The portland cement binds asbestos fibers into a hard mass.
Asbestos siding appearance.
A brief history of asbestos cement siding.
Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos.
If you don t know the age of the shingles inspect them for wear.
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 cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials.
If you are one of the folks whose house got dressed up with asbestos siding back in the day all is not lost.
Asbestos was used to make several exterior materials.
After completing the job make sure that your inspector tests the air in order to determine whether there is any residual asbestos around.
What beanie babies were to the 1990s asbestos siding was to the the 1930s.
And make no mistake asbestos is dangerous.
Asbestos was also put into cement used on the exterior of buildings to help insulate the.
Look for a siding that is made to look like roof shingles.
It was immensely popular.
Even a single airborne fiber of the most dangerous types of asbestos can eventually cause a particular form of lung cancer if inhaled.
The issue here is asbestos and the risks of serious lung diseases it can cause.
Asbestos siding was manufactured to resemble many different materials so it doesn t always look the same.
It is generally very brittle and the back may be black and have the appearance of tar paper.
Most older cement board products contain asbestos.
Determine when the shingles were installed on your roof.
It s pretty serious but according to health canada one of the world s leading sources of unbiased information on the subject if.
Asbestos siding was all the rage in the early part of the 20th century.
Asbestos cement is a mixture of portland cement reinforced with asbestos fibers.
As always keep children and pets away.
They also present a variegated appearance occasioned by a difference in the color of the various areas of the product.
That cement was then pressed into siding shingles that came in a wide.
Dispose of the asbestos properly at a landfill or contact your local waste collection service to find out if they will pick up asbestos material.
If they look old they might have asbestos fibers in them.
A demand has therefore sprung up for more or less ornamental asbestos cement siding and shingles which present a more pleasing appearance with a smooth surface to which dirt will not adhere.
Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.
Recognizing siding with asbestos.
