Many factors affect the service life of ROOFTOP® uPVC roof, some of them includes: surrounding environmental conditions, climate, temperature, and installation. Improper installation is one of the most common reasons of leakage. Environmental conditions around the area in which ROOFTOP® is installed can also affect the service life. Area in which the air temperature exceeds 60º celcius continuously can cause deformation on the roof. If ROOFTOP® products is installed correctly according to our installation guidance and is far from the aforementioned conditions, then the minimum service life of Rooftop® is 20 years (in accordance to the warranty) and in most cases will exceed 25 years, and even 30 years.