AK Interactive Terrains: AsphaltScale asphalt texture with a black grey shade similar to that of roads, highways or any asphalt covered surface. This is a high quality acrylic product developed for extreme realism. Acrylic product for textures in dioramas. Perfect results in thin or thick layers. It can be diluted with water or an acrylic thinner to improve its flow. You can work with pigments once dry to achieve tonal variation. No toxic