plaster
general term for a broad range of building and sculpture materials
gypsum plaster
building material
roughcast
coarse plaster surface used on exterior walls
scagliola
fine plaster of powdered selenite (gypsum) mixed with alum, glue, water, and pigment to imitate marble or pietra dura
lime plaster
type of plaster composed of sand, water, and lime
Harl
Scottish exterior building-surfacing technique
Hessian Scratching Finery
Historic rendering in the rural building tradition in Hesse