Built-up roofing layers bitumen and reinforcing felts into a continuous membrane, finished with a gravel or coated surface. It is one of the most time-tested systems for flat commercial roofs, and long-term manufacturer warranties are available on many BUR systems.
Benefits
- Multiple layers of waterproofing
- Long-term warranties available on many systems
- Gravel surfacing for UV and fire protection
- A long track record on commercial buildings