Roofing contractors wear & typically need formal education, but they need on-the-job experience to learn their trade. While each state has various licensing guidelines, the majority of require a roofer to have at least 2 years of experience before they can become certified. These experts likewise need liability insurance coverage, to be bonded and to possess an organization license. HomeAdvisor can help you discover the ideal roofing contractor for your project. While each state has different licensing rules, the majority of need a roof specialist to have at least two years of experience prior to they can end up being licensed. These specialists also require liability insurance coverage, to be bonded and to possess a service license.