This is because until the 1980s asbestos was not fully recognised to be hazardous to the health of anyone exposed to its fibres.
Asbestos roof tiles interior.
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.
But other types of roof tiles containing asbestos also exist.
While a tile that contains asbestos will be referenced as an asbestos tile it should be noted that these tiles are not made up of solely asbestos.
It may be difficult to find asbestos replacement tiles that match the original roof in color although we link to a page listing sources of asbestos tiles.
The difference in the level of exposure whether you have an asbestos roof or not is virtually zero.
However once considerable testing proved that it was a killer the miracle became a nightmare to deal with and remove.
Sbestos was once considered a miracle material used in everything from paint and pipe insulation to even tiling.
Asbestos roof tiles were used from the early 1920s all the way in to the late 1980s.
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 only way to accurately identify asbestos roof tiles is to have them tested by a ukas accredited laboratory.
This combination was first used in europe in the 1870s.
It is sometimes referred to as transite tile.
The trick is not to try to disturb or do anything with the asbestos roof yourself.
Tiles which contain asbestos include mastic or bitumen based pressed metal roof tiles that were produced prior to the early 1980s.
All mastic or bitumen based pressed metal roof tiles should be suspected of containing asbestos.
Asbestos tile is a type of roofing tile made up of a combination of portland cement and asbestos fibers and various fillers.
The use of asbestos cement roof shingles was growing at a steady rate in the united states.
Regular flat shingle tiles standard lap are shown below as are common diamond shaped tiles and side lap tiles.
However asbestos can be a range of colours depending on the material it is mixed with.
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.
The asbestos content will vary on the manufacturer but the content will typically be 15 or less.
