Better adhesion. Reduced shrinkage. Large areas layed up quickly. Cornish lime builders are happy to announce a new string to our bow.
Care is taken over personal safety.
The entire wall is cast on rather than smeared on. 
Prior to staffing it has a rather dimpled look.
Once it has been staffed off a power float is used.
This is both fast and effective. 
Large areas can be quickly flattened.
Smaller areas are finished in the traditional ways.