Flat roofs are a popular choice for modern buildings, offering practicality and style. The Basics of Flat Roofs Benefits of Flat Roofs They provide additional usable space, such as rooftop gardens or HVAC system placement. 5. Built-Up Roof (BUR): Composed of multiple layers of asphalt and fabric, ideal for waterproofing. https://flat-roof-installation-and-repair.trustedstandard.com