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Old 01-19-2008, 06:35 PM   #16
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Icynene Insulation vs Fiber glass insulation


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Originally Posted by the roofing god View Post
THE POINT REMAINS,WHAT i HAVE HEARD(AND SEEN ON WARRANTY FORMS) IS THE MANUFACTURER WILL NOT HONOR YOUR WARRANTY WITH OUT,AT MINIMUM,A 1/2" AIRSPACE FOR PROPER VENTILATION TO ALLOW FOR A BALANCED VENTILATION SYSTEM,I fully am a fan of foam used for insulation,and know experts in that field,but the fact remains that you need that airspace to qualify a manufacturers warranty,and that was the point that was raised here---I don`t know about you,and definitely no insult intended,but I would rather have the mfgr`s warranty from a national company,than one from a small outfit that typically only warranties their materials installed and not the materials adversely affected .
Curious how you maintain that 1/2 inch space. I am a builder in Florida and I just had Icynene sprayed in a model I am building. The cost factor over blown in was 140% higher, 100% vs Batt, but we are using ICF and wanted the highest possible R factor and effiency we could get. Icynene is also really getting noticed and will be a selling feature IMHO. My contractor did a great job and was priced right as you can see above. The city building dept as well as the E--calc program was not kind to the Icynene but they are always year behind the curve. As for shingle damage, I don't buy that for a minute. Thats just the manufaturers bailing out on new technology...besides did you ever consider that they also make the insulation? They are biased for sure. So don't buy that for a minute. There are other benefits with spray foam but I don't want to come off like a salesman. Good luck!

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Old 01-19-2008, 09:37 PM   #17
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Icynene Insulation vs Fiber glass insulation


again the point of which shingle manufacturer will back the shingle product when it`s installed in a full cavity installation,,and BTW-I have seen roof failures from rafterspaces packed tight with fiberglass---as I have said I am a fan of the foam,but won`t use it that way without the shingle mfgr backing their product in that situation-so far no ones given me a mfgr`s name that would(this was the original point to my response)
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Old 01-25-2008, 06:18 PM   #18
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Icynene Insulation vs Fiber glass insulation


I just received my Icynene quote for my 5000 sq ft house in Cleveland, OH. It came out to $2.35/sq ft for 5 inches in walls and $3.50/sq ft for 8 inches in ceilings. I have read elsewhere that it was $1.65 to $2/ sq ft installed but these posts were from 2004. Does anyone know if this is a reasonable price?

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Old 01-25-2008, 09:06 PM   #19
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sorry
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Old 04-07-2008, 08:54 AM   #20
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If your interested In finding more about Icynene contact me 561-313-2515
I work for a Icynene dealer and would be glad to help. My company covers all of South Florida.
The Company is Therma Seal Insulation please feel free to give us a call.

Last edited by TBench; 04-07-2008 at 08:56 AM.
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Old 04-07-2008, 07:29 PM   #21
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the roof god has to stop comparing a roof that is not ventilated that should be ventilated, to a roof that is desgned not to be ventilated. installing shingles over this type of roof system ( spray foam ) will not hurt the shingle.besides how often have you gotten a shingle compay to warranty the product, there is always something else that causes the problem , not there shingle.
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Old 04-08-2008, 07:49 AM   #22
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Building Science has extensive articles about roof ventilation: http://www.buildingscience.com/docum...ic-ventilation
The temperature rise from not ventilating is less than the temperature rise from using a dark colored shingle vs. a light colored shingle, thus not ventilating is a non-issue.
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Old 04-08-2008, 08:42 AM   #23
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The Purpose of having an unvented attic is to stop mold and to help with energy costs and cooling or heating your home. Icynene creates a completely sealed roof system.
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Old 12-21-2008, 04:35 PM   #24
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Icynene Insulation vs Fiber glass insulation


Couldn't be happier with the performance of the Icynene spray foam. I have temp probes in the attic and the attic stays within 5 degrees of the inside temp of the house, even here in St Lucie County Florida. We have a 3000 sq ft house, plus about 500 sq ft in the garage which is also cooled. Our bills have been great with the high being $259 for Aug-Sept period. This house is a model and is kept at 74 during the day and 78 at night. All lights are burning 8 hour a day 7 days a week. Ceiling fans run on low 24/7/365 (5 of them). For some more info see: www.h3homes.com

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