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Posted by RicodJour on September 24, 2006, 1:41 am
010010010101000 wrote:
> We've got a 5 year old house that is exhibiting symptoms of "edge lift".
> An internal wall has raised off the floor about 1/8th inch and we've
> got a horizontal crack in a nearby wall as well as a nearby door out of
> alignment.
>
> We've got a clay based soil structure and apparently this is pretty
> common for the area.
>
> The only thing I've been able to find to combat this is a $30/linear
> foot treatment called ecss 3000. That comes to about $9000 for our
> home. It has some good results and testing behind it. Recovery isn't
> guaranteed, although they appear pretty confident about it stopping
> further swelling of the base clay.
>
> Could I combat this in any other way? I understand the chemistry here.
> The problem is due to the increased water from landscape irrigation as
> opposed to what the land was used to prior to building. Apparently the
> foundation was not designed with enough give for this problem. The home
> is not guttered. Would guttering help by channeling runnoff water to
> another location?
Yes, absolutely. The grade should slope away from the house and you
should have gutters with underground drainage (solid pipe, not
perforated pipe) connecting to a drywell(s) away from the house.
R
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