Disadvantages of three layer torch down roofing.
Torch down roof pros and cons.
Elsewhere on the roof we noticed granule loss at wrinkles in the roofing membrane perhaps caused by foot traffic over the raised edges of the wrinkles.
To start off installation can be hazardous.
Torch down roofs are composed of two or more layers of a modified asphalt membrane applied with an open flame torch.
Discover the various components of a torch down roof and the materials used to manufacture it.
Plus learn the advantages and disadvantages of a torch down roof system.
Unlike tar torch down roofing systems do not give off any type of harmful noxious fumes.
Cons roof penetrations such as pipes hvac systems and chimneys make installation more difficult and costly.
It s very easy to make a mistake while applying torch down materials to a roof.
Penetrations can be a source of leaks if not flashed properly.
Of course there a few cons that come with any torch down roofing installation.