Roofer wear & typically need formal education, however they require on-the-job experience to discover their trade. While each state has different licensing rules, a lot of need a roofing contractor to have at least 2 years of experience prior to they can become licensed. These professionals also need liability insurance coverage, to be bonded and to possess an organization license. HomeAdvisor can help you find the right roofing contractor for your task. While each state has different licensing guidelines, the majority of require a roofing professional to have at least two years of experience before they can become licensed. These experts likewise need liability insurance, to be bonded and to possess a company license.