Asphalt Siding Asbestos

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.

Asphalt siding asbestos.

Wet down the asbestos siding or roofing with a mixture of water and liquid soap in a pump up sprayer to limit dust. 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. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials. Nonfriable means they cannot be broken up by hand pressure.

Wrap asbestos siding in 6 mil thick plastic sheeting and secure the plastic with duct tape or place the debris in heavy duty plastic bags. 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. Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous. Asphalt brick look siding tags.

Determine when the shingles were installed on your roof. 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. If they look old they might have asbestos fibers in them.

The portland cement binds asbestos fibers into a hard mass. Asbestos shingles were so common during the 20th century that almost any shingles installed between 1920 and 1986 probably include asbestos. It is very difficult to remove spray paint graffiti without also dissolving or discoloring some of the siding surface coating material itself. Asbestos cement is a mixture of portland cement reinforced with asbestos fibers.

Testing your siding for asbestos. Use a flat pry bar to remove the asbestos siding or roofing material starting from the top. A brief history of asbestos cement siding. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.

If your siding fits either of these descriptions you should consider having it tested. 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.