Asbestos Concrete Roof Tiles

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

Asbestos concrete roof tiles.

However it is advisable that you use a competent and experienced contractor who is aware of the guidelines associated with removing asbestos roof tiles and their disposal. As a building material asbestos was very widely used between the 1950s and 90s especially as a roofing material due to its fire resistant properties. As asbestos cement is considered a relatively low risk asbestos material you do need not a licensed contractor for removing asbestos roof products. Asbestos cement roof tiles are usually square shaped and their color is a combination of grey and black.

All mastic or bitumen based pressed metal roof tiles should be suspected of containing asbestos. Just to make sure take two or three samples for comparison. Removing asbestos roof tiles. Asbestos roof tiles were used from the early 1920s all the way in to the late 1980s.

Asbestos roofing tiles are predominately comprised of cement. They are a cement based material known for being hard wearing and can last for more than 40 years. Take the sample to an asbestos testing laboratory. This meant that roofs that were made from.

When replacing the tiles with safer options do not do so carelessly. If the tile has less than 1 percent asbestos then the results are negative. Older building have a higher probability of containing asbestos building materials. Tiles which contain asbestos include mastic or bitumen based pressed metal roof tiles that were produced prior to the early 1980s.

This type of roofing material can have various colors from different shades of grey to red green and even blue. The cost of testing a small sample is reasonable. How to identify asbestos roof tiles. The fire resistant properties of these roof tiles weren t the only reason they were so popular as asbestos is incredibly durable and strong.

This is because until the 1980s asbestos was not fully recognised to be hazardous to the health of anyone exposed to its fibres. They can last for more than 40 years and if undamaged they pose little risk of exposure. 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.