This surface is susceptible to cracking and blistering which reduces the typical lifespan to just 10 to 15 years.
Modified bitumen black flat roof.
The application for membrane roofs is most commonly seen for commercial buildings though they are becoming increasingly common in residential buildings.
Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures.
Modified bitumen multi layers but also heat absorbing and difficult to install.
No roof should be completely flat or it won t shed water.
While the lifespan is less than the more advanced options the price point alone can make modified bitumen one of the best flat roof materials for some.
This combination results in maximum durability.
Modified bitumen roofs use an asphalt membrane as the base of the roof itself.
Modified bitumen is an evolution of asphalt roofing and they are made using asphalt along with a variety of rubber modifiers and solvents.
To find the perfect flat roofing material you really need to consider the most common issues your roof will face lots of traffic volatile climate.
Modified bitumen flat roofing is a single ply system made of asphalt bitumen modified with polymers and reinforced with fiberglass and or polyester.
Modified bitumen cap sheet roofing was developed in the 1960s as a replacement technology for bur or built up roofing by using the proven technology of bur but also adding polymer reinforced roof wear layers or cap sheets.
A flat roof is not flat it just has a very low slope.
Advantages there are a wide range of methods available for installing modified bitumen roofing from using a hot torch to using a sealant backed peel and stick rolls.
At one time built up roofs burs.
Bitumen roof advantages and disadvantages.
To properly identify a modified bitumen roof you can look at the featured image of this post or the pictures below.
A modified bitumen flat roof is composed of asphalt that is reinforced with fiberglass material and other modifiers.
It is assembled in a unique permutation of layers that compound to increase the roof s effectiveness.
Modified bitumen roofing was designed for use on buildings that have a low slope or flat roof.
They come in rolls that workers apply using hot and cold temperatures.
Just because a roof is classified as a flat roof that is a roof with a slope of less the 2 12 does not mean it is a modified bitumen roof.
One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof.
Bur compliant with heavy foot traffic but very heavy.
But flat roof is a convenient term for a class of multimembrane systems with very shallow pitches.