Manufacturing torch down roofing requires modifying or mixing the bitumen with a polymer.
Bitumen torch down roofing.
Coated modified bitumen rubber roof.
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.
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.
The mat is coated with durable app modified bitumen and is designed for torch down application by professional roofing.
Ruberoid torch smooth membrane is backed by gaf a company with over 130 years in the roofing business.
If you re trying to decide whether a torch down roof is right for you continue reading.
Bitumen roofing is also available in 1 2 or 3 ply.
App torch down roofing membranes are flexible and respond well to both heating and cooling.
Apply the bitumen by melting it over fiberglass mesh with a propane torch.
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.
But torch down roofing isn t for everyone or every home.
It consists of multiple modified bitumen membranes applied with a propane torch.
Torch down roofing is a type of roofing material that has been designed for low angle or flat roofs.
Torch down roofing consists of modified bitumen which is similar to asphalt.
The membrane is available with a smooth surface.
Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt.
The first polymer used for this purpose is atactic polypropylene app which is a form of plastic not rubber.
This membrane contains a core of nonwoven polyester mat that resists splits and tears.