Two layer torch down roofing may cost less to install but it doesn t last as long and doesn t offer as many benefits.
Torch down cool roof.
The cap sheet on a torch down roofing system has other excellent properties including resistance to uv rays and reflectivity to keep the building cool and energy efficient.
Torch on or sometimes referred to as torch down roofing is a combination of two ingredients modified asphalt and resin.
As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.
A two layer torch down roof consists of one base sheet and one smooth cap sheet.
This layer now becomes a waterproof material that is ideal for both commercial and residential use.
Mod bit torch down 71 temp drop 148 before and 77 after.
If a torch down roofing system needs repair it s a relatively simple process.
These two main base materials are melted together using a torch to form a thick layer.
A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface.
Mod bit torch down upgrade by cool roofing network 2019.
Torch down roofing consists of modified bitumen which is similar to asphalt.