Etna Supply Company New PVC Roof Written by dewardknapp on March 22, 2019. Posted in Replacement Roof. New PVC Roof Replacing a Flat Bitumen Roof Removing the Old Bitumen Roof at the Etna Supply Company, Traverse City, MIHorizontal and Vertical Roof Surfaces with the Bitumen Roof Being RemovedAnother View – Removing the Bitumen RoofInstalling the PVC Sheets on the Horizontal and Vertical Roof SurfacesSealing the PVC Roof in Traverse City, MIFlattening the PVC Roofing Sheet on Uneven SurfacesCompleted and Sealed PVC Roofing Installation at Etna Supply Company – Traverse City, MI Previous Next