Unlike some newer types of roofing it has a long proven track record that can be counted on.
Bitumen flat roof lifespan.
Modified bitumen vs roll roofing.
The climate condition also contributes to the life expectancy of the roofing.
Angle of roof slope higher pitch roofs tend to last longer.
Since flat roofs have little to no pitch the water would work itself underneath the shingles or tiles eventually rotting the substrate and.
Asphalt coverings use layers of felt combined with molten asphalt and topped with a coating of gravel.
This article describes common defects found on modified bitumen roofs such as buckling cracking granule loss improper installation details leaks.
Slightly more expensive than the multi layer membrane an elastomeric bitumen membrane on a flat roof has an extended lifespan and ease of maintenance.
Multiple layer roof a roof installed over an existing roof will have a shorter life.
Asphalt roll roofing is normally installed on roofs with a relatively flat peak so a 2 000 square foot house will have very close to 2 000 square feet of roof area.
Color of roof a dark roof absorbs more heat which shortens the lifespan.
Average costs for installing this roof are about 2 25 per square foot for a total average cost of roughly 4 500.
Typically a built up roofing system or a single layer torch on system may be applied on to a built up felt or mastic asphalt roof.
Bitumen roofs are one of the longer lasting types of flat roofing materials easily lasting 20 years or more.
Modified bitumen roof defects wear signs life expectancy life extension by coating.
Modified bitumen roof life defects wear common defects life of modified bitumen roof effective roof coatings.
Orientation of roof surface a roof slope facing south will get more sunlight and have a shorter life.
Moreover these membranes have excellent insulating properties resulting in long term energy savings.
We also advise getting a non economy roof material for a longer lifespan.
Since the roof is commonly flat the leaf debris accumulation might not be washed away perfectly.
7 signs you need a new roof.
There are several different advantages to using a bitumen roof on your building or home.
So read on to learn how long different types of shingles are likely to last so you can judge the lifespan of your roof.
Consider over roofing as an option provided the roof structure can tolerate the increased load and good practice details can be maintained at upstands for example.
Asphalt shingles last 15 to 30 years.