Coal Tar Pitch Roofing Materials

A waterproofing material used since the beginning of time coal tar pitch is a superior and sustainable raw material that is ideal for use within a roofing membrane system.

Coal tar pitch roofing materials. Coal tar pitch is produced by distilling or heat treating coal tar which is a by product of the production of coke or coal gas. Coal tar is considered the product of choice for roofs which have ponding water due to its superior ability to withstand extended exposure to water. Science and technology 2001. Protect your building with the industry s highest performing thermoplastic kee roof membrane kee stone fb 60.

Bituminous roofing hits the market back in the pre world war ii years there were two bituminous substances bitumens that dominated the roofing industry. Using white roof material helps reduce the heat island effect and solar heat gain in the building. Kee stone is built with the right amount of strength and flexibility to withstand extreme temperatures while also providing superior chemical puncture and impact resistance. Coal tar is an aromatic hydrocarbon and a by product from the coking process of the coal industry.

Coal tar pitch is a thick black liquid that remains after the distillation of coal tar. It is historically in abundance where coal is used in steel manufacturing. It is solid for all practical purposes at room temperature. Coal tar pitch is melted on site in an industrial kettle and applied to the roof as a hot liquid.

2 9 coal tar pitch built up roofing. Coal tar pitch membranes using coal tar saturated organic felts is one of the oldest systems listed in table 2 these systems perform very well historically but are limited to very low slope applications and must be gravel surfaced because of the low viscosity of coal tar pitch at normal. It is available in white grey and black. Kee stone stands out above the rest.

Coal tar pitch built up roof. Both coal tar and coal tar pitch contain many chemical compounds including carcinogens such as benzene. Coal tar pitch was a by product of processing coal to make coke which in turn was used in making carbon steel and electrodes for the aluminum industry. Coal tar s unique molecular structure provides a system that resists water and vapor penetration insect damage chemical attack uv exposure and most elements considered common enemies to other roof membrane systems.

Cash in encyclopedia of materials. It is used as a base for coatings and paint in roofing and paving and as a binder in asphalt products. Coal tar pitch roofing in the processing of coal to make coke for steel making volatile compounds are collected from the coking ovens condensed and separated and become the base of hundreds of raw materials including dyes plastics and a byproduct called coal tar pitch.