Can the walls be made of artificial stone?
Artificial stone can be used but depends on what you buy the grade, outdoor if it is not enough to use acrylic enough to choke.
General artificial stone for home improvement, natural stone for outdoor use.
Should not work, artificial stone texture is not suitable for the external walls. No, resin artificial stone can not be used outdoors
The outer wall is best not to use artificial stone dry hanging, artificial stone is soft, wear resistance, acid and alkali resistance is not good, time will change color is very beautiful.