Asbestos cement roof tiles are usually square shaped and their color is a combination of grey and black.
Asbestos cement tile roof.
It is black and pretty difficult to remove.
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.
Or they can come into contact with skin and eventually find their way into the body.
This meant that roofs that were made from these tiles had an incredibly long life expectancy far surpassing that of their non asbestos counterparts.
Older building have a higher probability of containing asbestos building materials.
Into the 1970 s and according to some sources even in the 1980 s.
It was one of the most used types of asbestos containing material for roof building mainly as an underlayment.
Asbestos cement roof shingles were in popular use in the u s.
Left alone asbestos roof tiles can be considered a safe and a durable surface offering years of protection for a building.
Asbestos roof tiles can be dangerous.
The danger occurs when they are moved or broken and the microscopic asbestos fibres become airborne and enter human lungs.
Asbestos roofing tiles are predominately comprised of cement.
The thicker ones are about a quarter of an inch and i ve seen them last 70 to 85 years.
Asbestos roof tiles were used from the early 1920s all the way in to the late 1980s.
Asbestos cement roof shingles were in popular use in the u s.
Into the 1970 s and according to some sources even in the 1980 s.
They would not warp or rot and were resistant to damage caused by insects.
The asbestos content will vary on the manufacturer but the content will typically be 15 or less.
From the 1920 s est through the 1960 s est and were sold in the u s.
The typical life expectancy of an cement asbestos shingle roof was given as 30 years.
Asbestos roof tiles are usually square shaped and their colour is generally a combination of grey and black.
They are a cement based material known for being hard wearing and can last for more than 40 years.
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.
Manufactured from a mix of asbestos fibers and hydraulic cement asbestos cement roof shingles were rigid durable and fireproof.
From the 1920 s est through the 1960 s est and were sold in the u s.
They can last for more than 40 years and if undamaged they pose little risk of exposure.
