For flat or low-slope commercial roofs, a Roofing Contractor may install or repair systems using TPO, EPDM, PVC

https://rubberroofretrofitcontractor096.cloudhinter.com/posts/commercial-metal-roofing-replacement-when-damage-spreads

For flat or low-slope commercial roofs, a Roofing Contractor may install or repair systems using TPO, EPDM, PVC, modified bitumen, or built-up roofing.