The bitumen based tar is laid using a naked flame and over the top of the tar is a crushed slate.
Modified bitumen roofing vs rubber roof.
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 is a common flat roofing system that consists of asphalt with added modifiers to give it a rubber like quality.
Just look at the age of the roofs and notice what type of repairs have been done.
Pros of the modified bitumen.
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.
Surfacings can include mineral granules copper aluminum or aggregate.
This process scientifically known as vulcanation is the last stage before the rubber is shipped and installed on properties across the globe.
Before modified bitumen existed heavy built up roofs were the dominant choice.
Modified bitumen is a 2 part low slope roof system that is made when polymers are added to asphalt to change its properties.
The base layer provides waterproofing and a surface for the cap to bond to.
One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof.
The 2 part system consists of a base layer and a cap layer.
Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo.
Below are some more facts about modified bitumen roofing.
Boards tar and mineral.
This roof is located on 819 westport rd east westport connecticut.
Modified bitumen or felt is made of three layers.
On epdm roofs you will always notice patches everywhere.
In terms of durability i would prefer epdm method.
Bitumen roof advantages and disadvantages.
Epdm is long lasting easy to install but comes in black and white option only whereas gaf self adhesive modified bitumen option has more elegant and attractive way as it comes in different colours.
This roof looks as good as it did the day it was installed.
The modified bitumen torch down roof below was installed by us over 14 years ago.
The modified bitumen.
Both the options have their own pros and cons and also both are used extensively these day.
This type of a roof could be installed with the cold adhesives the asphalts or the common torch method.
The difference is that modified bitumen roofing is a heavier roof material with a longer life expectancy of 10 to 16 years.
This combination gives it a rubber like characteristic.
Contractors install modified bitumen to your building using a blow torch.
Modbit membrane rolls come in 36 39 widths and cover an area of approximately 100 square feet.