Pitch And Tar Roof

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.

Pitch and tar roof. A layer of felt and coal tar pitch is called a ply. 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. Foot or 250 to 400 per square installed on a standard sized single story home.

Typical coal tar pitch built up roofs have four or five plies. 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. Roofing tar will also protect your roof from wind and from snow and water which can collect on a flat roof. You can expect to pay 2 50 to 4 00 per sq.

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. At the end of the installation gravel is typically set into an additional surface layer of hot coal tar pitch called a flood coat to provide fire resistance and protection from uv rays foot traffic and hail. Bituminous roofing hits the market back in the pre world war ii years there were two bituminous substances bitumens that dominated the roofing industry. It is used as a base for coatings and paint in roofing and paving and as a binder in asphalt products.

Roofing tar is often used for tar and gravel roofs or to fix leaks on a roof. Pros and cons of roofing tar. How are people exposed to coal tar and coal tar pitch.