I was reading about this on here, I didn't know you could flick silicone... I have some tc30 left over from another job, might see If I can get a match?Tyrolean.
Or a monocouche sprayed with a texture gun but most likely Tyrolean.
When flicking with a gun I mean. So picking your sand wisely is importantRatio of fines and course aggregate and wetness of the mix will determine finish with s and c.