When it comes to commercial asphalt roofing systems, bituminous roofing membranes are the most popular commercial roofs due to their longstanding reliability. RWC Building Products offers both Built-Up Roofing (BUR) and Modified Bitumem Roofing (MBR), including APP, SBS and conventional products.


Built-Up Roofing

Built-up roofing systems have had a long history of popularity, mainly due to their proven reliability.


  • Multi-Layer Protection
  • Thermal Performance
  • Fire and Uplift Resistance
  • Competitive Price


Modified Bitumen Systems

Composite membranes consisting of bitumen, modifiers, and a reinforcement such as fiberglass or polyester. The modifiers provide a tough, rubbery property to the product and add flexibility. Modified bitumen sheets are manufactured in a consistent, controlled environment and are generally coated or covered with mineral granules. Modified bitumen systems are more flexible than BUR systems, yet share many of the advantages, including good resistance to roof traffic.

RWC carries the following brands of commercial asphalt roofing material.

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