Bitumen Torch Down Roofing

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.

Bitumen torch down roofing.

Torch down roofing is a popular type of flat roof system. Coated modified bitumen rubber roof. 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.

This membrane contains a core of nonwoven polyester mat that resists splits and tears. App torch down roofing membranes are flexible and respond well to both heating and cooling. But torch down roofing isn t for everyone or every home. If you re trying to decide whether a torch down roof is right for you continue reading.

Manufacturing torch down roofing requires modifying or mixing the bitumen with a polymer. 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. Bitumen roofing is also available in 1 2 or 3 ply. The membrane is available with a smooth surface.

The first polymer used for this purpose is atactic polypropylene app which is a form of plastic not rubber. 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 1 ply material is not durable and if used can pose certain problems such as breaking down prematurely while the 2 and 3 ply material roofs cost significantly more to install which can make this one of the most costly types of flat roofing products around. As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.

Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt. The mat is coated with durable app modified bitumen and is designed for torch down application by professional roofing.