Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt.
Rubber torch roof.
Sbs is a type of rubber used to create modified bitumen for torch down roofing.
Unlike the single ply roofing systems as in tpo and epdm the 2 ply mb system will need little to no maintenance during its life.
Three layer systems have a base a smooth torch down layer and a torch down layer with a granular surface.
Ruberoid torch smooth membrane is backed by gaf a company with over 130 years in the roofing business.
They both are good rubbers but it s the technique involved in installing them that will determine what makes the roof maintenance free.
See the steps to take on flat roof repairs for a torch down rubber membrane.
Rubber roofs were introduced in the late 60s in the united states.
There are mainly two types to choose from epdm or torch down rubber membrane.
Bitumen is made from asphalt a tough material that is used in many roofing applications.
All torch down roofing is made from modified bitumen or bitumen with additives.
Torch down roofing consists of modified bitumen which is similar to asphalt.
The mat is coated with durable app modified bitumen and is designed for torch down application by professional roofing contractors.
Both epdm and modified bitumen torch down rubber membranes were making their way into the roofing industry early on.
As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance.
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.
Torch down roof application.
This means that sbs membranes can be used in torch down roofing as well as self adhering and cold processed roofing systems.
Type of rubber roof to use.
Torch roofing is available in two layer and three layer systems.
The roofing contractor this is a hard one.
Apply the bitumen by melting it over fiberglass mesh with a propane torch.
These rubber roofs have evolved since their conception.
Sbs modified bitumen membranes are also flexible and they have a lower melting point than app membranes.
The membrane is available with a smooth surface.