Aluminum, lead, zinc, stainless, copper and steel make their way onto the roof as fasteners, flashings, edgings, hatches, vents, expansion joints, drains and even as the roof covering itself.
Every time I speak with a roofing contractor lately, the topic of labor emerges as number one. In all my years in the roofing industry, the topic of labor has consistently been on top or near the top of the list.