Of course roof longevity is in no small part based upon the climate of the prevailing area and the amount of wear and tear that occurs over the course of the years.
How long will modified bitumen roof last.
The average lifespan of a bitumen roof is 10 15 years.
Before modified bitumen existed heavy built up roofs were the dominant choice.
This translates to a cost for a 1 500 square foot roof of approximately 2 250 to 4 500.
But it seems unlikely that any thin asphalt add on roof coating on a worn cracked surface would perform as well last as long as either a layer of modified bitumen as a new roof membrane or one of the more durable spray on roof coating products discussed in the articles i list below.
Modified bitumen roofs are reputed to last anywhere from between twelve to twenty years.
How much does a modified bitumen roof cost.
Modified bitumen roof is a roofing asphalt.
However manufactures suggest the rolled membrane roofing can last up to 20 years.
Below are some more facts about modified bitumen roofing.
The only disadvantage of modified bitumen is its lifespan.
Bitumen roofs are one of the longer lasting types of flat roofing materials easily lasting 20 years or more.
This combination gives it a rubber like characteristic.
It can last for 10 to 20 years depending on how you would take care of it through regular inspections and maintenance.
Contractors install modified bitumen to your building using a blow torch.
There are several types of modified bitumen.
The main material is asphalt and some other materials like polyester and fiberglass are added to make a stronger flat room.
One of the main reasons for the long life of the modified bitumen roofing system is its strength.
A modified bitumen roofing has a relatively shorter lifespan as compared to other more long lasting materials.
Many traditional asphalt roofing systems experience problems after a 10 to 15 year period but modified bitumen roofing systems are known to last over 20 years without a lot of maintenance issues.
Life expectancy of modified bitumen.
The life expectancy of a modified bitumen roof depends on a multitude of factors such as home location maintenance and architectural design.
This roofing type was developed for the first time in the mid 1960s in europe and has been used widely in canada and the united states since the 1970s.
This is simply not true in florida.
At only lasting around 10 to 15 years it doesn t last as long as other commercial roofing or residential roofing systems.