Pitch And Tar Roof

Of all the flat roofing options a tar and gravel roof is the most economical.

Pitch and tar roof.

Both coal tar and coal tar pitch contain many chemical compounds including carcinogens such as benzene. It provides excellent protection against uv rays and is an attractive option for windows and decks that overlook the roof. Asphalt a by product of processing petroleum to make gasoline fuel oil and various hydrocarbon polymers was also popular. 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.

It is solid for all practical purposes at room temperature. Built up roofs or burs also called a tar and gravel roof is a well established and popular style of flat roof that is made up of alternating layers of roofing felt or fiberglass and asphalt that is applied with heat which combine to make a long lasting sturdy roofing system. Gravel is an excellent fire retardant. If you have a home with a flat roof a tar and gravel roof may be a good option for you.

Advantages of a tar and gravel roof. How are people exposed to coal tar and coal tar pitch. Tar and gravel roofing. Coal tar pitch is a thick black liquid that remains after the distillation of coal tar.

It is used as a base for coatings and paint in roofing and paving and as a binder in asphalt products. The primary routes of human exposure to coal tars and coal tar products are inhalation ingestion and absorption through the skin. 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. Roofing systems originally consisted of alternate layers of hot bitumen and reinforcement.

Also a tar and gravel roof is very rugged and safe to walk on.