NORTH KINGSTOWN – Rinaldi Brothers Roofing Inc. recently purchased a two-story, multi-tenant retail building in North Kingstown, according to Sweeney Real Estate & Appraisal, which brokered the transaction. The company purchased the 3,800-square-foot building at 3681 Quaker Lane for $530,000, according to Sweeney Real Estate. The building, with three units