Cob: RE: RE: Sealing cement roofs

Wed Jan 15 11:49:37 CST 2003

Not only is it not very natural but it sounds like cancer just waiting to
happen.
I'm sure there are plenty of things the uneducated poor do in third world
countries
that involve the use of hazardous, cancer causing materials but is that
something we
want to immitate? They probably still use lead based paints to cover their
interior
walls too. Don't gamble with your health just to save a buck. :)

- Ben

-----Original Message-----
From: Patrick Newberry [mailto:PNewberry at HFHI.org]
Sent: Wednesday, January 15, 2003 7:16 AM
To: coblist at deatech.com
Subject: Cob: RE: Sealing cement roofs

I know this isn't very natural, but I heard about some cement roofs being
sealed in Guatamala using old styrofoam and gasoline. Mixed to gether I
guess it melts the styrofoam into some type of a substance that can then be
painted on to the cement and seal it. 

This is currently being used on habitat homes in Guatamala. 

Has anyone else heard of this. I'll be putting a ferro cement roof over the
outer section of my cob house and have been looking into fibers (looking at
steel and fiberglass) to try to keep it as thin as possible since I am
building by hand and must carry the cement up to the roof. 

Pat
www.gypsyfarm.com
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Not only is it not very natural but it sounds like cancer just waiting to happen.
 I'm sure there are plenty of things the uneducated poor do in third world countries
 that involve the use of hazardous, cancer causing materials but is that something we
 want to immitate? They probably still use lead based paints to cover their interior
 walls too. Don't gamble with your health just to save a buck. :)

<P><FONT SIZE=2>- Ben</FONT>
</P>

<P><FONT SIZE=2>-----Original Message-----</FONT>
<BR><FONT SIZE=2>From: Patrick Newberry [<A HREF="mailto:PNewberry at HFHI.org">mailto:PNewberry at HFHI.org</A>]</FONT>
<BR><FONT SIZE=2>Sent: Wednesday, January 15, 2003 7:16 AM</FONT>
<BR><FONT SIZE=2>To: coblist at deatech.com</FONT>
<BR><FONT SIZE=2>Subject: Cob: RE: Sealing cement roofs</FONT>
</P>
<BR>

I know this isn't very natural, but I heard about some cement roofs being sealed in Guatamala using old styrofoam and gasoline. Mixed to gether I guess it melts the styrofoam into some type of a substance that can then be painted on to the cement and seal it.

This is currently being used on habitat homes in Guatamala.

Has anyone else heard of this. I'll be putting a ferro cement roof over the outer section of my cob house and have been looking into fibers (looking at steel and fiberglass) to try to keep it as thin as possible since I am building by hand and must carry the cement up to the roof.

<P><FONT SIZE=2>Pat</FONT>
<BR><FONT SIZE=2>www.gypsyfarm.com</FONT>
</P>

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