But when mixed with other materials it may be impossible to know whether asbestos has been added or not.
How to recognise asbestos roof tiles.
One of the main ingredients used in old asbestos tiles was asphalt so they were primarily made in dark colors only.
You should also when work resumes always follow the plan of work and essentials guidance sheets located on the hse website making.
Step 3 date the tiles.
Notify the person s in charge that you think asbestos is present or if you think work needs to be carried out by a licenced contractor.
However once considerable testing proved that it was a killer the miracle became a nightmare to deal with and remove.
Find an inconspicuous area in the roofing and mark a square inch of tile.
Contact your local building authority to see if you can test for asbestos.
Watch for an oily appearance to floor tiles which indicates that they are made from asbestos bound with asphalt.
Looking for physical indicators.
Vinyl tiles and decorative wall plasters commonly contain asbestos.
Identification here can usually be visually identified by the presence of small fibers that is the asbestos roofing material on the end grain or any broken section of the product.
In what era were asbestos roof tiles used.
Cement asbestos cement tiles can last over 50 years but when it comes time to remove them care is needed.
Normally roofing tiles which contain asbestos have a white grey or bluish white colour.
The only way to know for sure whether your roof contains asbestos is to have a sample tested by professionals in a certified laboratory.
Take the sample to an asbestos testing laboratory.
Asbestos roof tiles were used from the early 1920s all the way in to the late 1980s.
If the tile has less than 1 percent asbestos then the results are negative.
Sbestos was once considered a miracle material used in everything from paint and pipe insulation to even tiling.
Testing tiles for asbestos.
The cost of testing a small sample is reasonable.
Blow in asbestos was also frequently used for ceiling tiles and in ceilings above drywall before it was known to be dangerous.
Vinyl or asphalt tiles that have these colors in it have a high likelihood of asbestos fibers.
Cut the tile carefully and place it in a plastic container.
Hiring an asbestos.
When inspecting the tiles look for parts that are grayish brown dark gray dark brown or black.
Check for 9 in 23 cm 12 in 30 cm or 18 in 46 cm square tiles.
