The Mississippi PSI Residential Roofing Online Course is structured for candidates preparing for the residential roofing trade exam administered by PSI for Mississippi contractor licensing. The course focuses on core roofing topics such as roof deck preparation, underlayment systems, shingle and membrane installation, flashing and ventilation requirements, roof drainage, fasteners and attachment methods, and OSHA safety practices. It provides guided study modules, reference-book navigation strategies for the open-book exam format, and practice questions aligned with the PSI residential roofing scope used to evaluate competency for Mississippi licensure.