Old Asbestos Roof Shingles

The use of asbestos cement roof shingles was growing at a steady rate in the united states.

Old asbestos roof shingles.

Past usage of asbestos. Are permit fees always required for removing asbestos built up roofing materials or asbestos cement shingles panels. When you remove those shingles they will either come off when you pull out the nails require you to snap them off or require you to cut them. Now when the possible health effects of asbestos exposure have been discovered its presence in homes is no longer desired and.

Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos. The siding was made by combining cement with asbestos which is a naturally occurring mineral that is fibrous in nature and fireproof. If asbestos is found to be present the following safety precautions should be taken if the siding or roofing is disturbed or removed. Many asbestos roofs and siding are damaged cracked or broken.

Thanks to its impressive durability and fire resistance the mineral was widely used in a variety of roofing slates. Permit fees are not required if you are removing less than the thresh old amounts of regulated asbestos containing materials listed in question l. The use of asbestos siding shingles was a popular one that was used in the us from the early part of the 20th century until the 1970s. If they look old they might have asbestos fibers in them.

Before that asbestos products were used in the construction of homes in many ways including in shingles siding insulation floor tiles and cement. This would trigger dust and asbestos dust is a problem as i ve mentioned. 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. The hard brittle shingle siding and roofing that was used on many homes before 1980 often contained asbestos and should be tested before being disturbed or removed.

If you don t know the age of the shingles inspect them for wear. Asbestos cement shingles can be removed safely without costly teams of abatement professionals. Asbestos was banned in 1989 so as the buildings that incorporated it age their roofing and siding will fall into disrepair. Asbestos shingles are relatively strong but brittle.

This can release fibers into the air. Asbestos containing roofing materials were a popular choice for the citizens of the u s. You can t drive screws and nails through them without pre drilling. Determine when the shingles were installed on your roof.

Since 1989 the epa environmental protection agency has prohibited the use of asbestos in the united states.