The answer to 'how long does roof vent last' is that roof vents typically last 15-25 years with proper installation and maintenance. Roof vents are an important component of a home's ventilation system, allowing hot air and moisture to escape the attic and preventing damage to the roof and home. However, over time, the materials used in roof vents can deteriorate due to exposure to the elements, leading to leaks, cracks, or even complete failure.
The lifespan of a roof vent depends on several factors, including the quality of the materials, the installation, and the local climate. Vents made of high-quality, durable materials like aluminum or galvanized steel tend to last longer than those made of cheaper plastics or low-grade metals. Proper installation, which ensures a tight seal and prevents water intrusion, is also crucial for maximizing the vent's lifespan. Homes in harsher climates, such as those with heavy snowfall or high winds, may see their roof vents wear out more quickly than those in more moderate environments.