Cob building shrinkage

John Hall hallsoi at netvigator.com
Thu Jan 28 05:23:46 CST 1999


Anthea & Tracy wrote:
> 
> I have noticed that log house builders leave an insulated gap above
> door and window frames to allow for structural settling and shrinkage.
> Does cob shrink much as it cures? Has anyone had a problem with
> windowframes or lintels being pulled out of skew as the building progresses?
> 
> Tracy

One way round this is to build the shell without any openings.  Build in 
your lintels over proposed doors/ windows etc., then cut out the 
openings when most of the shrinkage has taken place.