Since the cement sheets were fireproof manufacturers initially considered them safer as compared to wood.
Corrugated asbestos cement sheets percentage.
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.
Asbestos cement is primarily a cement based product where about 10 15 w w of asbestos fibres are added to reinforce the cement.
Corrugated roofing sheets made of asbestos is common in uk homes constructed prior to 2000.
In some cases corrugated sheets may not actually contain any asbestos at all so be sure to have the materials checked by a professional.
Posted on january 25 2017 december 17 2018 0 recent posts.
Corrugated asbestos cement sheets were applied in the same way that corrugated iron was applied either nailed to wooden strips bolted to the.
These products were known to contain 10 to 40 percent asbestos and when they are pressure washed sanded sawed drilled removed or otherwise disturbed asbestos fibers may be released into the air to be inhaled by unsuspecting workers and residents.
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.
Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable.
Asbestos cement is a very durable product and left alone in a good state of repair poses no risk.
With the advent of asbestos cement corrugated sheets the enclosure of factory buildings warehouses and train sheds was simple economical and effective for either permanent or portable structures.
As well as an insulation and fireproofing aid asbestos cement was used due to the fact that it is weatherproof in that although it will absorb moisture the water does not pass through the product.
Profiled asbestos roofing sheets and other exterior cladding materials generally contain the least hazardous white asbestos chrysotile at low concentrations of 15 20 percent.
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.
Damaged asbestos cement sheets.
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.