Cob: RE: RE: Sealing cement roofs

Wed Jan 15 13:01:17 CST 2003

They were not using it for an inside application, only on the cement roofs to seal. I'm belive it would dry reasonable quickly.  Of course it might be a bad idea, still investigating, of course there are a lot of things get done by  rich educated folks in first world countries  that should not be immiated either, just to make a buck :-)

Pat Newberry
www.gypsyfarm.com

-----Original Message-----
From: Ben Harrison [mailto:bharrison at crystald.com]
Sent: Wednesday, January 15, 2003 12:50 PM
To: Patrick Newberry; coblist at deatech.com
Subject: RE: RE: Sealing cement roofs

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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<DIV>They 
were not using it for an inside application, only on the cement roofs to seal. 
I'm belive it would dry reasonable quickly.  Of course it might be a bad 
idea, still investigating, of course there are a lot of things get done by 
 rich educated folks in first world countries  that should not be 
immiated either, just to make a buck :-)</DIV>
<DIV> </DIV>
<DIV>Pat 
Newberry</DIV>
<DIV>www.gypsyfarm.com</DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
 <DIV class=OutlookMessageHeader dir=ltr align=left>-----Original Message----- From: Ben Harrison 
 [mailto:bharrison at crystald.com] Sent: Wednesday, January 15, 2003 
 12:50 PM To: Patrick Newberry; 
 coblist at deatech.com Subject: RE: RE: Sealing cement 
 roofs </DIV>
 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 [<A 
 href="mailto:PNewberry at HFHI.org">mailto:PNewberry at HFHI.org</A>] 
 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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