Cob: RE: horse hair

Sat Mar 29 12:04:16 CST 2003

Quick comment on the validity of the hair conversation

It is most definitely not off topic as a properly constructed cob wall must
be protected by a plaster render. The best render you can apply is a lime
plaster. The best lime renders contain hair. Easy as that
 let the
conversation continue (at least if Ive got a vote in this
) :-)

As to lurkers question
.

The function of the hair in the plaster is the same as the straw in cob. It
works as a reinforcement strand within the plaster helping it to hold
together when expanding, contracting or otherwise shifting on the structure.
Its a good thing.

The only issue I have heard with using human hair is that it is to smooth.
That animal hair is coarser. It can still be used, its just not the best.

Joe

-----Original Message-----
From: owner-coblist at deatech.com [mailto:owner-coblist at deatech.com]On Behalf
Of Mary Hooper
Sent: Saturday, March 29, 2003 5:00 PM
To: coblist at deatech.com
Subject: Cob: horse hair

A lurker here.......

Human hair was used as the crosshairs in rifle scopes, according to my
memories....
I'm late in this discussion....so would someone tell me what function the
hair served in the plaster?
I use hair in my compost.......I cut my honey's hair so he has contributed
10 years worth of it to the piles.... I just spread an 8 year pile on my
garden and it showed no hairs at all.....

My question has to do with insects....might hair not attract unwanted
insects? Or does the lime used in the mix make it unattractive....????
Mary, in NC mtns where winter returns tomorrow
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<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Quick
comment on the validity of the hair conversation… <o:p></o:p></span></font></span></p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>

It is most
definitely not off topic as a properly constructed cob wall must be protected
by a plaster render. The best render you can apply is a lime plaster. The best
lime renders contain hair. Easy as that… let the conversation continue (at
least if I’ve got a vote in this…) J<o:p></o:p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>As to lurker’s
question….<o:p></o:p></span></font></span></p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>

The
function of the hair in the plaster is the same as the straw in cob. It works
as a reinforcement strand within the plaster helping it to hold together when expanding,
contracting or otherwise shifting on the structure. It’s a good thing. <o:p></o:p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>

The only
issue I have heard with using human hair is that it is to smooth. That animal
hair is coarser. It can still be used, its just not the best.<o:p></o:p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'>Joe<o:p></o:p></span></font></span></p>

<p class=MsoNormal><span class=EmailStyle15><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;mso-bidi-font-size:12.0pt;font-family:Arial'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></span></p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;color:black'>-----Original
Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> owner-coblist at deatech.com
[mailto:owner-coblist at deatech.com]<b><span style='font-weight:bold'>On Behalf
Of </span></b>Mary Hooper<br>
<b><span style='font-weight:bold'>Sent:</span></b> Saturday, March 29, 2003
5:00 PM<br>
<b><span style='font-weight:bold'>To:</span></b> coblist at deatech.com<br>
<b><span style='font-weight:bold'>Subject:</span></b> Cob: horse hair</span></font></p>

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style='font-size:12.0pt'><![if !supportEmptyParas]> <![endif]><o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>A
lurker here.......</span></font><font color=black><span style='color:black;
mso-color-alt:windowtext'><o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'> </span></font><font
color=black><span style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>

Human
hair was used as the crosshairs in rifle scopes, according to my memories.... <o:p></o:p>

I'm
late in this discussion....so would someone tell me what function the hair
served in the plaster? <o:p></o:p>

I use
hair in my compost.......I cut my honey's hair so he has contributed 10
years worth of it to the piles.... I just spread an 8 year pile on my garden
and it showed no hairs at all..... <o:p></o:p>

<p class=MsoNormal style='margin-left:.5in'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt;color:black'> </span></font><font
color=black><span style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>

My
question has to do with insects....might hair not attract unwanted insects? Or
does the lime used in the mix make it unattractive....???? <o:p></o:p>

<p class=MsoNormal style='margin-left:.5in'><font size=2 color=black
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:black'>Mary,
in NC mtns where winter returns tomorrow</span></font><font color=black><span
style='color:black'> </span></font><font color=black><span
style='color:black;mso-color-alt:windowtext'><o:p></o:p></span></font></p>

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