Torch Down Roofing Description
Torch down roofing with modified bitumen.
Torch down roofing description. In the late 1970 s and first manufactured in the u s. Torch down roofs are composed of two or more layers of a modified asphalt membrane applied with an open flame torch. 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. There are two different types of torch down roofing systems.
Torch down roofing is a type of roofing material that has been designed for low angle or flat roofs. In addition during the installation process of pvc we do not use an open flame. A two layer torch down roof consists of one base sheet and one smooth cap sheet. Torch on or sometimes referred to as torch down roofing is a combination of two ingredients modified asphalt and resin.
The membrane is composed of various types of modifiers reinforcements and surface treatments. The installation of torch down roofing involves the use of a hand held torch fed with propane from a tank. Two layer and three layer torch down roof systems. Watch this video if you want to learn how to use a propane torch on a flat roof.
These two main base materials are melted together using a torch to form a thick layer. Two layer torch down roofing may cost less. When the torch down roof is completed it is always recommended to apply an aluminum coating to the roof surface this will reflect the sun s rays to keep your home cooler. It also works well with roofs that have less than a 3 12 pitched.
Discover the various components of a torch down roof and the materials used to manufacture it. As long as it is installed correctly bitumen prevents moisture build up without needing constant maintenance. Pvc is a superior alternative to hot tar or torch down roofing. Plus learn the advantages and disadvantages of a torch down roof system.
The three foot wide rolls are laid in position and the roofer will begin to apply heat to the exposed portion of the roll and kick it a foot then heat the next exposed portion of the roll and so on see the cover. There are roofs over 40 years old that are still in existence. A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface. This will help you get started and you will also learn some tricks.
Apply the bitumen by melting it over fiberglass. Nevertheless there is an array of benefits and costs all homeowners must know as they. Torch down roofing installation is an excellent way for those houses or structures that have a flat roof. Torch down roofing consists of modified bitumen which is similar to asphalt.