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<p><font size="+1"><font face="Gill Sans MT">Stephen, where do you
get the clay you're planning to use? I'm not near doing the
bathroom yet, but would like to use it.</font></font></p>
<p><font size="+1"><font face="Gill Sans MT">Thanks,</font></font></p>
<p><font size="+1"><font face="Gill Sans MT">Lynelle </font></font><br>
</p>
<br>
<div class="moz-cite-prefix">On 2017-12-19 9:19 AM, Stephen Collette
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:9490DFBB-EDF8-4B49-9F32-F0FFDB4D0F8B@yourhealthyhouse.ca">
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Hello Reuben and all
<div class=""><br class="">
</div>
<div class="">Yes, Reuben, there are building materials that have
been used since time immemorial that can safely manage moisture
generated without resulting in damage and ultimately mould
growth. Hygroscopicity is the rate at which moisture can be
adsorbed by the material. The greater the hygroscopicity, the
greater the rate it can take moisture in, and release it.
Materials that have high rates of hygroscopicity are unbaked
clay, unfinished wood and cork for example. Hygric buffering
capacity is the term that looks at how much water the material
can safely store/hold/then release before it fails. Again, a
higher value means it can hold more. The Lstiburek/Carmody book
Moisture Control Handbook made mention (if I remember correctly)
of a steel stud with drywall building holding something like 5
gallons of water, while a brick building could hold 500 gallons
safely. Brick being fired cannot hold anywhere near as much as
unfired clay, which is used in plaster or unfired adobe in your
case in your bathroom. </div>
<div class=""><br class="">
</div>
<div class="">I have some slides, but I can’t upload them to the
group so send me a PM and I’ll send them to you.</div>
<div class=""><br class="">
</div>
<div class="">Cheers</div>
<div class=""><br class="">
</div>
<div class="">Stephen</div>
<div class=""><br class="">
<div class="">
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<div class="">
<div style="orphans: 2; widows: 2;" class="">Stephen
Collette </div>
<div style="orphans: 2; widows: 2;" class="">BBEC, BBNC,
LEED AP, CAHP, BSSO</div>
<div style="orphans: 2; widows: 2;" class="">Principal</div>
<div style="orphans: 2; widows: 2;" class=""><b class=""><i
class="">Your Healthy House</i></b> </div>
<div style="orphans: 2; widows: 2;" class=""><font
class="Apple-style-span" size="2"><span
class="Apple-style-span" style="font-size: 10px;">Indoor
Environmental Testing & Building Consulting</span></font></div>
<div style="orphans: 2; widows: 2;" class=""><a
href="http://www.yourhealthyhouse.ca" class=""
moz-do-not-send="true">http://www.yourhealthyhouse.ca</a></div>
<div style="orphans: 2; widows: 2;" class=""><a
href="mailto:stephen@yourhealthyhouse.ca" class=""
moz-do-not-send="true">stephen@yourhealthyhouse.ca</a></div>
<div style="orphans: 2; widows: 2;" class="">705.652.5159</div>
</div>
<div class=""><br class="">
</div>
</div>
<br class="Apple-interchange-newline">
</div>
<br class="Apple-interchange-newline">
<br class="Apple-interchange-newline">
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<div><br class="">
<blockquote type="cite" class="">
<div class="">On Dec 18, 2017, at 2:00 PM, <a
href="mailto:greenbuilding-request@lists.bioenergylists.org"
class="" moz-do-not-send="true">greenbuilding-request@lists.bioenergylists.org</a>
wrote:</div>
<br class="Apple-interchange-newline">
<div class=""><span style="font-family: Helvetica;
font-size: 12px; font-style: normal; font-variant-caps:
normal; font-weight: normal; letter-spacing: normal;
text-align: start; text-indent: 0px; text-transform:
none; white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; float: none; display:
inline !important;" class="">Stephen,</span><br
style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px;" class="">
<span style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; float: none; display:
inline !important;" class="">that is so fascinating. I
deeply appreciate these insights and reminders of</span><br
style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
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<span style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; float: none; display:
inline !important;" class="">things we (or at least I)
had forgotten. One question right off - materials</span><br
style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
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<span style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; float: none; display:
inline !important;" class="">that store and release
moisture - are these categorically different from</span><br
style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px;" class="">
<span style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; float: none; display:
inline !important;" class="">the materials we regularly
see harboring mold? Like caulk, latex paint,</span><br
style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px;" class="">
<span style="font-family: Helvetica; font-size: 12px;
font-style: normal; font-variant-caps: normal;
font-weight: normal; letter-spacing: normal; text-align:
start; text-indent: 0px; text-transform: none;
white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; float: none; display:
inline !important;" class="">drywall? I'd be delighted
to pursue these ideas!</span></div>
</blockquote>
</div>
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