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.
Slate roof tiles asbestos.
Here you can find instructions for installing a slate roof repairing and restoring slate roofs and repairing asbestos roofs and ceramic tile roofs.
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.
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.
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.
However asbestos can also often be found in roof shingles or tiles.
Here are some useful tips on how to recognize asbestos roof slates.
All mastic or bitumen based pressed metal roof tiles should be suspected of containing asbestos.
However the main problem is identifying asbestos containing roofs since roofing tiles were manufactured in a variety of shapes and colors and each type had its own particularities.
Tiles which contain asbestos include mastic or bitumen based pressed metal roof tiles that were produced prior to the early 1980s.
Older building have a higher probability of containing asbestos building materials.
The asbestos content will vary on the manufacturer but the content will typically be 15 or less.
Over time asbestos shingled roofs take on a weathered appearance that looks a lot like slate.
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 were used from the early 1920s all the way in to the late 1980s.
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.
But other types of roof tiles containing asbestos also exist.
Asbestos roofing tiles are predominately comprised of cement.
The use of asbestos cement roof shingles was growing at a steady rate in the united states.
Asbestos roof removal and replacement.