[Greenbuilding] embodied energy was Polyiso strength on roof

Wed Dec 10 15:17:35 CST 2014

Gennaro Brooks-Church
Director, Eco Brooklyn Inc.
Cell: 1 347 244 3016 USA
www.EcoBrooklyn.com
22 2nd St; Brooklyn, NY 11231

On Wed, Dec 10, 2014 at 3:29 PM, ErgoDesk <ergodesk at gmail.com> wrote:

> 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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>
>
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