Built-up Roof Systems

Built-up roofing systems (BUR) consist of layers or plies of roofing felts, between which asphalt or bitumen is applied. These roofs are often referred to as "tar and gravel" roofs. Built-up roofing is one of the oldest and most durable systems available. Its multiple layers provide extra protection and perform well in extreme weather conditions.  Built-up roofs are especially resistant to damage from wind, hail and snow. They are easy to repair and ideally suited for applications requiring a high level of redundancy.  

Among the advantages of Built-up Roofing Systems:

• BUR surfacing materials can be coated with paint or other reflective materials to reduce the effects of UV radiation.  These coatings provide the additional benefit of reducing cooling and heating costs.

• BUR systems are low in maintenance costs, have long life cycles, and are very reliable.

• Multiple layers of reinforcement offer more protection, and multiple opportunities to prevent leaks.

• A Built-Up Roof limits movement with a high tensile strength to prevent movement and buckling.