[Greenbuilding] embodied energy was Polyiso strength on roof

[ErgoDesk]

When you get all the pieces fitting together you start to realize that EPS
is an excellent product for Quality and Energy Efficient Buildings. Quality
Wood will be impossible to fine as a regular construction material so
alternatives must be found if the industry wants to stay relevant. Watch
this sequence of a 2 story EPS Composite house being constructed, to better
understand the process. Mold and Rotting Structural components will be a
distant past allowing structures to last 100's of year's rather than a few.
http://goo.gl/bpmmmJ  -george

[image: Inline image 1]
[image: Inline image 2]
[image: Inline image 3]



http://about.me/StyroHome


On Wed, Dec 10, 2014 at 11:03 AM, Reuben Deumling <9watts at gmail.com> wrote:

> "However, fiberglass and cellulose are not air barriers."
>
> Really? I thought dense pack cellulose was de facto also an air barrier.
>
> On Wed, Dec 10, 2014 at 7:25 AM, conservation architect <
> elitalking at rockbridge.net> wrote:
>
>>
>> [image: image]
>> This source from Ergo’s link seems pretty authoritative.  I was
>> disappointed not the see eps on the list.  It does have xps which I expect
>> to be much higher carbon footprint than eps because of the price.  Still
>> looking for this comparison. I am surprised that fiberglass is so high.  I
>> am not surprised that cellulose is so low.  They compared these based on
>> R20 square foot.  This is fair for conduction performance.  However,
>> fiberglass and cellulose are not air barriers.  Therefore, the improved
>> energy performance from this characteristic of the foam products is not
>> recognized in this evaluation.
>>
>> I was impressed by fire video of plaster eps room.  The plaster
>> installation surely was the major factor in that result. It was still in
>> place after the fire.
>>
>> I can see the potential for eps plaster panels that could lend itself to
>> reconfiguration and long life.  This is the Lego model.
>>
>> Eli
>>
>>
>>  *From:* ErgoDesk <ergodesk at gmail.com>
>> *Sent:* Tuesday, December 09, 2014 6:05 PM
>> *To:* Green Building <greenbuilding at lists.bioenergylists.org>
>> *Subject:* Re: [Greenbuilding] embodied energy was Polyiso strength on
>> roof
>>
>>  Ok you got me on this one, besides I'm busy trying to save the world,
>> but if you want to waste time nickel and dimming yourselves on the constant
>> changing numbers here they are. http://goo.gl/FMnYUz
>>
>> -enjoy the info, just warning you upfront
>>
>>   http://about.me/StyroHome
>>
>>
>> On Tue, Dec 9, 2014 at 11:33 AM, JOHN SALMEN <terrain at shaw.ca> wrote:
>>
>>>  Except the density thing and the economic  politics that don't set
>>> recycling requirements for paper in na
>>> Realistically cellulose insul is like 3%? Of insul  sakes. If that ‎
>>> rose it would be more forests
>>>  Sent from my BlackBerry 10 smartphone on the Rogers network.
>>>    *From: *Alan Abrams
>>> *Sent: *Tuesday, December 9, 2014 09:35
>>> *To: *listserv Green Building new
>>> *Reply To: *Green Building
>>> *Subject: *Re: [Greenbuilding] embodied energy was Polyiso strength on
>>> roof
>>>
>>>
>>> John...assuming your assessment is accurate, and that any batch of
>>> cellulose has had at least one go-round as Krauthammer columns, then
>>> shouldn't the EE value be halved? If so, then it's still high, but more
>>> competitive against EPS.
>>>
>>>
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>>
>>
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>
>
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