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03-16-2011, 10:54 AM
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#1
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Chicago, IL
Join Date: Jan 2008
Location: Chicago, IL
Posts: 1,037
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Assistance with identification
Beam in unheated crawl space in Chicago, pipe is hot water to baseboard system, this material was not present elsewhere. Sorry, do not have better pictures.
What am I looking at?
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Home Inspections, Infrared (Thermal Imaging) Leak Identification and Inspection Services, Roof, Attic, Building, Basement and Foundation Moisture Intrusion and Water Leak Inspections, Troubled Building Consultations - Serving Chicago and Suburbs
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03-16-2011, 01:52 PM
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#2
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Member
Join Date: Jul 2010
Posts: 1,545
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Assistance with identification
Wondering if it is possibly where the apprentice happened to get his first opportunity to actually solder some pipe in the field?
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03-16-2011, 02:37 PM
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#3
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Chicago, IL
Join Date: Jan 2008
Location: Chicago, IL
Posts: 1,037
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Assistance with identification
Don't see any scorching...
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Home Inspections, Infrared (Thermal Imaging) Leak Identification and Inspection Services, Roof, Attic, Building, Basement and Foundation Moisture Intrusion and Water Leak Inspections, Troubled Building Consultations - Serving Chicago and Suburbs
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03-16-2011, 10:13 PM
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#4
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Chicago, IL
Join Date: Jan 2008
Location: Chicago, IL
Posts: 1,037
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Assistance with identification
No one knows?
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Home Inspections, Infrared (Thermal Imaging) Leak Identification and Inspection Services, Roof, Attic, Building, Basement and Foundation Moisture Intrusion and Water Leak Inspections, Troubled Building Consultations - Serving Chicago and Suburbs
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03-19-2011, 10:46 AM
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#5
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pest control operator
Join Date: Jun 2010
Location: Pennsylvania
Posts: 425
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Assistance with identification
It appears to be sticking to the wood as opposed to being loose and easily brushed off (not scraped). Is this so? If so, this would rule out ant frass, but could still be cockroach fecal material, which is sticky. However, my gut feeling is that this is not insect/rodent related, especially since you are not finding evidence elsewhere.
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03-19-2011, 11:05 AM
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#6
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You talking to me?
Join Date: Dec 2007
Location: sw mi
Posts: 5,407
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Assistance with identification
In the pic on the left, if you look at about 07:30 about an inch from the pipe, it appears to be a couple droplets of solder (silver). I see similar droplets in a couple other places as well. I suspect that is simply the burns from solder droplets, solder itself, or flux.
that is, unless you know of a bug that poops silver solder looking stuff.
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