How To Recognise Asbestos Roof Tiles
Vinyl or asphalt tiles that have these colors in it have a high likelihood of asbestos fibers.
How to recognise asbestos roof tiles. Watch for an oily appearance to floor tiles which indicates that they are made from asbestos bound with asphalt. Looking for physical indicators. Normally roofing tiles which contain asbestos have a white grey or bluish white colour. The result of the test will lead you to the next step.
Hiring an asbestos. Step 3 date the tiles. When inspecting the tiles look for parts that are grayish brown dark gray dark brown or black. However once considerable testing proved that it was a killer the miracle became a nightmare to deal with and remove.
Cement asbestos cement tiles can last over 50 years but when it comes time to remove them care is needed. How to identify asbestos tiles method 1 of 3. Take the sample to an asbestos testing laboratory. Sbestos was once considered a miracle material used in everything from paint and pipe insulation to even tiling.
The only way to know for sure whether your roof contains asbestos is to have a sample tested by professionals in a certified laboratory. Find an inconspicuous area in the roofing and mark a square inch of tile. Check for 9 in 23 cm 12 in 30 cm or 18 in 46 cm square tiles. If the tile has less than 1 percent asbestos then the results are negative.
In what era were asbestos roof tiles used. Cut the tile carefully and place it in a plastic container. The cost of testing a small sample is reasonable. Testing tiles for asbestos.
Vinyl tiles and decorative wall plasters commonly contain asbestos. One of the main ingredients used in old asbestos tiles was asphalt so they were primarily made in dark colors only. Accordingly if the material contains less than 1 asbestos it is safe and does not require removal. You should also when work resumes always follow the plan of work and essentials guidance sheets located on the hse website making.
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. Asbestos roof tiles were used from the early 1920s all the way in to the late 1980s. Blow in asbestos was also frequently used for ceiling tiles and in ceilings above drywall before it was known to be dangerous.