The lifespan of modified bitumen roofs significantly influences their performance in asphalt applications. Longer-lasting modified bitumen systems exhibit enhanced durability, resistance to UV degradation, and improved flexibility, which contribute to reduced maintenance costs and extended service life. This longevity ensures consistent thermal performance and waterproofing capabilities, ultimately leading to better energy efficiency and lower risk of leaks. Therefore, selecting high-quality modified bitumen can optimize overall performance and reliability in roofing applications.