Roof Material Asbestos

Rueckert re asbestos neshap apr.

Roof material asbestos.

14 1993 pdf 4 pp 134 k. In fact most other roofing products produced in the early to mid twentieth century contained asbestos. Dufour re applicability of the asbestos neshap to asbestos roofing jan. Roofing shingles containing asbestos are manufactured from a mix of asbestos fibres and hydraulic cement.

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. 21 1992 pdf 5 pp 158 k letter to j. It was one of the most used types of asbestos containing material for roof building mainly as an underlayment. Shingles weren t the only roof product containing asbestos materials.

Asbestos roofing materials require the same level of safety attention whatever their form. 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. It is black and pretty difficult to remove. The use of asbestos cement roof shingles was growing at a steady rate in the united states.

It was a universal solution to roof concerns. Builders across the country heartily endorsed asbestos roofing as the best material on the market. How to identify and safely remove asbestos roofing material acrm asbestos containing roofing material can present certain problems and concerns if discovered. Moran re applicability of the asbestos neshap to asbestos roofing dec.

They were popular for their rigidity durability and fire resistance. 15 1991 pdf 3 pp 80 k letter to j.