[Greenbuilding] Year-round thermal comfort & insulation

ErgoDesk ergodesk at gmail.com
Sun Jul 15 17:41:18 CDT 2018


Radon:
https://www.google.ca/search?q=radon+shield&num=100&newwindow=1&rlz=1C1CHBF_enCA777CA777&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiC4ZS5laLcAhXZHjQIHUh3C4EQ_AUICigB&biw=1280&bih=596


[image: Styrohome]

*George Hawirko*
Product Designer | Styrohome
​,​
 Insulated Building
​​
Envelopes
Phone: 604-477-7897
Site: about.me/StyroHome <http://about.me/styrohome>
Email: ergodesk at gmail.com
Skype: ergodesk
Address: #971 12151 224 St.
                 Maple Ridge, BC   V2X 7N5
                 CANADA
[image: linkedin] <https://www.linkedin.com/in/styrohome/>
[image: twitter] <https://twitter.com/styrohome>



On Sun, Jul 15, 2018 at 3:32 PM Peter Kidd <peterkidd at shaw.ca> wrote:

> What's a radon SHIELD
>
> Sent from my BlackBerry 10 smartphone.
> *From: *ErgoDesk
> *Sent: *Sunday, July 15, 2018 5:27 PM
> *To: *Green Building
> *Reply To: *Green Building
> *Subject: *Re: [Greenbuilding] Year-round thermal comfort & insulation
>
>
> Was a RADON Shield installed under the Slab?
>
>
> [image: Styrohome]
>
> *George Hawirko*
> Product Designer | Styrohome
> ​,​
>  Insulated Building
> ​​
> Envelopes
> Phone: 604-477-7897
> Site: about.me/StyroHome <http://about.me/styrohome>
> Email: ergodesk at gmail.com
> Skype: ergodesk
> Address: #971 12151 224 St.
>                  Maple Ridge, BC   V2X 7N5
>                  CANADA
> [image: linkedin] <https://www.linkedin.com/in/styrohome/>
> [image: twitter] <https://twitter.com/styrohome>
>
>
>
> On Sun, Jul 15, 2018 at 3:05 PM Beatrice Dohrn via Greenbuilding <
> greenbuilding at lists.bioenergylists.org> wrote:
>
>>
>>
>>
>> ---------- Forwarded message ----------
>> From: Beatrice Dohrn <beatricedohrn at yahoo.com>
>> To: Green Building <greenbuilding at lists.bioenergylists.org>
>> Cc:
>> Bcc:
>> Date: Sun, 15 Jul 2018 15:03:49 -0700
>> Subject: Re: [Greenbuilding] Year-round thermal comfort & insulation
>> FYI:  I am also in the PNW, I built my house from Faswall (like Durisol,
>> but local). It has a basement, ground floor and bedroom 1 flight up. THe
>> walls are, I think, R28. THe roof is a sandwich with 9” of Polyiso in it.
>> So mass and decent insulation given the mild temps here. THe basement —
>> which is 2/3 in ground and 1/2 exposed to the East — never gets above 65 or
>> below 58. The ground floor is easy to keep cool in heat waves by managing
>> day and night window positions. The upstairs disappoints me in geting too
>> warm and I find it difficult to get air moving without some mechanical
>> ventilation..... I thought I had designed something that would work
>> better....
>>
>> Best, BEatrice.
>>
>>
>>
>> On Jul 15, 2018, at 12:10 AM, Paul Hadfield <
>> paul.hadfield at firelight.co.uk> wrote:
>>
>> Reuben says: "Thermal mass (such as a brick or stone wall) would I think do a much better job producing comfortably cool summer evenings, but would not accomplish much in the winter"
>>
>>
>> As Mike says, doesn't thermal mass provide a flywheel of heat through cold periods, as building 2226 <https://www.detail-online.com/article/house-without-heating-office-building-in-austria-16667/> (non-domestic, admittedly) shows?
>>
>>
>> Paul Hadfield.
>>
>>
>>
>>
>> On Sat, 14 Jul 2018 at 19:00, <
>> greenbuilding-request at lists.bioenergylists.org> wrote:
>>
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>>> When replying, please edit your Subject line so it is more specific
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>>> Today's Topics:
>>>
>>>    1. Year-round thermal comfort & insulation (Reuben Deumling)
>>>    2. Re: Year-round thermal comfort & insulation (Mike O'Brien)
>>>
>>>
>>>
>>> ---------- Forwarded message ----------
>>> From: Reuben Deumling <9watts at gmail.com>
>>> To: Greenbuilding <greenbuilding at lists.bioenergylists.org>
>>> Cc:
>>> Bcc:
>>> Date: Sat, 14 Jul 2018 07:43:24 -0700
>>> Subject: [Greenbuilding] Year-round thermal comfort & insulation
>>> I like insulation: the more the better as far as I'm concerned. For
>>> keeping the cold out (speaking colloquially) I've found that careful
>>> attention to air sealing and insulation pays huge dividends. But for
>>> keeping the summer heat out, I'm finding that the same insulation does a
>>> far less admirable job. Stretches of direct sun not only manage to heat up
>>> the room/house, it feels like the insulation then does a good job of
>>> holding that just-gained heat in. While cool nights with the windows open
>>> typically solves the problem in our relatively mild PNW climate I'm still
>>> perplexed why the seasonal symmetry I (naively) expected is not evident.
>>> The walls in question have two parallel but isolated sets of studs and
>>> as much dense packed cellulose as I my Forec 2 insulation blower can force
>>> into the nooks and crannies. Thermal mass (such as a brick or stone wall)
>>> would I think do a much better job producing comfortably cool summer
>>> evenings, but would not accomplish much in the winter. Are there hybrid
>>> wall assemblies I'm not aware for? What am I missing?
>>>
>>> Planned remedies: learn to make exterior shutters, plant more trees.
>>>
>>> Thanks!
>>>
>>>
>>>
>>> ---------- Forwarded message ----------
>>> From: "Mike O'Brien" <obrien at hevanet.com>
>>> To: Green Building <greenbuilding at lists.bioenergylists.org>
>>> Cc:
>>> Bcc:
>>> Date: Sat, 14 Jul 2018 08:40:38 -0700
>>> Subject: Re: [Greenbuilding] Year-round thermal comfort & insulation
>>> Hi, Reuben—
>>>
>>> In our house we used lots of insulation, and also thermal mass. The
>>> house is built on a slab, the southern end has a clay finish floor, it has
>>> Durasol walls on the south side, and there is a cob wall in the interior.
>>> We also installed an ecoroof on the south facing side, which helps reduce
>>> thermal gains on that area. I believe the thermal mass helps dampen the
>>> temperature swings, especially noticable in extreme weather. The
>>> west-facing windows are shaded by a big cedar tree and a (sprawling)
>>> wisteria, and the west-facing roof has solar water panels on it. With your
>>> same night-flushing strategy, our house remains comfortable, even when the
>>> outdoors is in the 90s.
>>>
>>> Best,
>>>
>>> Mike
>>> (503) 819-8991
>>>
>>>
>>> On Jul 14, 2018, at 7:43 AM, Reuben Deumling <9watts at gmail.com> wrote:
>>>
>>> I like insulation: the more the better as far as I'm concerned. For
>>> keeping the cold out (speaking colloquially) I've found that careful
>>> attention to air sealing and insulation pays huge dividends. But for
>>> keeping the summer heat out, I'm finding that the same insulation does a
>>> far less admirable job. Stretches of direct sun not only manage to heat up
>>> the room/house, it feels like the insulation then does a good job of
>>> holding that just-gained heat in. While cool nights with the windows open
>>> typically solves the problem in our relatively mild PNW climate I'm still
>>> perplexed why the seasonal symmetry I (naively) expected is not evident.
>>> The walls in question have two parallel but isolated sets of studs and
>>> as much dense packed cellulose as I my Forec 2 insulation blower can force
>>> into the nooks and crannies. Thermal mass (such as a brick or stone wall)
>>> would I think do a much better job producing comfortably cool summer
>>> evenings, but would not accomplish much in the winter. Are there hybrid
>>> wall assemblies I'm not aware for? What am I missing?
>>>
>>> Planned remedies: learn to make exterior shutters, plant more trees.
>>>
>>> Thanks!
>>> _______________________________________________
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>>
>>
>> --
>> Paul Hadfield
>> Firelight Open Fires Ltd
>> Springside House
>> Scotland Lane
>> Burton Overy
>> Leicester LE8 9DR
>> Email : paul.hadfield at firelight.co.uk
>>
>> Mobile 07867 978537 or 07071 202354
>>
>> Phone: 0116 259 0066;  Fax: 0116 259 0183
>> email : mail at firelight.co.uk
>>
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>>
>> ---------- Forwarded message ----------
>> From: Beatrice Dohrn via Greenbuilding <
>> greenbuilding at lists.bioenergylists.org>
>> To: Green Building <greenbuilding at lists.bioenergylists.org>
>> Cc: Beatrice Dohrn <beatricedohrn at yahoo.com>
>> Bcc:
>> Date: Sun, 15 Jul 2018 15:03:49 -0700
>> Subject: Re: [Greenbuilding] Year-round thermal comfort & insulation
>> _______________________________________________
>> Greenbuilding mailing list
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