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Old 01-11-2010, 09:10 AM
 
Location: NC
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I'm looking to beef up the blown-in insulation in my attic. Can anyone recommend a good company in N Raleigh?
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Old 09-06-2010, 09:14 AM
 
Location: Carolina Shores NC
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I'm looking the same. I'd also like to have all the old stuff removed first before putting down a fresh layer....if anybody can do that.
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Old 09-06-2010, 09:59 AM
 
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Hey RDU,

I recommend GreenServe Insulation. They just brought my attic up from R-19 to R-50 and added radiant barrier to combat the heat. Total cost was $950(they have coupons on their website for money off). But with my Progress Energy Rebate and Federal Tax Credit it will only cost me $500 in the end. Chris is a great guy as are his installers. They are out of Greensboro and i found them through Service Magic.
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Old 09-06-2010, 04:24 PM
 
Location: Holly Springs
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$950 for that work is a great price for the fiberglass/radiant combo. Radiant barrier can be relatively time consuming to install, and in difficult conditions as well.
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Old 09-06-2010, 05:57 PM
 
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FYI I read a report saying after R-30 radiant barriers had no real effect.

ETA: This was in FL where the a/c units weren't typically installed in attics like mine is (and ducting). So it might depending on where your ducts are.

Also thanks for the rec. I'll give them a call, by my calculations I was looking at around $500 to DIY up to R50, if I can get away with not much more to pay someone to do it professionally I will gladly pay the extra $$!!

Last edited by wheelsup; 09-06-2010 at 06:09 PM..
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Old 09-06-2010, 07:20 PM
 
Location: Morrisville
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For what it's worth, it doesn't matter if you have R-100. If it's not installed correctly it's not going to do what it is intended.

Check out the EPA's energy star website about air sealing and insulation (Air Seal and Insulate with ENERGY STAR : ENERGY STAR) about half the way down. They provide a DIY guide for proper insullation installation as well as recommendations for different climate areas. They suggest R38 for this area and only reccomend R50 in the "coldest of climates"

Also, the radiant barrier DOES make a difference. I am in the new home construction industry and have been in attics with and without the radiant barrier. The homes with it are on average 20 degrees cooler in the attic than homes without.

Hope this helps and good luck!
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Old 09-06-2010, 08:02 PM
 
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Quote:
Originally Posted by BiggJoe4181 View Post
Also, the radiant barrier DOES make a difference. I am in the new home construction industry and have been in attics with and without the radiant barrier. The homes with it are on average 20 degrees cooler in the attic than homes without.

Hope this helps and good luck!
Yeah it makes a difference but I think the point of the research paper is that with enough insulation the increased temps won't effect the living area.
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Old 09-06-2010, 08:40 PM
 
Location: Morrisville
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Quote:
Originally Posted by wheelsup View Post
Yeah it makes a difference but I think the point of the research paper is that with enough insulation the increased temps won't effect the living area.
True the radiant barrier has no effect on the insulation. I mis-understood.

It does however help keep the ambient air temprature in the attic cooler therefore allowing less heat loss via the air ducts.
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Old 09-06-2010, 08:52 PM
 
10,696 posts, read 20,119,835 times
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Quote:
Originally Posted by BiggJoe4181 View Post
True the radiant barrier has no effect on the insulation. I mis-understood.

It does however help keep the ambient air temprature in the attic cooler therefore allowing less heat loss via the air ducts.
Yep like I mentioned...
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Old 09-07-2010, 07:42 AM
 
Location: Atlanta
1,712 posts, read 1,984,653 times
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Check out SMITH'S INSULATION serving Raleigh, Rolesville, and Louisburg.
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