Step Shingles are made of 28 or 26 Gauge Galvanized Steel or Painted in Color Brown, Charcoal or White, 50 /Bundle. Step Flashing is mainly used around chimneys, skylights, roof to wall applications, and other openings, for weatherproofing applications. Step Shingles are pre-bent for ease of installation. For architectural, residential, and commercial roofing. ASTM A-653, ASTM A-792