The difference between corrugated asbestos roofing and flat asbestos cement sheet is the form in which it was cast and, perhaps, the thickness of the finished product. Asbestos was merely an additive to cement. Both products are basically cement with a fiber strengthener that happens to be asbestos.
Presumably, one contains asbestos fibers and the other does not; or One is corrugated and the other is flat.
Asbestos was banned in sheet materials in the United States in the late 1970s. The use of asbestos in sheet materials has declined globally due to health concerns associated with asbestos exposure and regulations restricting its use.
what is the weight of a 10 foot big six asbestos sheet
A sheet that is flat.
That will depend on size and thickness of the sheet. MANY of the asbestos products have been removed from the market, or are strictly regulated due to the health hazards of asbestos. There are other fireproof materials available.
A GV flat sheet is a flat sheet of galvanized steel.
waffles
The only way to tell whether a gasket has asbestos or not is to have it sampled by a qualified person and analysed in a qualified laboratory.
2.4 metre sheet of Big Six corrugated asbestos roof sheeting weighs 38kg
Asbestos provides better insulation, because it is thicker and denser than iron.
The Laurentide Ice Sheet was thought to be two miles (3.2 km) thick around Nunavik Canada.