Semi Corrugated Asbestos 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 following the war as an affordable external cladding for buildings.

Semi corrugated asbestos cement sheets.

Corrugated cement sheets were mainly used for roofs fences shed walls etc. Legally binding document step out from the old to the new jawaharlal nehru invent a new india. Corrugations are given to increase strength and rigidity of sheets and ensure quick flow of rain water. The key difference between asbestos and cement sheet is that asbestos is a naturally occurring silicate mineral whereas cement sheet is an artificially made building material.

Corrugated and semi corrugated asbestos cement sheets number of amendments. After prolonged use and weathering they deteriorate and can release asbestos fibres in small quantities. Asbestos cement paste obtained by mixing 15 asbestos fibres with cement and mixed with water is pressed under grooved or toothed rollers so as to give a series of waves or corrugations. Corrugated and semi corrugated asbestos cement sheets specification third revision 1 scope this standard covers corrugated and semi corm gated asbestos cement sheets.

Since the cement sheets were fireproof manufacturers initially considered them safer as compared to wood. Semi corrugated asbestos cement sheets third revision 1592 2003 specification for asbestos cement pressure pipes and joints fburth revision 3 visual inspection 3 1 the sheets and boards shall be inspected visually to check the following. Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable. Designed to provide structural weather exposed surfaces of roofs and building walls of industrial residential agricul tural commercial and institutional types of.

Large flat asbestos cement sheets were available in sizes of twelve feet long by four feet wide and thicknesses ranging from approximately an eighth of an inch to one inch. Asbestos is a mineral and cement sheets or fibro are materials that are useful as building materials and are made up of asbestos and cement mixture. Asbestos cement flat sheets were at one time manufactured only in the typical gray color of cement and usually only accepted for industrial purposes. This asbestos finder contains general information and your building might contain asbestos not described here.

Corrugated asbestos cement sheets cacs is one of the most common low risk asbestos containing materials acms. The asbestos fibres in cacs bind tightly to the base material matrix of the cement. Asbestos cement genericized as fibro or fibrolite short for fibrous cement sheet and ac sheet is a building material in which asbestos fibres are used to reinforce thin rigid cement sheets. Advertised as a fireproof alternative to other roofing.

Cement matrix products ced 53 designator of legally binding document. Corrugated roofing sheets made of asbestos is common in uk homes constructed prior to 2000.