Fibre Cement Roof Sheets Asbestos

It is very hard to tell the difference between asbestos fibre cement roof sheets and non asbestos fibre cement roof sheets.

Fibre cement roof sheets asbestos.

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. Asbestos cement guttering down pipes roof ridges fascias and cover stripping. Fibro cement materials that were made and put in place prior to the early 2000s may contain asbestos. 2004 fibre cement flat sheets product specification and test methods are sheets which are intended for applications where they may be subject to heat high moisture and severe frost.

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. Currently the cost of removing asbestos roof sheets ranges between r 100 to r 200 per square metre depending on the contractor concerned. However not all fibro cement products are asbestos containing materials. 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 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. 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. Often we visit customers who have been told by qualified building surveyors or very experienced roofers builders there is asbestos present when it turns out there is not. In our industry asbestos cement was widely used in.

For much of the 20th century asbestos cement sheets provided builders with a rugged solution for simple roofing and siding projects. Fibre cement flat sheet classified by accredited laboratories as category a according to bs en 12467. Fibre cement roof sheets are the same profile and are readily available to replace a broken asbestos roof sheet.