i just finished buildinding the walthers central gas kit,i mounted the tanks,pump house and pipping on a piece of .40 styrene painted aged concrete, i'm ready to install on my layout,i'm thinking should i just weather the aged concrete base or put some ballast over it kind of like a gravel lot? your thoughts please?
jimmy i would go with a fine ballast. something like bluestone. or black like millings (ground up black top)
