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Structural Inspections Contains discussions about the structural portion of a home inspection. This includes foundations, framing, etc.

 
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  #1  
Old 10/12/09, 11:49 PM
Joe Funderburk, CMI's Avatar
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Default Sub-floor structure and insulation covered

Why would someone install plywood in some areas and some sort of thermal reflective barrier in other areas of the sub-floor of a crawl space? There were some openings from which I could confirm the presence of fiberglass batt insulation. This is totally unorthodox in this area of the country and I don't like it because it conceals the structure from inspection for possible defects. Other than that, is there a downside to having it installed? Would you recommend its removal?

sub-floor-structure-and-insulation-covered-101209-176.jpg sub-floor-structure-and-insulation-covered-101209-177.jpg



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  #2  
Old 10/13/09, 8:19 PM
Marcel R. Cyr's Avatar
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Default Re: Sub-floor structure and insulation covered

Here Joe if it helps.

http://www.we-intl.com/pdf/crawlspace.pdf

http://www.fifoil.com/Builders/Appli...ionInfo/?ID=10

http://www.buyfoilinsulation.com/cra...ation-c-4.html

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  #3  
Old 10/13/09, 10:34 PM
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Default Re: Sub-floor structure and insulation covered

So, Marcel, you're fine with it?



“The things that will destroy America are peace at any price,
prosperity at any cost, safety first instead of duty first,
the love of soft living, and the get-rich-quick theory of life.”
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Joe Funderburk, CMI
Alpha & Omega Home Inspections, LLC
Inspecting Upstate SC & Charlotte Metro, NC
NACHI ID: NACHI05120170
www.aohomeinspection.com


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  #4  
Old 10/13/09, 10:45 PM
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Default Re: Sub-floor structure and insulation covered

Quote:
Originally Posted by jfunderburk View Post
Why would someone install plywood in some areas and some sort of thermal reflective barrier in other areas of the sub-floor of a crawl space? There were some openings from which I could confirm the presence of fiberglass batt insulation. This is totally unorthodox in this area of the country and I don't like it because it conceals the structure from inspection for possible defects. Other than that, is there a downside to having it installed? Would you recommend its removal?

Attachment 32578 Attachment 32579
Hi Joe,

Looks like a waste of the "Product" if in fact it works like they claim....I see it once in a while here in AZ (attics)....supposed to "Reflect Heat"....my IR Thermometer seems to beg to differ with the product data information---
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  #5  
Old 10/14/09, 12:07 AM
Paul Pendley Paul Pendley is offline
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Default Re: Sub-floor structure and insulation covered

Why is the one joist painted gray? That would suggest that it was fire damaged. Unless of course my eyes are playing tricks on me again.



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  #6  
Old 10/14/09, 10:02 AM
Joe Funderburk, CMI's Avatar
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Default Re: Sub-floor structure and insulation covered

I didn't actually inspect this house. I was there < 5 minutes looking at it generally for a past client. I didn't notice the gray beam.



“The things that will destroy America are peace at any price,
prosperity at any cost, safety first instead of duty first,
the love of soft living, and the get-rich-quick theory of life.”
Theodore Roosevelt


Joe Funderburk, CMI
Alpha & Omega Home Inspections, LLC
Inspecting Upstate SC & Charlotte Metro, NC
NACHI ID: NACHI05120170
www.aohomeinspection.com


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  #7  
Old 10/14/09, 1:12 PM
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Default Re: Sub-floor structure and insulation covered

I do not think lack of viewing pleasure is enough to recommend removal any more than I would suggest taking down all the drywall in a finished basement.
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  #8  
Old 10/14/09, 6:10 PM
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Marcel R. Cyr Marcel R. Cyr is offline
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Default Re: Sub-floor structure and insulation covered

Quote:
Originally Posted by jfunderburk View Post
So, Marcel, you're fine with it?
Joe, I don't really see anything wrong with it, but sure there might be pros and cons in Building science in doing it that way.
It could depend on the surrounding conditions also to establish if it could be a problem or not.
I have seen it occaissionally up here. It is a vapor retarder as well as an insulator.
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