Tar Pitch Roof

It is typically limited to applications on dead level or flat roofs with slopes of 1 4 in 12 or less.

Tar pitch roof.

Roofing tar will also protect your roof from wind and from snow and water which can collect on a flat roof. Because of the different properties of asphalt and coal tar pitch roofers were careful not to mix the two materials on the same project. 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. 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 photographic materials.

Coal tar pitch is a thick black liquid that remains after the distillation of coal tar. History of coal tar roof systems. Built up roofing in which coal tar pitch forms the waterproofing component of the roof membrane. Roofing tar is often used for tar and gravel roofs or to fix leaks on a roof.

Both coal tar and coal tar pitch contain many chemical compounds including carcinogens such as benzene. Bituminous roofing hits the market back in the pre world war ii years there were two bituminous substances bitumens that dominated the roofing industry. Roofing tar is a good choice for a flat roof as this kind of material is highly resistant to the ultraviolet rays from the sun. It is solid for all practical purposes at room temperature.

It is used as a base for coatings and paint in roofing and paving and as a binder in asphalt products. New coal tar pitch roof installations however are extremely rare. 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. Over a fairly short period of time the tar on your roof is going to begin to dry and crack.

The code allows its use on roofs with slopes as low as 1 8 in 12. Pros and cons of roofing tar. Construction definition coal tar pitch roofing. It is the only roofing material permitted by the international building code to be applied to slopes below 1 4 in 12.

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.