The answer to 'lifespan of roof vent' is that the average lifespan of a roof vent is 15-25 years, depending on the material and environmental factors. Roof vents are an important component of a home's roofing system, providing ventilation to the attic and helping to regulate temperature and moisture levels. Over time, however, the materials used in the vent can degrade due to exposure to the elements, leading to potential leaks and other issues.
Factors that can affect the lifespan of a roof vent include the quality of the materials used, the installation and maintenance of the vent, and the local climate and weather conditions. Vents made of metal or high-quality plastic tend to last longer than those made of lower-quality materials. Proper installation and regular inspection and maintenance can also help extend the lifespan of a roof vent.