Torch Down Modified Bitumen Roof System

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 modified bitumen roof system.

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. The mat is coated with durable app modified bitumen and is designed for torch down application by professional roofing contractors. Often you ll hear people use the term torch down roofing modified bitumen consists of asphalt and filler ingredients. Sbs modified bitumen membranes are also flexible and they have a lower melting point than app membranes.

Modified bitumen happens to be the older flat roof material. This means that sbs membranes can be used in torch down roofing as well as self adhering and cold processed roofing systems. 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 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.

Apply the bitumen by melting it over fiberglass mesh with a propane torch. Coated modified bitumen rubber roof. This roof is located on 819 westport rd east westport connecticut. Modified bitumen torch down rubber roofs are heat welded at the seams.

Sbs is a type of rubber used to create modified bitumen for torch down roofing. Torch down roofing sometimes referred to as torch on roofing is so named because it requires an open flame propane torch. Torch down roofing consists of modified bitumen which is similar to asphalt. The installation of torch down roofing involves the use of a hand held torch fed with propane from a tank.

Before modified bitumen existed heavy built up roofs were the dominant choice.