Plus learn the advantages and disadvantages of a torch down roof system.
Modified torch down rubber.
As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.
Apply the bitumen by melting it over fiberglass mesh with a propane torch.
Torch down roofing consists of modified bitumen which is similar to asphalt.
Discover the various components of a torch down roof and the materials used to manufacture it.
Gaf tri ply app smooth is a strong resilient membrane that is suitable for new or reroofing projects as well as for use as flashing.
Coated modified bitumen rubber roof.
This 25 year old 2 ply modified bitumen torch down rubber roof coated with aluminum asphalt paint which is meant to protect the surface against harmful uv rays it has had many years of scattered debris foot traffic from a rooftop a c and ventilation units being serviced yet there is no indication that repairs have ever been needed.
The membrane is composed of various types of modifiers reinforcements and surface treatments.
Modified bitumen mb torch down roofing membranes were first developed in europe in the mid 1960 s introduced in the u s.
Torch down roofs are composed of two or more layers of a modified asphalt membrane applied with an open flame torch.
This membrane contains a core of nonwoven polyester mat that resists splits and tears.
The mat is coated with durable app modified bitumen and is designed for torch down application by professional roofing.
While it can last up to 20 years installing torch down roofing can be a dangerous process and as such tends to cost more than traditional roofing materials.
In the late 1970 s and first manufactured in the u s.