Several factors influence the performance of IKO modified bitumen membranes in asphalt or bitumen modification systems. These include the type and percentage of polymer used for modification, the base bitumen’s properties, temperature during application, and the specific formulation of the membrane. Additionally, environmental conditions, such as UV exposure and temperature fluctuations, can impact durability. Proper installation techniques and substrate preparation also play crucial roles in the membrane’s overall effectiveness and longevity.