Earlier in the year I had a thread describing the problems I had with my Baumit.com thin coat render system on wood fibre EWI that thread is here:     This thread is to document the attempts at repairing / re working it and to show what we find as well as invite opinions as to what may have caused the problems.  As yet the cause of the problems are unknown, largely because the manufacturer and UK distributor for this render system have washed their hands of the issue, refusing to