Roof Life Cycle

The life expectancy of your roof depends factors that include the roof design and the climate you live in as well as the quality of installation and long term care.

Roof life cycle.

The expected life of a given roof in a given environment has the most impact on the roof s overall life cycle cost. Modified bitumen roof life defects wear common defects life of modified bitumen roof effective roof coatings. If a roof doesn t last the desired 20 years the owner is likely to incur higher than average maintenance costs and towards the end of the roof s life also major renovation costs. The average roof life today is about 15 years.

Life cycle cost analyses comparing several roof maintenance scenarios the technique for conducting a life cycle cost analysis has become formalized through the use of an astm method e 917 standard practice for measuring life cycle costs of buildings and building systems. The average life of roofing. Modified bitumen roof defects wear signs life expectancy life extension by coating. Renovation is required more frequently for a con ventional roof than for a green.

If a roof doesn t last the desired 20 year span the owner is more likely to incur higher costs for maintenance through the life of the roof as well as the possibility of major renovation or early. However when given the proper attention during the maintenance stage of the lifecycle your roof s lifespan can be extended up to 30 plus years. Read faqs regarding roof longevity here. The normal life cycle of the conventional roof is lo wer than for green roofs which indicates that replacement or.

Maybe even a total roof replacement. Traditional asphalt roofing materials have an estimated life expectancy of roughly 12 20 years. Some metal roofs can sustain wind gusts up to 140 miles per hour will not corrode or crack and may be impact resistant depending on which metal you choose. The expected life of a roof and its surrounding environment has more impact on a roof s overall life cycle cost than most other factors.

Although it is not determined that if life cycle cost lcc of a green roof is lower than a conventional roof green roofs are the environmentally p referable choice when constructing a building for the longer life span and small reduction in energy demand kosareo and ries 2006. All roofs reach the end of their life eventually.