The usage of rcc roofs gi roofing sheets and asbestos cement sheets for roofing purposes are still around and are here to stay.
Corrugated asbestos cement sheet roofing.
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.
Trends in roofing materials the coming years promise to bring in more types of fibreglass asphalt and metal roofing options for those tired of their conventional roofs.
Since the cement sheets were fireproof manufacturers initially considered them safer as compared to wood.
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.
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.
Fixing of corrugated asbestos cement roofing sheets.
Corrugated roofing sheets made of asbestos is common in uk homes constructed prior to 2000.
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.
Find here cement roofing sheets cement corrugated sheet manufacturers suppliers exporters in india.
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.
Get contact details address of companies manufacturing and supplying cement roofing sheets cement corrugated sheet cement sheets across india.
Corrugated fibre cement sheets have been used in australia for over 40 years in either for fencing or roofing.
Australia where asbestos sheet is called fibro was one of the largest users of asbestos corrugated roofing sheathing and flatsheets until they were banned in 1989.
The original product was anasbestos cement product known as super six manufactured by james hardie co.
Adding asbestos to the cement made the corrugated roofing sheets more heat resistant weatherproof and durable.
Lawsuits many former tradesmen and factory workers have sued manufacturing companies over occupational asbestos exposure.