What is one characteristic that distinguishes BUR from other roofing types?

BUR, or Built-Up Roofing, is primarily distinguished by its multiple layers of bitumen combined with reinforcing fabrics. This layering approach provides several benefits, including enhanced durability and waterproofing capabilities. The bitumen serves as an adhesive that bonds these layers together, creating a robust and weather-resistant barrier that is effective in safeguarding the building underneath.

The use of multiple layers is unique to BUR systems, as they typically consist of alternating layers of bitumen and reinforcing materials, like fiberglass or organic felts. This construction method allows BUR roofs to be built up to the desired thickness and strength, offering excellent resistance to environmental factors, such as UV radiation, heavy winds, and thermal expansion.

Other roofing types, such as single-ply membranes or metal roofs, do not share this characteristic of multiple overlapping layers, which sets BUR apart in the world of roofing solutions. This multi-layer design effectively contributes to the longevity and resilience of BUR roofs, crucial for commercial and industrial applications that demand high performance in diverse weather conditions.