Cob: Re: Cob sticking to the foundation

Sun Nov 5 07:10:34 CST 2000

Greetings, Concerning the discussion of  cob wall bonding or not bonding to it's footings;, not being a cob builder, it seems to me that central to the issue is that if the cob bonds to the footer, you will reduce the opportunity for water to pass through the water channel . For example in conventional construction the          bond between  a basement wall and footing takes place because of the bond between two like materials which helps to prevent seepage from the pooled water at the  foundation.It would seem plastic between footer and wall would enhance the ability of water to enter the building...regardless of how much the wall weighs. It seems that two variables that need attention are 1) how monolithic can you make the structure and 2) how well can you keep water away from the foundation in the first place...or at least between the join between the wall and the footer. That's my two cents worth. Good luck
--Original Message-----
From: pat at cobworks <pat at cobworks.com>
To: coblist at deatech.com <coblist at deatech.com>
Date: Friday, November 03, 2000 10:31 PM
Subject: Cob: Cob sticking to the foundation


    Coblist;
            I do not think that you will ever have a problem with the first layer of cob adhering to the foundation, be it rough or smooth.  Of the two cob cabins I have built, the smaller one contained 120,000 pounds of stone, clay and sand.  The second one contained 250,000 pounds.  With that kind of weight the buildings will go no where but down.
                                                                    Patrick
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<DIV><FONT color=#000000 size=2>Greetings, Concerning the discussion of  
cob wall bonding or not bonding to it's footings;, not being a cob builder, it 
seems to me that central to the issue is that if the cob bonds to the footer, 
you will reduce the opportunity for water to pass through the water channel . 
For example in conventional construction 
the          bond between  a 
basement wall and footing takes place because of the bond between two like 
materials which helps to prevent seepage from the pooled water at the  
foundation.It would seem plastic between footer and wall would enhance the 
ability of water to enter the building...regardless of how much the wall weighs. 
It seems that two variables that need attention are 1) how monolithic can you 
make the structure and 2) how well can you keep water away from the foundation 
in the first place...or at least between the join between the wall and the 
footer. That's my two cents worth. Good luck</FONT></DIV>
<DIV><FONT color=#000000 size=2></FONT><FONT face=Arial size=2><B>--Original 
Message-----</B><BR><B>From: </B>pat at cobworks <<A 
href="mailto:pat at cobworks.com">pat at cobworks.com</A>><BR><B>To: </B><A 
href="mailto:coblist at deatech.com">coblist at deatech.com</A> <<A 
href="mailto:coblist at deatech.com">coblist at deatech.com</A>><BR><B>Date: 
</B>Friday, November 03, 2000 10:31 PM<BR><B>Subject: </B>Cob: Cob sticking to 
the foundation<BR><BR></DIV>
<BLOCKQUOTE 
style="BORDER-LEFT: #000000 solid 2px; MARGIN-LEFT: 5px; PADDING-LEFT: 5px"></FONT>
    <DIV><FONT face=Arial size=2>Coblist;</FONT></DIV>
    <DIV><FONT face=Arial size=2>        I do not 
    think that you will ever have a problem with the first layer of cob adhering 
    to the foundation, be it rough or smooth.  Of the two cob cabins I have 
    built, the smaller one contained 120,000 pounds of stone, clay and 
    sand.  The second one contained 250,000 pounds.  With that kind of 
    weight the buildings will go no where but down.</FONT></DIV>
    <DIV><FONT face=Arial size=2>        
                    
                    
Patrick</FONT></DIV></BLOCKQUOTE></BODY></HTML>

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