Several factors influence SBS modified bitumen roofing details in asphalt or bitumen modification systems. Key factors include the quality and type of SBS polymer used, the formulation of the bitumen, the application temperature, and the installation method. Additionally, environmental conditions such as temperature fluctuations, UV exposure, and moisture levels can impact the performance and longevity of the roofing system. Proper detailing and adherence to manufacturer specifications are also crucial for optimal performance.