Coal Tar Pitch Roofing Materials

Using white roof material helps reduce the heat island effect and solar heat gain in the building.

Coal tar pitch roofing materials.

Coal tar pitch built up roof. Kee stone stands out above the rest. 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 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. Coal tar is an aromatic hydrocarbon and a by product from the coking process of the coal industry. Both coal tar and coal tar pitch contain many chemical compounds including carcinogens such as benzene. Coal tar pitch is a thick black liquid that remains after the distillation of coal tar.

Bituminous roofing hits the market back in the pre world war ii years there were two bituminous substances bitumens that dominated the roofing industry. 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. Cash in encyclopedia of materials. 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 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. It is historically in abundance where coal is used in steel manufacturing. It is available in white grey and black. A coal tar roofing system represents the industry s premier built up roof membrane assembly.

Science and technology 2001. It is used as a base for coatings and paint in roofing and paving and as a binder in asphalt products. 2 9 coal tar pitch built up roofing. Historically coal tar pitch was used as a component on the first sealed roads has served as a heating element and was used to manufacture paints synthetic dyes and.

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. 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. Protect your building with the industry s highest performing thermoplastic kee roof membrane kee stone fb 60.