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Thermal Imaging, Infrared Cameras & Energy Audits Contains discussions about thermal imaging, infrared cameras, energy audits, and more.

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  #16  
Old 7/27/18, 7:40 PM
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Default Re: Found with thermal

I am so glad it started raining again! We went about 6 months after Irma with no significant rain. This one was a very slow roof leak that would have taken months or years to show itself.




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  #17  
Old 7/28/18, 3:24 PM
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Default Re: Found with thermal

Found with thermal-dscn2943-jpg

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  #18  
Old 7/30/18, 1:04 PM
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Default Re: Found with thermal

Quote:
Originally Posted by wcollier View Post
So, what was your conclusion here, and were you able to confirm it through other observations?




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  #19  
Old 8/2/18, 10:23 AM
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Default Re: Found with thermal

This thermal job lasted about two hours onsite but required 7 hours drive time to and from the job site. In my area this profession requires windshield time.


The thermal image is of two small fuses with the same amp draw on each leg thus the temp should be the same on both. The first digital is the location of the fuses the remaining digitals are some of the machine controls that were imaged.


This is where the money is in this profession. Waving a thermal camera around looking at walls and hand prints during a home inspection makes you no money.



If you are serious about this business buy professional cameras get professional training and make professional money.
Attached Thumbnails
Found with thermal-ir_22178-jpg   Found with thermal-dscn1292-jpg   Found with thermal-dscn1287-jpg   Found with thermal-dscn1299-jpg   Found with thermal-dscn1302-jpg  




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  #20  
Old 8/2/18, 2:23 PM
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Default Re: Found with thermal

Quote:
Originally Posted by ryoung7 View Post
Morning everyone.
Morning William.

Thank you for the discussion. Infrared, Hypothesis, analysis and conclusion.
May I recommend threads on each case as not to overlap inspectors discussions?
As well, a visual and infrared image for non infrared members to follow the hypotheses?

I was taken back by the word thermal trials. To the layperson, all the colored geometric shapes or otherwise, and their assigned palette colors, and blushes, may be defined as trails, or am I mistaken?
A buildings assembly is mostly a geometric pattern, persay. Would it be safe to consider a maped trail as being outside a geometric pattern? Please explain the term 'trail' if you do not mind.

Thanks in advance.
Robert,

Thanks for your input!

I can see your reasoning for posting these separately so each instance can stand alone without the overlapping that can occur. I created the thread on this subject to invite members to share what they are finding with their IR cameras, and it seems to be working well in that regard. Those interested in the subject can follow this thread rather than comb through multiple threads, and participation seems to be good despite the overlap problems. I am learning a lot, personally.

I agree wholeheartedly that IR images should be accompanied with standard photos to help viewers understand what they are looking at.

Regarding "trails", what I am trying to describe is what appears to be a path leading from one place to another, which I am seeing in insulated ceilings. Usually these are about 4 to 8 inches wide, suggesting an area where the insulation is either disturbed or absent, and running several feet. (see attached images). I doubt I would ever say, based on such an image, that there was definitely rodent activity in the attic, but I would be especially watchful for other signs when inspecting the attic.
Attached Thumbnails
Found with thermal-flir0136-jpg   Found with thermal-flir0136-photo-jpg  




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  #21  
Old 8/2/18, 3:56 PM
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Default Re: Found with thermal

@Charley,

Thanks for the contribution. Great example of the potential of the technology.

Here's one from earlier this week. I had a heads-up from the buyer as he had noticed a repair spot under the upstairs Master bath area. The seller had said it was from a tub overflow, but the buyer had his doubts.

I let the tub run a bit longer than normal and viewed the ceiling beneath about an hour later, revealing a small area cooler than the surrounding ceiling. Readings from my pen-type moisture meter indicated moisture levels twice that of the surrounding area. Because of the location, I said I was fairly certain that there was a leak at the bathtub drain.

I include a picture-in-picture photo for simplicity's sake. The ceiling showed no discoloration or other visible sign of moisture.

I can't imagine how I would have been able to find this without an IR camera.
Attached Thumbnails
Found with thermal-flir0049-jpg  




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  #22  
Old 8/2/18, 7:06 PM
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Default Re: Found with thermal

When I find confirmed moisture with IR and a moisture meter as in the first two images I always try to determine the source. The moisture was on the ceiling in a upstairs closet and when I entered the attic I saw the refrigerant lines above the closet and I though Ha, I have the source but I had not been on the roof yet and that was my next stop as I was not satisfied that the refrigerant lines could leak that much condensate. The digital pic is where the leak was from,tree limb damage and someone had cut the limbs back and did not repair the damaged shingles. If I had been on the roof first I would not have needed my IR its pretty obvious what was happening.
Attached Thumbnails
Found with thermal-ir_22141-jpg   Found with thermal-ir_22142-jpg   Found with thermal-dscn1163-jpg   Found with thermal-dscn1164-jpg   Found with thermal-dscn1169-jpg  




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  #23  
Old 8/2/18, 9:32 PM
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Default Re: Found with thermal

Inductive heating of non-energized components in on a 1,200 Amp bus. Not a big deal, but interesting.
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Found with thermal-junk-jpg  



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  #24  
Old 8/3/18, 10:49 AM
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Default Re: Found with thermal

Good stuff, Robert, thanks!

I have to admit, I'm having a little trouble making sense of what I think I am seeing. With outdoor ambient temps at 81 F and indoor at 75 F (less, I have been taught, than is necessary for accurate evaluation of temperature differentials), what is causing the cooling of the drywall? I could not be loss of heat to the exterior due to the higher external temps, so is it conditioned air from the second story, or some other source that I am not thinking of?

Also, how would you suggest this could be corrected?

Thanks for helping me understand this.




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  #25  
Old 8/3/18, 6:00 PM
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Default Re: Found with thermal

Quote:
Originally Posted by ryoung7 View Post
Accurate evaluation of temperature differentials >< 15 F if I am not mistaken. Good point. Been some time.

To be honest, I did not spend the time to do a HVAC evaluation. I was there for a EIFS inspection. The inspection was based upon a past client, retired home inspector, and his misinterpretation of EIFS assembly. A supposed PM Class EIFS was actually PB Classification.
Properly installed EPS on plywood substrate. Plywood back with tentest, compressed organic mulch board sprayed with bitumen oil,and EPS.
Attachment 202914
Great thermal protection. I could barely see the round nylon ESP retention rings with my camera that day. Showed up great on the software
Attachment 202915
Everything after the surface EPS, the mesh, base and finish coat was poorly installed. Bottom EIFS wall trim base and finish coat were missing.
Attachment 202918

Wonderful individual. Very challenging client. Wanted to know everything. I let her know as much as I could.

To be honest, William, I hesitated, and then avoided moving forward about the thermal image in question.

Hypothesis: HVAC ductwork supply, flex duct, between the floor joist and band joist. There are issues with the ducting. Or at least that is how it appears to me.
You can see the joists have been bridged with furring for the ceiling drywall. Very common in rural settings in my neck of the woods.
Attachment 202917

Condition: Compromised ductwork. The owner complained about low air flow to the second floor. Circular ceiling ducts in the mother apartment in the basement were closed and the space was cool. Cooling to the second floor was minimal. 2.5 ton equipment. Could maker snow if I lowered the temp

HVAC assessment would involve 2 to 3+ hours. Likely duck work related Willam. I have all the equipment. I use to to HVAC systems. Not interested any longer.

Thanks for the discussion.
I got to be honest...I have not seen this much hot air in a long time.



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  #26  
Old 8/3/18, 6:32 PM
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Default Re: Found with thermal

Lets play what is it, I saw this today and it looked strange so I captured the images just for giggles tell me what it is???????
Attached Thumbnails
Found with thermal-ir_22227-jpg   Found with thermal-ir_22228-jpg  



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  #27  
Old 8/3/18, 6:37 PM
Dominic DAgostino, CMI HI3957 Dominic DAgostino, CMI HI3957 is offline
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Default Re: Found with thermal

Toilet tank.



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  #28  
Old 8/3/18, 6:56 PM
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Default Re: Found with thermal

Bradley Toye, thanks for your input.

I make mistakes. As I bet you do.

Thanks for trying William Ogletree. I guess its just another thread to avoid.



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  #29  
Old 8/3/18, 8:16 PM
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Default Re: Found with thermal

Quote:
Originally Posted by ddagostino View Post
Toilet tank.

That is correct I don't normally see a tank with water in it warmer than it's surroundings and it had been flushed several times. The lines down the side are reflections.



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  #30  
Old 8/3/18, 9:51 PM
Dominic DAgostino, CMI HI3957 Dominic DAgostino, CMI HI3957 is offline
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Default Re: Found with thermal

Quote:
Originally Posted by cbottger View Post
That is correct I don't normally see a tank with water in it warmer than it's surroundings and it had been flushed several times.
Around here in the afternoon our tap water is hot enough to brew tea, especially if the home has been re-plumbed (pipes in the attic).



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