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.
Typically, a wood shingle roof will last 20 to 40 years. Natural slate is a roofing material that consists of shingle-like slivers of rock. The quality of the rock, its thickness, and density, all affect life expectancy. A slate roof can last from 45 to several hundred years.