Remove existing shingles Renail decking Inspect decking for bad wood Replaced bad wood with new Install ice and water shield underlayment Install new pipe boots Install starter shingle set into roof cement to the new eave metal aka drip edge I install new pristine atlas shingles which we are a Diamond installer with atlas best shingles made Install low profile lomanco ridge vent Install atlas pre cut hip and ridge shingles We was only to reroof house we reroof shed