Torch Applied Modified Bitumen Roofing
The torch applied member of the modified family is marketed as a rubber membrane which is very misleading due to the fact that the modifiers or additives used in the manufacturing formula.
Torch applied modified bitumen roofing. A mat of fiberglass polyester or other material is often used as a sturdy core for torch down roofing membranes. Sbs torch on has traditionally been the most popular flat roofing system in metro vancouver over the past 35 years. Sbs self adhered or mop applied and app torch applied. During the 1950 s sbs modified bitumen also known as torch on roofing was developed.
No filters are available. The material is used for roofs with a low slope or nearly flat. What are the pros and cons of modified bitumen. Mcgarry and madsen has a great post about the lifespan of modified bitumen roofs below.
Net membrane roll for low slope roofs 3687000 the home depot. Strong and resilient membrane for durability. Torch applied torch applied torch applied torch applied advantages designed for new roofing and re roofing applications as well as flashings can also be used for repairs of built up roofing membranes or other modified bitumen systems lightweight polyester mat core resists splits and tears specially formulated modified. Start at 1 end of the roof and unroll the bitumen to the other end.
Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary. Torch down modified bitumen roof life expectancy. Roll modified bitumen roofing sheets over the entire roof. Gaf smooth app modified bitumen membrane rolled roofing in black is designed for torch down application.
The expected lifespan of a modified bitumen roof often called a modified bit roof is 10 to 15 years in florida. The most popular version of this was the old tar and gravel roofing membrane. Sbs modified bitumen roofing membranes can be installed by torch application but are also self adhered cold processed or applied with a mop. Gaf tri ply app smooth modified bitumen 3 ft.
Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm. Modified bitumen which is nothing more than asphalt with additives comes in two forms.