[Greenbuilding] R20 window insulation?
John Bone
johnbone at gateshead.plus.com
Fri Jan 7 03:00:20 CST 2011
http://www.rmaxinc.com/images/products/wall-insulation/Eco-Max-Ad.pdf
On Fri, 07 Jan 2011 03:25:38 -0000, Gennaro Brooks-Church
<info at ecobrooklyn.com> wrote:
> What is Rmaxx and does it make a difference if it is thinner?
>
> Gennaro Brooks-Church
>
> Cell: 1 347 244 3016 USA
> www.EcoBrooklyn.com
> 22 2nd St; Brooklyn, NY 11231
>
>
>
>
> On Thu, Jan 6, 2011 at 8:29 PM, Bob Waldrop <bwaldrop at cox.net> wrote:
>>
>> ----- Original Message ----- From: nick pine
>>>
>>> What's your R20 window insulation?
>>
>> Four pieces of 3/4 inch Rmaxx, gorilla taped together, wrapped in
>> aluminum
>> foil, and then covered (for aesthetics) in either green felt or canvas
>> slip
>> covers. They range in size depending on the windows, and including
>> several
>> large 4 x 8 panels that we use over the windows of the sunspace at night
>> during the winter and during the day in the summer.
>>
>>> ... we came up with the present plan (which included replacing the
>>> south
>>> wall of our utility room with glass to add some
>>> passive solar) and implemented it.
>>
>>> Have you considered turning this 24/7 heat-losing passive solar glass
>>> into
>>> an air heater with little heat loss at night >and on cloudy days?
>>
>> I have been reading this forum for some time and your frequent
>> contributions
>> on the subject, but the math generally escapes me and it hasn't been
>> clear
>> exactly what you would advocate in this situation. It is a space about
>> 20'
>> long, and 6' wide, with doors at either end (no east or west windows).
>> The
>> windows are stock double paned patio doors, plus two double hung
>> windows for
>> summer ventilation. I am always interested in anything that will help
>> us
>> stay warm in the winter for less effort.
>>
>> Bob Waldrop, OKC
>>
>>
>>
>> Nick
>>
>>
>>
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>
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--
John Bone, MBEng, BSc Hons, ICIOB
Email: JohnBone at gateshead.plus.com
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