Cob: Re: Tie Downs

Fri Dec 13 10:22:20 CST 2002

Greetings Kim, Concerning your tie-downs, at the risk of being redundant since it would seem someone  has already mentioned "all thread", have you considered running threaded rod up through the wall in several places to bolt your rafter and a modified top plate to? It is easy to get left over bits of rebar from construction sites then weld the bits together with a 16inch piece of threaded rod at the top. I used 5/8ths all thread on a rammed earth house in Brazil and it is still doing quite well after 23 years. No known problems with the rebar and all thread rusting either. Scraps of lumber could be recycled for sections of top plate to rest your rafters on and to spread the weight of the roof over a larger area of the wall (see Becky Bee) then you could bolt the top plate to the threaded rod and the rafter to the top plate. Good to go. Luck, PAZ,Pedro
-----Original Message-----
From: Kim West <kwest at arkansas.net>
To: Cob List <coblist at deatech.com>
Date: Friday, December 13, 2002 3:21 AM
Subject: Cob: Tie Downs


    I know that when I brought it up earlier, it was not very well received, but I am still wondering about using mobile home tie-downs to help hold the roof on a cob building. I didn't mean tied down like a mobile home is tied down, but fastened to the beam and sunk into the cob.
     
    Kim
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<DIV><FONT color=#000000 size=2>Greetings Kim, Concerning your tie-downs, at the 
risk of being redundant since it would seem someone  has already mentioned 
"all thread", have you considered running threaded rod up through the 
wall in several places to bolt your rafter and a modified top plate to? It is 
easy to get left over bits of rebar from construction sites then weld the bits 
together with a 16inch piece of threaded rod at the top. I used 5/8ths all 
thread on a rammed earth house in Brazil and it is still doing quite well after 
23 years. No known problems with the rebar and all thread rusting either. Scraps 
of lumber could be recycled for sections of top plate to rest your rafters on 
and to spread the weight of the roof over a larger area of the wall (see Becky 
Bee) then you could bolt the top plate to the threaded rod and the rafter to the 
top plate. Good to go. Luck, PAZ,Pedro</FONT></DIV>
<DIV><FONT color=#000000 size=2></FONT><FONT face=Arial size=2><B>-----Original 
Message-----</B><BR><B>From: </B>Kim West <<A 
href="mailto:kwest at arkansas.net">kwest at arkansas.net</A>><BR><B>To: </B>Cob 
List <<A 
href="mailto:coblist at deatech.com">coblist at deatech.com</A>><BR><B>Date: 
</B>Friday, December 13, 2002 3:21 AM<BR><B>Subject: </B>Cob: Tie 
Downs<BR><BR></DIV>
<BLOCKQUOTE 
style="BORDER-LEFT: #000000 solid 2px; MARGIN-LEFT: 5px; PADDING-LEFT: 5px"></FONT>
    <DIV><FONT face=Arial size=2>I know that when I brought it up earlier, it 
    was not very well received, but I am still wondering about using mobile home 
    tie-downs to help hold the roof on a cob building. I didn't 
    mean tied down like a mobile home is tied down, but fastened to the 
    beam and sunk into the cob.</FONT></DIV>
    <DIV><FONT face=Arial size=2></FONT> </DIV>
    <DIV><FONT face=Arial size=2>Kim</FONT></DIV></BLOCKQUOTE></BODY></HTML>

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