Is There Asbestos In Roofing Felt

Work on roofing felt would not normally be notifiable provided that the material is in good condition.

Is there asbestos in roofing felt.

Roofing felt and underlayment. Asbestos roofing felt being cut. 21 1992 pdf 5 pp 158 k letter to j. 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.

Roofing cement and cement based. Builders commonly used asbestos felt as a floor backing and roofing material during much of the 20th century. The use of asbestos cement roof shingles was growing at a steady rate in the united states. Work on any type of asbestos can be dangerous.

There is also a strong link to asbestos exposure greatly increasing the risk of developing a serious condition in smokers. Moran re applicability of the asbestos neshap to asbestos roofing dec. In fact most other roofing products produced in the early to mid twentieth century contained asbestos. Most serious cases are from unprotected workers who were actually involved in the production of asbestos roofing material with repeated exposure over many years.

Rueckert re asbestos neshap apr. Cement sheets are one of the most commonly used roofing products that the mineral is found in and there are still a large number of. Due to its fantastic thermal qualities and being extremely fire retardant it is not surprising that asbestos was extensively used in roofing and insulation in the 20 th century. Vermiculite attic insulation is another possible source of asbestos inside the flat roof.

12 1990 pdf 3 pp 36 k letter to d. Dufour re applicability of the asbestos neshap to asbestos. 15 1991 pdf 3 pp 80 k letter to j. Asbestos fibers found their way into these roofing products.

Asbestos cement in roofing. Roofing caulking mastic and sealant. Roofing tar and asphalt liquids. Asbestos containing roofing materials were a popular choice for the citizens of the u s.

Thanks to its impressive durability and fire resistance the mineral was widely used in a variety of roofing slates. Many tradesmen suffered high levels of toxic exposure when working with asbestos felt in the past and it can lead to serious long term health consequences when it is uncovered in old buildings. How dangerous is this. However tasks on these particular materials can be carried out by non licensed workers who are appropriately trained.

Cropp re sawing asbestos roofing felt jun.