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04-12-2007, 07:42 AM
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Is this mold?
Is the white powdery residue in this photo mold? No moisture was present at time of inspection.
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04-12-2007, 07:45 AM
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Member
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Join Date: Mar 2007
Location: Spring Hill (Nashville), TN
Posts: 1,681
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Re: Is this mold?
Don't know. I would say it is a leak of some type. It looks like efflorescence, possible from a sink, toilet, tub, washing machine, etc. Salts/minerals from water.
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04-12-2007, 07:48 AM
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Re: Is this mold?
Thank you Scott
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04-12-2007, 02:56 PM
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Join Date: Mar 2007
Location: Ormond Beach, Florida
Posts: 7,091
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Re: Is this mold?
Mold?
Well, *it is* "fungi".
And "mold" is "fungi".
But I would not want to go start chasing that "mold" dog down.
That "fungi" (it is a "fungus") is likely damaging the wood, did you jab your screw drive into the wood?
If the wood is soft and damaged, then it is a 'structural' problem/
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04-12-2007, 04:36 PM
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Join Date: Mar 2007
Location: Spring City/Surrounding Philadelphia area
Posts: 738
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Re: Is this mold?
How did it taste?
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04-15-2007, 06:32 AM
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Join Date: Mar 2007
Location: Land of Gar, TX
Posts: 392
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Re: Is this mold?
"If the wood is soft and damaged, then it is a 'structural' problem/"
The problem was present befor it got wet, NO joist hanger present.
__________________
badair http://www.adairinspection.com Garland, TX 75042
Residential-Commercial-Construction-EIFS-Infrared Thermography
life is the random lottery of events followed by numerous narrow escapes
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04-23-2008, 09:34 AM
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Join Date: Mar 2007
Location: Simi Valley, California
Posts: 35
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Re: Is this mold?
Ron - Were you able to isolate where the water source was coming from.
I don't believe that the white power is mold I think that Scot has aim on what your seeing. Although the darker sections maybe supporting some dormant fungal activity especially if the woods moisture level is as your indicating dry 12% and below.
The water source may have had something in it that has left the white residue or crystals (salt?)
It appears very different than the plaster residue that we see on the subfloor framing on older homes.
Regards
Greg D. Dames
National ThermoGraphic Inspections
Pacific Mold Assessment
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04-23-2008, 01:35 PM
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Join Date: Mar 2007
Location: Santa Rosa, CA
Posts: 649
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Re: Is this mold?
Ron,
Is there tile above? Might be minerals like Scott said.
__________________
The apostrophe troll.
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04-23-2008, 02:02 PM
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Join Date: Mar 2008
Location: Healdsburg Ca
Posts: 583
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Re: Is this mold?
Looks like a past water stain from a shower or bath room.
What is the location?
Best
Ron
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04-23-2008, 08:33 PM
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Join Date: Feb 2008
Location: Caledon, Ontario
Posts: 413
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Re: Is this mold?
Without testing who knows?
These stains could be the result of the leak causing break down of the glues in the plywood.
__________________
The value of experience is not in seeing much, but in seeing wisely. - Sir William Osler 1905
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04-24-2008, 04:46 AM
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Join Date: Feb 2008
Location: New York
Posts: 56
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Re: Is this mold?
Ditto post #4.
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04-24-2008, 08:01 PM
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Join Date: Feb 2008
Location: Chicago IL
Posts: 416
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Re: Is this mold?
Without testing no one knows for sure.
Beyond that, the picture is very typical of plywood that has been soaked with water, dried and re-soaked repeatedly over time. I've seen this often.
What it is isn't as important as noting the damage and possible consequences in your report.
Good luck.
__________________
Accurate Inspections & Consulting, Inc.
847/736-9975
Markus Keller
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