How To Identify Asbestos Roof Tiles Uk
Some areas allow you to use home test kits to check for asbestos but the best way to identify asbestos tiles is to hire asbestos professionals to inspect your building.
How to identify asbestos roof tiles uk. In the uk three types of asbestos were used in the manufacture of roofing products namely crocidolite blue asbestos amosite brown asbestos and chrysolite white asbestos. How to remove asbestos roof tiles. Below is an examples of plaster containing asbestos which looks much like non asbestos plaster. It can be extremely difficult to identify asbestos in plaster and plasterboard without laboratory testing.
Each asbestos variant has a different risk level associated with it with chrysotile being the safest and crocidolite being the most dangerous. Find an inconspicuous area in the roofing and mark a square inch of tile. Types of asbestos in roofing products the uk s building industry predominately used three different types of asbestos. To be certain whether a roof tile contains asbestos a sample needs to be analysed by a professional.
Their width can range from 12 to 48 inches and are very simple to identify since asbestos fibers can be seen on the grained sections of the material. Arrange for it to be tested by an ukas accredited asbestos testing laboratory. 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. It is best to get a professional in to take a sample and avoid the possibility of being exposed to any asbestos fibres.
Unless an identification mark is present on the product it is not usually possible for a layman to identify whether a sheet contains asbestos or not and in many cases even an expert can not tell without finding the mark or having a sample analysed. Corrugated cement panels were used for a short period of time as they break quite easily. Be careful where you walk. Place this in a second self sealing polythene bag.
This sample needs to be assessed under a microscope which uses polarised light. If the results show the sample contains less than 1 asbestos the results are deemed negative. The cost of testing a small sample is reasonable. Chrysotile white amosite brown and crocidolite blue.
Asphalt shingles usually contain small amounts of asbestos. Take the sample to an asbestos testing laboratory. Each of these pose different levels of danger with crocidolite deemed the most dangerous. Sampling asbestos containing roof tiles.
Place it in a self sealing polythene bag.