Bitumen Flat Roof Lifespan
Modified bitumen roofing is heavier than the roll roofing.
Bitumen flat roof lifespan. Orientation of roof surface a roof slope facing south will get more sunlight and have a shorter life. Modified bitumen roof life defects wear common defects life of modified bitumen roof effective roof coatings. Moreover these membranes have excellent insulating properties resulting in long term energy savings. So read on to learn how long different types of shingles are likely to last so you can judge the lifespan of your roof.
We also advise getting a non economy roof material for a longer lifespan. Slightly more expensive than the multi layer membrane an elastomeric bitumen membrane on a flat roof has an extended lifespan and ease of maintenance. 7 signs you need a new roof. Modified bitumen roof defects wear signs life expectancy life extension by coating.
Average costs for installing this roof are about 2 25 per square foot for a total average cost of roughly 4 500. 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. 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. Systems designed for sloped roofs such as asphalt shingles and concrete or clay tiles are installed by overlapping one row on top of another these systems work cohesively with the pitch of the roof to shed rainwater and snow as it falls from the sky.
Asphalt coverings use layers of felt combined with molten asphalt and topped with a coating of gravel. Since flat roofs have little to no pitch the water would work itself underneath the shingles or tiles eventually rotting the substrate and. Modified bitumen vs roll roofing. Color of roof a dark roof absorbs more heat which shortens the lifespan.
Bitumen roofs are one of the longer lasting types of flat roofing materials easily lasting 20 years or more. The climate condition also contributes to the life expectancy of the roofing. Unlike some newer types of roofing it has a long proven track record that can be counted on. The lifespan of a flat roof depends on the material covering it.
There are several different advantages to using a bitumen roof on your building or home. Since the roof is commonly flat the leaf debris accumulation might not be washed away perfectly. Angle of roof slope higher pitch roofs tend to last longer. Multiple layer roof a roof installed over an existing roof will have a shorter life.