The key process parameters influencing modified bitumen roofing details include the type and concentration of polymer modifiers, the temperature during blending, and the duration of mixing. The choice of base bitumen grade also plays a critical role, as it affects the final product’s elasticity and durability. Additionally, the cooling rate post-modification can impact the material’s performance characteristics, such as adhesion and flexibility, crucial for roofing applications. Proper control of these parameters ensures optimal performance and longevity of the roofing system.