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There are many different types of flooring material that contain asbestos. The most common are fibre cement sheet and vinyl shete or tiles. in Many cases the floor may be hidden by carpet and and tiles. A pre demolition survey is required to identify these materials within the house. The first picture is of 20 mm thick fibre cement sheet under the tiles which can be seen just under the water stop. The second picture is of asbestos sheeting underneath a demountable building.
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Fibre cement sheet is the most prominant and common form of asbestos that people recognise as being potentially hazardous. True fibre cement sheet is a very hard material. Caution should be applied in determining whether the sheet material is cement or insulating board. insulating board is a softer material and releases fibres much more readily than the stronger cement counterpart. An good indication of true asbestos cement is a golf ball or dimpled pattern on the back of the sheet. Asbestos insulating board will generally have a smoother finish to the back. The first picture below is of an external wall made of fibro and the second picture is of ceiling and wall lining which are most common in internal wet areas.
Carpet Underlay Asbestos can be used in some carpet underlay, and has been used in the adhesive to glue down the carpet underlay which is usually a black bituminous material. The first picture of is asbestos carpet underlay and the second picture is of the black adhesive or glue underneath the carpet that may contain asbestos.
Ceilings Asbestos ceilings can be found in many forms which include asbestos fibre cement sheet (fibro), vermiculite spray applied ceilings. The vermiculate look like popcorn and many of you might remember your old high school science lab with this material. Asbestos ceiling tiles are also commonly used. The first picture is of an asbestos fibro ceiling and the second picture is of the vermiculate popcorn ceiling.
Eaves The majority of eaves to all buildings built before 1990 will have asbestos. This is one of the most commonly tested material for asbestos. The picture below show typical asbestos eaves which are made of asbestos fibre cement sheeting otherwise known as fibro.
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