Early on in our build in summer 2016, the outside of the house was rendered using the Baumit.com render system consisting of a lime based base coat mixed from powder called MC55W, a fibreglass mesh was rolled into this while wet.  Then it was painted with DG27 primer and a top coat of Silikon Top applied.   This was all applied to Pavatex wood fibre board cladding a timber framed house.  There was a BBA certificate for this render system that I have attached.     The result w