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.
Asbestos siding ontario.
It is very brittle and has a tendency to crack and break when nailed which can release asbestos fibers into both the air and ground.
It s pretty serious but according to health canada one of the world s leading sources of unbiased information on the subject if asbestos fibres are enclosed or tightly bound in a product for example in asbestos siding or asbestos floor tiles there are no significant health risks.
Many buildings built before 1990 will contain asbestos and potentially high levels of lead.
Distance of travel to the landfill and the weight of the waste.
The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.
Asbestos siding was very commonly used in buildings and homes from around the 1920s until the 1980s and can still be found in many older homes in the u s.
Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.
All the factors above will determine the level of asbestos removal that is required.
Asbestos siding is composed of asbestos fibers mixed with portland cement.
Ultimately a qualified person needs to perform a hazardous materials survey and conduct invasive sampling throughout the continue reading.
The cost for disposal of asbestos waste differs from province to province.
Exposure to and breathing asbestos fibers can result in lung problems and cancer.
Disposal of asbestos product waste.
Containing the asbestos typically costs 15 25 less than removal because you won t have to pay for disposal costs.
Some of these materials can be determined through a visual inspection for example.
Asbestos cement siding is very brittle and can be easily chipped cracked or broken.
The cost of removing asbestos entirely has a wide range of costs depending on where the asbestos is located.
Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc.