Question: Tell us about your experience in accounts payable. Answer: Accounts Payable is mainly concerned with effective management of creditors. Effective management of creditors calls for correct booking of invoice under right accounting heads and making timely payments so that maximum available credit limit and discount is taken.
That's somewhat optimistic, according to the Metal Roofing Alliance, which says a metal roof lasts 40 to 60 years while the average life span of an asphalt roof is 12 to 20 years.. Your shingles might defy predictions one way or the other.
But when done properly, a roof can last from 30 to 40 years in Arizona. Here are some common examples of roofing: Built-up roofs are less costly and have sheets of roofing membrane with sealing done on seams and vents and around pipes sticking out of the roof.