How Long Will Modified Bitumen Roof Last

Life expectancy of modified bitumen.

How long will modified bitumen roof last.

Bitumen roofs are one of the longer lasting types of flat roofing materials easily lasting 20 years or more. There are several different advantages to using a bitumen roof on your building or home. There are several types of modified bitumen. This is simply not true in florida.

The average lifespan of a bitumen roof is 10 15 years. At only lasting around 10 to 15 years it doesn t last as long as other commercial roofing or residential roofing systems. However manufactures suggest the rolled membrane roofing can last up to 20 years. 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.

This translates to a cost for a 1 500 square foot roof of approximately 2 250 to 4 500. How much does a modified bitumen roof cost. Modified bitumen roofs are reputed to last anywhere from between twelve to twenty years. Below are some more facts about modified bitumen roofing.

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. Contractors install modified bitumen to your building using a blow torch. Modified bitumen roof is a roofing asphalt. 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.

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. The life expectancy of a modified bitumen roof depends on a multitude of factors such as home location maintenance and architectural design. Per square foot it costs approximately 1 50 to 3 00.

It can last for 10 to 20 years depending on how you would take care of it through regular inspections and maintenance. A modified bitumen roofing has a relatively shorter lifespan as compared to other more long lasting materials. This combination gives it a rubber like characteristic. 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.