Use as ground cover around the back of the building and sides. – For you industrial areas around buildings and parking lots and those areas that have lots of traffic that need a grey ground cover. 2000 Industrial Dirt Standard is a grey powder with some pink. 1000 Industrial Filthy is a dark grey powder or with some black pigment.
You can use this to build up your base to reduce the cost of the ground cover.
Just pour into areas that need additional build-up and apply 2 parts glue and one part water to glue in place. Then sprinkle the color you want to the top while still wet. To read more visit Model Railroader Forums.
Rock powder, rock dust, rock powders, rock minerals, rock flour, soil remineralization, mineral fines, ground cover, dirt, and powder consists of finely crushed rock, crushed from larger rocks containing a trace of a wide verity of difference rocks