The difference is that modified bitumen roofing is a heavier roof material with a longer life expectancy of 10 to 16 years.
Visual difference between modified bitumen roof vs built up roof.
And we don t get a ton of rain.
Built up roof membranes bur and modified bitumen mod bit are generally composed of alternating layers of bitumen and reinforcing fabrics that create a finished membrane.
I live so cal.
Which would provide me with the better roof.
Bitumen roofs are one of the longer lasting types of flat roofing materials easily lasting 20 years or more.
Professional installation makes all the difference.
A 3ply modified bitumen.
Flat roofs are one of the most popular roofing designs and yet still one of the best investments for most of the facilities.
Modified bitumen displays the built in redundancy of asphalt built up as well as the uv resistance and flexibility of a modified membrane.
Is it better to go with a 4ply base 2 11 lb.
What about a 2 ply modified bitumen vs.
Built up roof membranes referred to by the acronym bur have been in use in the u s.
For instance in hot areas where.
These roof systems are commonly referred to as tar and gravel roofs.
However the type of materials used for the flat roofs depends a lot on your locality.
Modified bitumen roofing has been around since the 1970s when it was developed to address ongoing issues with traditional asphalt roofs.
Modified bitumen is a roofing membrane consisting of asphalt and plastic or rubber polymers and is therefore widely considered an evolution of asphalt built up roofing bur.
Conventional built up roofs bur are known to.
There are several different advantages to using a bitumen roof on your building or home.
The number of plies in a cross section is the number of plies on a roof.
Built up roofing the first layer can be adhered directly to the roof substrate.
Benefits of bur and mod bit time tested defense.
For anyone looking for long lasting roofing solutions with excellent weathering and fire resistant capabilities modified bitumen roofs are a great idea.
They perform well in both extremely hot and bitterly cold conditions perfect for the weather extremes common across new jersey and nearby states.
Unlike some newer types of roofing it has a long proven track record that can be counted on.
Which would last longer.
Both types of roofing have a surface coating of tiny rock granules for uv protection like an asphalt shingle roof and both appear similar to each other from a distance.
Bur roof systems have been utilized for over 100.
Modified bitumen what are bur and mod bit.
Plys granulated cap sheet bur.
January 22 2019 share the wealth.
If needed a base sheet can be fastened to the roof to create a flat and safe work space.
Plys granulated cap sheet or a 5ply base 3 11 lb.
Modified bitumen systems continue to be popular for a variety of reasons.
Bur systems generally are composed of alternating layers of bitumen and reinforcing fabrics that create a finished membrane.
A built up roofing system is installed by alternating layers of bitumen and reinforced fabric.
