How Often Does An Asphalt Roof Need To Be Replaced

An effective solution to asphalt pavement surface deterioration is an asphalt overlay.

How often does an asphalt roof need to be replaced. Asphalt shingles according to this chart last for about 20 years before replacement. An asphalt shingle roof should last between 20 and 30 years says claude mcgavic executive director of the national association of home inspectors. By contrast when you put up asphalt shingles you can expect them to last 12 20 years at best. How often to replace a roof.

A lifespan of an un coated flat roof is around 10 years but coating it every five years or so can extend this enormously. You also have to consider what manufacturer you use and the quality of the shingles. For too long asphalt has ended up in landfills where it does not quickly degrade. Quality and advanced protection go a long way to save money.

In fact it takes about 300 years for asphalt to break down. For instance a typical asphalt shingle roof lasts 20 to 25 years while a roof installed. This is one of the many reasons we offer certainteed shingles to homeowners. Surprisingly wood shingles last about 20 25 years and finally metal roofs hang around for 50 75 years.

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. 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. It also depends on whether the old roof was removed and you only have one layer of shingles and if it is properly ventilated. However in drier climates a cedar roof is likely to need more frequent repair and replacement since it is prone to splitting.

If the roof was installed over another layer or several layers and it is older than 20 years chances are you need a new roof. This maintenance typically comes in the form of coating the flat roof. Most experts agree that a typical roof will last between 20 and 25 years. If you have a 40 year old roof there could be.

Your roofing professional can separate the salvageable materials from what is no longer useful. Essentially if the subgrade of the parking area is in good condition an asphalt overlay can be placed over the existing surface. Knowing when a roof was installed and what it s made of offers insight into how much life it has left. 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. Coating a flat roof can also save money on costly repairs down the line. For example the average lifespan of a cedar roof is roughly 20 years.