Rooftops Metal When the rooftop material is metal. Note: We use the metal category when the metal dominates the rooftop – makes up between 70-90% metal. City: Lima Example 1 , Metal: tires on the top of roof. Example 2 , Metal. Example 3 , Metal. Example 4 , Metal. Example 5 , Metal. Example 6 , The material of these rooftops is considered metal. Example 7 , Metal.