How Often Does An Asphalt Roof Need To Be Replaced

Most experts agree that a typical roof will last between 20 and 25 years.

How often does an asphalt roof need to be replaced.

Even more so than other roofs flat roofs require maintenance in order to last. Consequently you will end up spending at least double the amount and probably more than it would have cost you to initially install a metal roof. This maintenance typically comes in the form of coating the flat roof. If you have a 40 year old roof there could be.

Coating a flat roof can also save money on costly repairs down the line. An asphalt shingle roof should last between 20 and 30 years says claude mcgavic executive director of the national association of home inspectors. An effective solution to asphalt pavement surface deterioration is an asphalt overlay. Knowing when a roof was installed and what it s made of offers insight into how much life it has left.

You also have to consider what manufacturer you use and the quality of the shingles. A lifespan of an un coated flat roof is around 10 years but coating it every five years or so can extend this enormously. The type of roofing material used will determine how often a roof needs to be replaced. Often this type of asphalt repair is an option for minor to medium range cracks fissures and potholes in your asphalt parking lot.

How often to replace a roof. Composition shingles that make up a roof will last about 12 20 years while asphalt one of the most popular roofing materials will last a little longer about 15 30 years. By contrast when you put up asphalt shingles you can expect them to last 12 20 years at best. For too long asphalt has ended up in landfills where it does not quickly degrade.

Your roofing professional can separate the salvageable materials from what is no longer useful. This is one of the many reasons we offer certainteed shingles to homeowners. For example the average lifespan of a cedar roof is roughly 20 years. For instance a typical asphalt shingle roof lasts 20 to 25 years while a roof installed.

In fact it takes about 300 years for asphalt to break down. It also depends on whether the old roof was removed and you only have one layer of shingles and if it is properly ventilated. This means that you will be replacing this roof 2 4 times over the same 40 60 year period. But asphalt is essential for roofs and roads and with a little effort can be made useful again.

Surprisingly wood shingles last about 20 25 years and finally metal roofs hang around for 50 75 years. Asphalt shingles according to this chart last for about 20 years before replacement. Essentially if the subgrade of the parking area is in good condition an asphalt overlay can be placed over the existing surface.