Roof Material Asbestos

14 1993 pdf 4 pp 134 k.

Roof material asbestos.

Builders across the country heartily endorsed asbestos roofing as the best material on the market. In the early 1920s american roofing material manufacturers johns mansville carey eternit and century were all offering at least one asbestos cement roofing shingle to their customers. 21 1992 pdf 5 pp 158 k letter to j. Roofing shingles containing asbestos are manufactured from a mix of asbestos fibres and hydraulic cement.

In fact most other roofing products produced in the early to mid twentieth century contained asbestos. They were popular for their rigidity durability and fire resistance. 15 1991 pdf 3 pp 80 k letter to j. Many asbestos roofing materials have been present since the early 20th century.

Dufour re applicability of the asbestos neshap to asbestos roofing jan. However for the most part simply having this material present on your roof does not equate to a danger. How to identify and safely remove asbestos roofing material acrm asbestos containing roofing material can present certain problems and concerns if discovered. Rueckert re asbestos neshap apr.

The primary area of concern is when removing or replacing the covering. It was one of the most used types of asbestos containing material for roof building mainly as an underlayment. Asbestos roofing materials require the same level of safety attention whatever their form. It was a universal solution to roof concerns.

Moran re applicability of the asbestos neshap to asbestos roofing dec. It is black and pretty difficult to remove.