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Asbestos roof tiles.
This is because until the 1980s asbestos was not fully recognised to be hazardous to the health of anyone exposed to its fibres.
It is sometimes referred to as transite tile.
Asbestos roofing tiles are predominately comprised of cement.
Asbestos roof tiles are usually square shaped and their colour is generally a combination of grey and black.
Asbestos roof tiles were used from the early 1920s all the way in to the late 1980s.
Having or buying a home with asbestos tiles does not mean you need to remove the tiles especially if they are still in good health.
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.
All mastic or bitumen based pressed metal roof tiles should be suspected of containing asbestos.
But other types of roof tiles containing asbestos also exist.
However asbestos can be a range of colours depending on the material it is mixed with.
Older building have a higher probability of containing asbestos building materials.
Asbestos roof removal and replacement.
The only way to accurately identify asbestos roof tiles is to have them tested by a ukas accredited laboratory.
If you know how to identify asbestos roof tiles and suspect you have cement asbestos shingles it is advisable that you monitor your roof to check for its health.
The fire resistant properties of these roof tiles weren t the only reason they were so popular as asbestos is incredibly durable and strong.
Here you can find instructions for installing a slate roof repairing and restoring slate roofs and repairing asbestos roofs and ceramic tile roofs.
This combination was first used in europe in the 1870s.
Manufacturing in the united states began in 1905.
Asbestos tile is a type of roofing tile made up of a combination of portland cement and asbestos fibers and various fillers.
The asbestos content will vary on the manufacturer but the content will typically be 15 or less.
Asbestos cement roof tiles are usually square shaped and their color is a combination of grey and black.
Asbestos roof tiles can be dangerous the main reason why asbestos roof tiles need to be replaced by safer alternatives is that the asbestos fibers used to build the material pose a health hazard when inhaled and when they come into contact with the skin.
The use of asbestos cement roof shingles was growing at a steady rate in the united states.