Model talus (rock debris) wherever you create rock faces, outcroppings and or road cuts. Intermix grades and blend shades for the most realism. Color Natural Talus with Earth Colors Liquid Pigment, if desired. Sprinkle Talus and secure with Scenic Cement (S191). Create rock piles and slides, or model blasting areas. Color with Earth Colors Liquid Pigment. Particle size Fine: 1/32 in – 3/32 in Medium: 1/32 in – 3/16 in Coarse: 3/16 in – 3/8 in Extra Coarse: 3/16 in -1/2 in C1279 – Medium Gray Talus – 21.6 cu in (353 cu cm)