Eave Riser L-Style is made of 28 or 26 Gauge, Painted metal Charcoal, Brown or White Steel, and Galvanized or Zincalume 10' long. Eave Risers are installed along the eaves to elevate the eaves course of roof tiles. Vented Eave Risers are specially designed versions of metal Eaves Risers that allows air ventilation into the space between the tiles and roof deck. For architectural, residential, and commercial roofing. ASTM A-653, ASTM A-792