When it’s time to replace the flat roof on your commercial or industrial building, you’ll face a multitude of choices. TPO, EPDM, PVC and modified bitumen lead the field in popular single-ply membranes. Built-up roofing (BUR), commonly known as tar and gravel, still contends for a piece of the pie but continues to drop in favor. Each system offers advantages and disadvantages. Read on to learn why TPO is one of the most popular single-ply choices on the market today. Continue reading