For commercial flat roofs, a Roofing Contractor can install compatible low-slope materials such as TPO or EPDM.
https://fog-legume-e28.notion.site/A-Roofing-Contractor-can-handle-roof-replacement-and-explain-why-costs-vary-with-material-choice-la-3b1732b70f3680609cd4c75907000673
For commercial flat roofs, a Roofing Contractor can install compatible low-slope materials such as TPO or EPDM.