EPDM is highly resistant to sunlight and extreme temperatures, making it ideal for outdoor applications. EPDM is particularly resistant to UV radiation, making it a popular choice for use in roofing. EPDM liners are also able to withstand a wide range of extreme temperatures, making it a reliable choice even in harsh climates or severe weather conditions.
Overall, EPDM liners are highly weatherproofed materials and are designed to withstand exposure to the elements over a long period of time. However, proper installation and frequent maintenance will make the difference in whether or not it is able to perform as expected over its lifespan.