Cementious siding and roofing such as fiber cement siding lap siding and fiber cement roof shingles containing asbestos may then have appeared on homes constructed between 1906 and 1980 in north america and contining later in some other countries.
Asbestos siding down to bare cement.
The resulting product was very durable fire resistant and absorbed paint well.
He discovered how asbestos could help reinforce thin shingles made from cement.
Asbestos siding is composed of asbestos fibers mixed with portland cement.
Health risks with asbestos siding.
Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc.
Asbestos siding was manufactured by adding asbestos fibers which are a naturally occurring mineral to portland cement.
If offered home owners a fire resistant rot resistant and insect resistant siding material that was affordable and easy to paint.
That cement was then pressed into siding shingles that came in a wide variety of sizes profiles and textures.
The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.
Exposure to and breathing asbestos fibers can result in lung problems and cancer.
Asbestos siding was first used in the united states in the 1900s to reinforce cement shingles and over the course of the next seven decades millions of homes were constructed with asbestos cement siding.
The complete price includes hourly labor from an abatement expert.
The price of asbestos siding removal is about 8 per sq.
Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.
Fiber cement shingles both new non asbestos product and the older asbestos cement product are provided from the manufacturer with a coated surface usually white.
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.
The resulting combination was then formed into a variety of siding shingle sizes profiles and textures and allowed to harden.
Knowledgeable contractors bill about 200 per hour.
Portland cement is still used to this day in mixing with other materials to create fiber cement siding that in turn is installed by fiber cement siding contractors.
From about the 1920 s until the 1970 s hundreds of thousands if not millions of homes were built using asbestos cement siding.
According to the epa exposure to asbestos can lead to lung diseases like lung cancer mesothelioma and.
In fact asbestos is a naturally occurring mineral that was added to portland cement between the 1920s and 1980s.
