Asbestos Cement Corrugated Sheets For Roofing

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Asbestos cement corrugated sheets for roofing.

Corrugated fibre cement sheets have been used in australia for over 40 years in either for fencing or roofing. Perfect choice for roofs and walls these corrugated cement sheets are made available in various specifications so as to cater to the diverse needs of our clients. Fixing of corrugated asbestos cement roofing sheets. Asbestos cement genericized as fibro or fibrolite short for fibrous or fibre cement sheet and ac sheet is a building material in which asbestos fibres are used to reinforce thin rigid cement sheets.

Although invented at the end of the 19th century the material rose to necessity during world war ii to make sturdy inexpensive military housing and continued to be used widely. Fibrous cement created an easy and affordable alternative to corrugated metal panels which offer little insulation and inevitably rust over time. The original product was anasbestos cement product known as super six manufactured by james hardie co. Corrugated asbestos cement sheets may cause air pollution or have an effect on the public health however inappropriate management or elimination of corrugated asbestos cement sheets may give rise to release of extremely fine asbestos fibres which will endure flying for a very long time.

If the sheets are in particularly bad condition whereby the asbestos fibres are exposed then it is likely that the best course of action would be to safely remove and dispose of the existing asbestos cement sheets and replace them with a safe and modern flat roofing solution. Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable. J hooks are used to fix angle iron purlins l hooks are used for fixing to rs joists timber or precast concrete purlins. Contemporary roofing product manufacturers make reinforced fiber cement roofing shingles and other roofing products which look like perform similarly to and need to be installed similarly to the original corrugated asbestos cement sheet roofing but these new products are free of asbestos.

The asbestos roofing sheets shall be secured to the purlins and other roof members by means of 8 mm diameter galvanized iron j or l hook bolts and nuts. Corrugated asbestos sheets were used in the roofing and siding of all types of buildings especially in factories and farms. Manufacture ceased in 1985. Asbestos cement sheet removal and re roofing.

Since the cement sheets were fireproof manufacturers initially considered them safer as compared to wood.