Asbestos Roof Material

Asphalt tar paper this is probably the most prevalent acm asbestos containing material found when doing remodels for roofing projects.

Asbestos roof material.

You may need a pdf reader to view some of the files on this page. Regardless of roof style almost all petroleum based roofing materials once contained deadly asbestos fibers. It is made of a mix of cement and asbestos fibers and as the majority of the materials which contain asbestos it is only dangerous when damaged and in poor condition. Found as an underlayment for both pitched and flat roofing.

History of asbestos in roofing roofing materials widely varied as well. The use of asbestos cement roof shingles was growing at a steady rate in the united states. Flat roofs often chose tar with gravel stones while pitched roofs used layered asphalt shingles. Asbestos cement roofing is more likely to be a possible problem source of asbestos material if the roof is power washed or mechanically damaged such as by running a power saw through it during demolition or replacement.

See epa s about pdf page to learn more. It was one of the most used types of asbestos containing material for roof building mainly as an underlayment. Manufacturers from about 1940 mid 1970 s used asbestos in the this base material. Cropp re sawing asbestos roofing felt jun.