Okay, so the debate continues: Which is better - shotcrete or gunite?

 Shotcrete, gunite, concrete sprayed concrete, gunned cement?

The question of "is gunite is better than shotcrete?" is a loaded question. It can depend a number of things.  Both processes have thier own pros and cons.  Some are based on operator experience, and some are based on knowing exactly what you are spraying before it is sprayed.

To get a better understanding, you must first understand the difference between the two processes.

Gunite: A dry mix of cement, aggregate (sand) and water combined at the nozzle of the gun at very high pressure.  Gunite os often applied over rebar, or steel mesh and helps it adhere.  It has the ability to stick well and not sag because of its high velocity application and its lesser water content.

Shotcrete: Concrete that has been pre mixed and then sprayed onto a surface.  It may have a tendecy to sag and therefore may require reworking although it has excellent adhesion-

FOR THE COMPLETE ARTICLE ON GUNITE VS SHOTCRETE