Roofer put on & generally need formal education, but they require on-the-job experience to discover their trade. While each state has various licensing rules, most need a roofing contractor to have at least 2 years of experience before they can end up being licensed. These experts likewise require liability insurance coverage, to be bonded and to possess a business license. HomeAdvisor can help you discover the right roofer for your job. While each state has various licensing guidelines, a lot of require a roof professional to have at least 2 years of experience prior to they can end up being certified. These specialists likewise require liability insurance, to be bonded and to have a service license.