How Long Should A New Flat Roof Last

Asphalt tile roofs tend to last anywhere from 15 to 25 years.

How long should a new flat roof last.

A typical commercial flat roof membrane should last on average 20 25 years before needing to be replaced. How often should a flat roof be coated. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. A lifespan of an un coated flat roof is around 10 years but coating it every five years or so can extend this enormously.

With proper installation you can expect a 25 to 40 years lifespan from a ribbed metal roof with exposed fasteners. Typically a 30 year roof will last on average 12 15 years in more extreme climates such as we have here in texas. This depends on the climate quality of the installation type of membrane maintenance and roof penetration. It can reach over 50 years as it can effectively reflect heat minimizing potential sun exposure damages.

It also lasts from around 10 to 20 years so it has quite a bit of durability. But how can this be you say. Fiber cement shingles last about 25 years. As a building manager or owner you have several options for roofing when it comes to your flat roof.

Metal without a doubt metal has established its reputation when it comes to durability and longevity. Asphalt shingle and composition roofs last about 20 years. While many types of roofs last longer than 15 years some can hold up well for 50 years or longer barring a serious storm or a large fallen tree. Since it is a multi ply roofing there is less risk of tears and holes than if you had a single membrane roof such as pvc.

A ribbed metal panel roofing system featuring concealed fasteners will offer a longer lifespan ranging from 30 to 50 years depending on the environment. Not surprisingly cheaper roofing materials won t. Coating a flat roof can also save money on costly repairs down the line. On the shorter end it could need replacing in 10 years and on the longer end it could last even 50 or more years.

Biannually if possible you should check your roof for any place where tiles are missing or disturbed. Tab single roofs may only last 10 years whereas premium shingles can last up to 30. Wood shingles last about 30 years. Slate copper tile roofs can last more than 50 years.

In general each type of roof has its own life span. If you need a refresher on the different types of flat roofing materials you can check out the list below. 25 year roofs lasting 9 12 years on average.