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Old 12-31-2008, 05:42 PM   #31
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Attic Insulation - Current R Value?


You're right, the batts were sticking out into the soffits a little bit. The end of each batt was discolored too. In the first bay I did, I didn't cut the end of the batt off and when I put it back in place once the baffle was stapled in, the batt was too long and buckled a little so that it wasn't laying flat in-between the bays. So I started cutting the end off of each batt and once I layed them back in place, I used the piece that was cut off to push it down in-between the top plate and the baffle. It worked out pretty well, I think and hope. Except that now I'm worried that it might be compressed a little too much under the baffle because I couldn't reach in there with my hand so I was using a couple pieces of rigid wet/dry vac hoses to push it in there.

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We used an infrared thermometer to measure the walls, glass, and ceiling and found out where the big heat losses were going.
Is there a place where I can rent an infrared thermometer, or is that something that only an hvac guy would have?

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There's also a new superinsulator product which still hasn't hit the general market yet call "Areogel" made of 99.8% air. Do a search and check out the pics.
Very interesting. It looks like something you'd see in a science fiction movie. Some day when people remodel their houses and find the pink stuff in the walls, they'll look at it and say, "this stuff wasn't even effective, what were they thinking?" just like we would say if we found straw in the walls of an old house.

Jamie, I was just wondering, for no particular reason, if the ivy growing on your house every grows up under the siding or under the roof.

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It is amazing once you get working on some projects how you quickly find many more projects that need to get done because the first project is either dependent on them being done or you have discovered problems you were not aware of.
Truer words have never been spoken. And with each new discovery comes a sudden wave of .... and a 'quick' trip to the hardware store.
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Old 12-31-2008, 06:30 PM   #32
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Attic Insulation - Current R Value?


Just purchased an infrared therm. from Sears. $60. on sale. It is pretty cool. I was able to measure all my walls and ceilings and saw where my deficiencies are.
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Old 12-31-2008, 10:54 PM   #33
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Attic Insulation - Current R Value?


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Just purchased an infrared therm. from Sears. $60. on sale. It is pretty cool. I was able to measure all my walls and ceilings and saw where my deficiencies are.
What was the temp diff between inside and out? How obvious was it where the deficiencies were? Did you see major shifts in temperature all around the room or only when you hit things like edges of windows and doors?

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Old 01-01-2009, 09:02 AM   #34
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Attic Insulation - Current R Value?


When I said deficiencies, what I meant was a difference of several degrees on let's say two sections of the wall. Could just be where a stud was or maybe where the insulation was no so tight. Of sourse, when I aimed at a window, I saw a difference vs. an insulated wall. As I recall the wal would be like 64 and the window would be 55.

Overall, it doesn't appear that I have any major insulation gaps to speak of. I also use the gun to see what temps I get from my registers during different stages of my heat pump operation.
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Old 01-01-2009, 09:19 AM   #35
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Attic Insulation - Current R Value?


I have borrowed a temp scanner with digital readout and found it great. Thinking of getting one for myself. The one mentioned above refers to infra red. I have seen photos of these giving a multi color internal image of the wall. Is this what Sears has for $60 and can I serach it as a Craftsman tool. Any model info or brand feed back would be appreciated.
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Old 01-01-2009, 09:35 AM   #36
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Attic Insulation - Current R Value?


What you are refering to is a thermal imaging gun, costs several grand. What I have is a Crafstman Infrared gun # 50466. Like I said, I got it on sale for $59. I believe the regular price is $79.
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Old 01-01-2009, 10:23 AM   #37
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Attic Insulation - Current R Value?


Not to get off-subject, but you can also use the infrared thermometer on cars as well.
-Check each exhaust header to see if all cylinders are burning equally hot(or at all).
-Check coolant is circulating
-Check before/after catalytic converter to see if its burning up those extra gas vapors.

Last edited by Stillwerkin; 01-01-2009 at 10:36 AM.
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Old 01-01-2009, 11:03 AM   #38
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Attic Insulation - Current R Value?


IR temp guns are VERY useful. How hot is the soup? Yeah I could use a thermometer... but how much cooler is aiming a gun at it? haha.

This is a very interesting idea, I had one years ago that was absconded with by an ex-employee. Seems like another reason to buy another one.

Great thread!

Evan
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