Asbestos Roof Material

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Asbestos roof material.

Manufacturers from about 1940 mid 1970 s used asbestos in the this base material. Flat roofs often chose tar with gravel stones while pitched roofs used layered asphalt shingles. History of asbestos in roofing roofing materials widely varied as well. Letters and guidance from the applicability determination index that clarify how the asbestos neshap applies to the removal of asbestos containing roofing material.

It is black and pretty difficult to remove. Asphalt tar paper this is probably the most prevalent acm asbestos containing material found when doing remodels for roofing projects. It was one of the most used types of asbestos containing material for roof building mainly as an underlayment. 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.

You may need a pdf reader to view some of the files on this page. 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. Found as an underlayment for both pitched and flat roofing. Regardless of roof style almost all petroleum based roofing materials once contained deadly asbestos fibers.