In this installation method sheets of modified bitumen are rolled out onto the roof and a roofing professional uses a hand held propane torch to heat the material and adhere it to the surface.
Torch down modified bitumen roof system.
Before modified bitumen existed heavy built up roofs were the dominant choice.
This combination gives it a rubber like characteristic.
This means that sbs membranes can be used in torch down roofing as well as self adhering and cold processed roofing systems.
Torch down roofing sometimes referred to as torch on roofing is so named because it requires an open flame propane torch.
This means that the new torch down roof system will with the first few hot to cold cycles begin to open at the flashing points and allow water into the system.
Modified bitumen happens to be the older flat roof material.
Sbs is a type of rubber used to create modified bitumen for torch down roofing.
Smooth surface can be used as a cap or interplay membrane ideal for new roofs and repairs of built up or sbs modified bitumen systems meets astm d6222 type i grade g.
Often you ll hear people use the term torch down roofing modified bitumen consists of asphalt and filler ingredients.
Apply the bitumen by melting it over fiberglass mesh with a propane torch.
Coated modified bitumen rubber roof.
Sbs modified bitumen membranes are also flexible and they have a lower melting point than app membranes.
Modified bitumen app roofing systems roof coating systems liquid membrane roofing systems ruberoid torch smooth membrane a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt.
As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.
The installation of torch down roofing involves the use of a hand held torch fed with propane from a tank.
This roof was installed by commercial roof usa over 14 years ago and as of this writing there are no signs of repair patches.
This roof is located on 819 westport rd east westport connecticut.