The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
Asphalt siding asbestos.
Testing your siding for asbestos.
These shingles are generally 12 by 24 inches and the bottom tends to have a wave like pattern though that is not always the case.
Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous.
Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials.
Asphalt brick look siding tags.
The portland cement binds asbestos fibers into a hard mass.
Asbestos cement is a mixture of portland cement reinforced with asbestos fibers.
Keep the asbestos material that has been removed wet.
Determine when the shingles were installed on your roof.
Use a flat pry bar to remove the asbestos siding or roofing material starting from the top.
Wet down the asbestos siding or roofing with a mixture of water and liquid soap in a pump up sprayer to limit dust.
Nonfriable means they cannot be broken up by hand pressure.
If you don t know the age of the shingles inspect them for wear.
A brief history of asbestos cement siding.
Roofing siding this old house has asphalt siding the type that comes in panels that measure about 18 x 28 inches designed to look like several courses of brick.
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.
Some asphalt siding may contain asbestos in the asphalt impregnated felt backer or asbestos may also be in the asphalt impregnated paper tar paper or felt used as a house wrap under the siding.
Alternatively if you leave the asbestos on your home you can safely seal the old siding underneath the new siding and because asbestos is an excellent insulator you will actually be adding to the energy efficiency of your home by leaving it on.
Removing asbestos is often cost prohibitive for most people.
Asphalt based roof shingle material on an organic paper mat or asphalt on hardboard siding products were later supplanted by cement asbestos siding shingles then aluminum siding and steel siding then currently by vinyl siding.
If they look old they might have asbestos fibers in them.
Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos.
