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 and semi corrugated asbestos cement sheets specification third revision 1 scope this standard covers corrugated and semi corm gated asbestos cement sheets. Corrugated roofing sheets made of asbestos is common in uk homes constructed prior to 2000. Designed to provide structural weather exposed surfaces of roofs and building walls of industrial residential agricul tural commercial and institutional types of. A uniformity of texture b flatness.

This asbestos finder contains general information and your building might contain asbestos not described here. 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. Legally binding document step out from the old to the new jawaharlal nehru invent a new india. 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 cement sheets were mainly used for roofs fences shed walls etc. The asbestos fibres in cacs bind tightly to the base material matrix of the cement. Corrugated asbestos cement sheets cacs is one of the most common low risk asbestos containing materials acms. After prolonged use and weathering they deteriorate and can release asbestos fibres in small quantities.

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. Cement matrix products ced 53 designator of legally binding document. Therefore under normal circumstances cacs will not release any asbestos fibres cause air pollution or affect public health. Corrugated and semi corrugated asbestos cement sheets number of amendments.

Advertised as a fireproof alternative to other roofing. Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable. 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. Is 459 title of legally binding document.

Asbestos cement flat sheets were at one time manufactured only in the typical gray color of cement and usually only accepted for industrial purposes. 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.