Does Asphalt Siding Have Asbestos In It

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Does asphalt siding have asbestos in it.

While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding. It is very difficult to remove spray paint graffiti without also dissolving or discoloring some of the siding surface coating material itself. Testing your siding for asbestos if your siding fits either of these descriptions you should consider having it tested. Asbestos siding is composed of asbestos fibers mixed with portland cement.

Asbestos roofing materials photos above containing asbestos included. This article will help you determine whether there is asbestos in your siding and give you a few suggestions for dealing with it. Some asphalt roof shingle products and therefore quite possibly some asphalt siding products did indeed contain asbestos fibers in their substrate or coating. Generally the product is made from wood fibers not asbestos see the insulating board msds data sheet quotations in the faq discussion just above.

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 health risks of asbestos are well known and you are well advised to exercise caution when it comes to any building material that contains asbestos. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar. Below is an example.

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. Exposure to and breathing asbestos fibers can result in lung problems and cancer. Siding asphalt shingle or sheet shows both asphalt based and asphalt combined with fiberboard based mineral granule covered shingle siding in various forms. Either treat the material as presumed to contain asbestos or have a sample tested.

Penndot says the asbestos containing asphalt is considered residual waste and contractors cannot reuse any excavated or milled asbestos containing bituminous material. Asphalt roofing shingles photo above left and other products that contained asbestos fibers such as asphalt shingles roll roofing and asphalt sealants coatings some roofing felts and mastics. If you suspect that your siding may contain asbestos there is no need for alarm.