59 12535 out of print.
Asbestos asphalt siding.
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.
Wet down the asbestos siding or roofing with a mixture of water and liquid soap in a pump up sprayer to limit dust.
Testing your siding for asbestos.
Shingles placed on a roof before the mid 1980s might contain asbestos.
Asbestos cement siding is very brittle and can be easily chipped cracked or broken.
Nonfriable means they cannot be broken up by hand pressure.
Because of its fire resistant properties asbestos was common in many home materials including roofing shingles.
Rosato engineering consultant newton ma reinhold publishing 1959 library of congress catalog card no.
If your siding fits either of these descriptions you should consider having it tested.
Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc.
The resulting product was very durable fire resistant and absorbed paint well.
Exposure to and breathing asbestos fibers can result in lung problems and cancer.
Asbestos siding is composed of asbestos fibers mixed with portland cement.
Some asphalt roof shingle products and therefore quite possibly some asphalt siding products did indeed contain asbestos fibers in their substrate or coating.
Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous.
Keep the asbestos material that has been removed wet.
Removing asbestos is often cost prohibitive for most people.
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.
Use a flat pry bar to remove the asbestos siding or roofing material starting from the top.
However asbestos fibers can cause serious lung and respiratory problems if inhaled.
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.
The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.
Roof shingles even if the material contained asbestos which it might are rarely the only nor even the principal source of problem levels of asbestos fibers in a building and i suspect the same is true of asphalt based building siding.
Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.
Paper like vapor barriers can present more of a hazard since they are considered friable.
