchen sink to prevent moisture from leaking into sink cabinet below.
  • Recommend installing a ventilation fan over the kitchen range to remove excessive relative humidity from the kitchen when cooking.
  • Recommend replacing the hot water tank to prevent future leaking.
  • Recommend removal of mold/water damaged wallboard from behind hot water tank.  Client can encapsulate the mold/staining with an antimicrobial primer/sealer such as KILZ prior to removal. 
  • Recommend installing additional framing members under hot water tank and hall bathroom toilet to ensure floor is secure and sinking / settling does not continue.   Client may wish to have a building engineer investigate and make recommendations to prevent further settling of the building.
  • Water heater mold growth
    Mold growing on walls due to a water heater failure.