Larry Nissman
  • Port Chester, NY
  • United States
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Larry Nissman's Discussions

Strange IR Image

Started this discussion. Last reply by Bryan Gabriel yesterday. 4 Replies

Did an energy assessment…Continue

Foam insulation on attic floor

Started this discussion. Last reply by tedkidd Aug 11, 2016. 13 Replies

Continue

 

Larry Nissman's Page

Latest Activity

Bryan Gabriel replied to Larry Nissman's discussion Strange IR Image
"Is this a close up or broad view?"
yesterday
Jason Raddenbach replied to Larry Nissman's discussion Strange IR Image
"I think Sean is onto the answer. The blotchyness makes me think they may have used a spray can primer like "Killz" in a can to cover water damage or mold. If they shot it on there thick enough it could create a thermal difference. How did…"
Feb 16
John Nicholas replied to Larry Nissman's discussion Strange IR Image
"SW  exposure.  What is outside?  Was it sunny?  Trees?  Large Shrubs?   I have had the shade pattern show on an interior wall. You have a house with a Brick Facade.  That means you must consider the thermal…"
Feb 16
Sean Lintow Sr replied to Larry Nissman's discussion Strange IR Image
"Mold? Shoot I have a picture of a smiley face on a wall - reason it was sprayed with something & then painted over, but it was enough to create a thermal difference that can be caught via camera only"
Feb 16
Larry Nissman posted a discussion

Strange IR Image

Did an energy assessment today and captured this image of an exterior wall. I believe the wall is framed, with sheet rock and a brick facade. It is a 1929 vintage home, but I believe there have been renovations. This image is taken on the second floor and is on an exterior wall with a SW exposure. Any ideas as to this unusual…See More
Feb 13
Larry Nissman's discussion was featured
Sep 12, 2016
tedkidd replied to Larry Nissman's discussion Foam insulation on attic floor
"Larry, are they trying to assign blame? If so, it's a bit like blaming the foot for Colin cancer. If this was a prescriptive job and not a home performance job, you can't blame the insulation guy for the homeowners improper operation of…"
Aug 11, 2016
Wilfred Skillicorn Jr. replied to Larry Nissman's discussion Foam insulation on attic floor
"Yuck! I would check the basement or crawl space, check humidity levels and see what was under the foam. Also: Who did the work? Were they certified? how old was the Foam? Was the job inspected. What about that  Electric? Lot's of…"
Aug 11, 2016
Sean Lintow Sr replied to Larry Nissman's discussion Foam insulation on attic floor
"Long time no hear Bud & good points As for codes - yes it requires a barrier unless the foam meets certain requirements which isn't that big of an issue doing the attic floor as the drywall underneath counts & then you apply blown in…"
Aug 6, 2016
Bud Poll replied to Larry Nissman's discussion Foam insulation on attic floor
"You have a BD, that's good.  IR would add another star. @Larry "I would have to think they removed the existing insulation but you never know" Looking at their foam job I wouldn't expect they did a lot of cleaning up. I…"
Aug 5, 2016
Larry Nissman replied to Larry Nissman's discussion Foam insulation on attic floor
"I don't know what is under the foam, but probably just the floor deck. I would have to think they removed the existing insulation but you never know. I suspect that the moisture problems are emanating from a damp basement or crawlspace and are…"
Aug 5, 2016
Bud Poll replied to Larry Nissman's discussion Foam insulation on attic floor
"The contractor that did that should have his toys taken away. To answer your general question, applying rigid or spray foam to an attic floor would follow the normal rules of ensuring any surface that can come in contact with humid air must always…"
Aug 5, 2016
Larry Nissman replied to Larry Nissman's discussion Foam insulation on attic floor
"Hi Bud. This home is in the North East (NYC Suburbs). We are a mechanical contractor and were called in to do some work unrelated to building performance. The homeowner did complain that since the attic insulation they have been experiencing…"
Aug 5, 2016
Bud Poll replied to Larry Nissman's discussion Foam insulation on attic floor
"Hi Larry, what a mess.  Give us your climate zone so we know outside temp and humidity. Did you do a blower door test to see how tight the building is,  I'm wondering where else he might have used that foam? What is in the basement,…"
Aug 5, 2016
Sean Lintow Sr replied to Larry Nissman's discussion Foam insulation on attic floor
"The insulation job is quite simply a freaking eyesore & mess - with that it shouldn't be the issue where they are smelling mildew, getting bugs in, etc... (assuming you are talking about inside the house) - put your sleuthing hat on, find…"
Jul 30, 2016
Quinn Korzeniecki replied to Larry Nissman's discussion Foam insulation on attic floor
"I'll send you a message on here for more details. Keep an eye on your inbox!"
Jul 29, 2016

Profile Information

Company
Phoenix Mechanical
Professional Certification
BPI Heating, BA, Envelope
Website URL
http://www.phoenixny.com
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Phoenix Mechanical

Comment Wall (2 comments)

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At 10:53am on May 19, 2011, Michael Dunseith said…
Glad you could make it!
At 12:12pm on May 18, 2011, Diane Chojnowski said…

Hi Larry,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And add your location on our Member Map!


Thanks!
Diane, HEP Moderator

 
 
 

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Bryan Gabriel replied to Larry Nissman's discussion Strange IR Image
"Is this a close up or broad view?"
yesterday

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