The portland cement binds asbestos fibers into a hard mass.
Pictures of asbestos siding on houses.
Because fiber cement siding manufactured in north america after around 1978 was made without using asbestos in those later products and because those non asbestos fiber cement shingles included products that by eye were an exact visual match for their older asbestos containing brothers and sisters already installed a building built.
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Asbestos cement is a mixture of portland cement reinforced with asbestos fibers.
Skylight this plant is completely protected the roofing and siding of apm asbestos protected metal are perma nently protected against sulphurous gases acid and alkali fumes anddampness.
Cement asbestos wall shingles outside and not easily friable unless being demolished or cut with power tools.
And see asbestos cement siding for details about cement asbestos building siding its repair removal demolition or cover over.
Here are selected photos on this topic but full relevance is not guaranteed.
A brief history of asbestos cement siding.
The literary digest.
This was done in order to add fireproofing and stability to cement siding so that it wouldn t crack or break as easily.
Asbestos house siding was used in many homes until the epa banned its use in new products in 1989.
Asbestos siding was essentially a cement siding product that asbestos fibers had been added to.