However when mixed with other materials it may be impossible to know whether asbestos has been added or not.
Identifying asbestos cement roof tiles.
Place it in a self sealing polythene bag.
This type of roofing material can have various colors from different shades of grey to red green and even blue.
Place this in a second self sealing polythene bag.
Asphalt shingles usually contain small amounts of asbestos.
Furthermore asbestos roofing produces a higher asbestos concentration than other cement roof sheets.
Arrange for it to be tested by an ukas accredited asbestos testing laboratory.
Asbestos cement roof tiles are usually square shaped and their color is a combination of grey and black.
They can last for more than 40 years and if undamaged they pose little risk of exposure.
Asbestos is actually whitish grayish or whitish blue in color.
If asbestos in the roof spreads this will lead to a health hazard making people breath in the cancer causing chemical that can result in lung cancer mesothelioma etc.
Generally tiles containing asbestos do have a gray white or bluish white color.
Be careful where you walk.
But when mixed with other materials it may be impossible to know whether asbestos has been added or not.
If you do have asbestos tiles never attempt to remove and dispose of the materials yourself hire a professional who is certified to dispose of asbestos.
Normally roofing tiles which contain asbestos have a white grey or bluish white colour.