Step Five -- Paint the House and Interior Ruins Typically, I paint the roofs of my buildings first with a shade of mid-gray or reddish brown acrylic paint. Here, the color was Liquitex Red Oxide. Apply your color fairly thickly and straight from the tube, brushing it from top to bottom. Faint brush lines will remain when the paint dries, which help suggest a shingled/tiled effect. For subsequent coats, lighten/darken the basic color with white, a tiny bit of black, or grey and brush it on in irregular, rectangular patches, to better approximate the look of a real roof with shingles or tiles of different ages and conditions. You can, of course, leave the basic colors untouched, but the dusty, “used” effect that comes through the gradual application of multiple coats and judicious drybrushing is pleasing to the eye. For chimneys and brick walls, I next used Liquitex Burnt Sienna mixed with a healthy amount of white, to approximate a dusty, generic brick color. I paint these are...