Roofer wear & normally need official education, however they need on-the-job experience to discover their trade. While each state has various licensing rules, most require a roofer to have at least two years of experience before they can end up being certified. These professionals also need liability insurance, to be bonded and to have a company license. HomeAdvisor can help you find the right roofing contractor for your task. While each state has different licensing guidelines, a lot of require a roofing professional to have at least two years of experience prior to they can become certified. These professionals likewise require liability insurance coverage, to be bonded and to possess an organization license.