The membrane is composed of various types of modifiers reinforcements and surface treatments.
Torch down rubber roofing.
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.
This means that sbs membranes can be used in torch down roofing as well as self adhering and cold processed roofing systems.
This membrane contains a core of nonwoven polyester mat that resists splits and tears.
This roof is over 25 years old.
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.
Sbs modified bitumen membranes are also flexible and they have a lower melting point than app membranes.
Modified bitumen mb torch down roofing membranes were first developed in europe in the mid 1960 s introduced in the u s.
Watch this video if you want to learn how to use a propane torch on a flat roof.
Installing torch down roofing can be a bit tricky and dangerous so only do it yourself if you have experience installing roofing.
The owners did so little they even let the drain clog up and plants.
Notice the wrinkling and unevenness of the membrane.
A rubber roof left unprotected.
Manufacturing torch down roofing requires modifying or mixing the bitumen with a polymer.
A torch down rubber roof with silver coating for protection against ultraviolets.
In the late 1970 s and first manufactured in the u s.
Its core is a strong resilient non woven polyester mat that is coated with weather resistant app polymer modified asphalt.
This will help you get started and you will also learn some tricks.
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.
Sbs is a type of rubber used to create modified bitumen for torch down roofing.
The mat is coated with durable app modified bitumen and is designed for torch down application by professional roofing.
App torch down roofing membranes are flexible and respond well to both heating and cooling.
Ruberoid torch smooth membrane is backed by gaf a company with over 130 years in the roofing business.
Torch down roofing with modified bitumen.