Does Asphalt Siding Have Asbestos In It

In both cases as both products may contain asbestos removing this siding will add cost to your renovation job.

Does asphalt siding have asbestos in it.

Testing your siding for asbestos. 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. Roofing adhesives roofing felt and base flashing also might include asbestos. Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous.

Not sure if the old asphalt siding has asbestos. Look to see what kind of shingles you have. 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. Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne.

It is very difficult to remove spray paint graffiti without also dissolving or discoloring some of the siding surface coating material itself. I must have been when they put it on in the 30 s. The portland cement binds asbestos fibers into a hard mass. Below is an example.

Siding asphalt shingle or sheet shows both asphalt based and asphalt combined with fiberboard based mineral granule covered shingle siding in various forms. Most homes have asphalt shingles and asbestos is more common in asphalt shingles. If your siding fits either of these descriptions you should consider having it tested. Do you know the fancy name they gave this style of siding.

A brief history of asbestos cement siding. If you suspect that your siding may contain asbestos there is no need for alarm. Some asphalt roof shingle products and therefore quite possibly some asphalt siding products did indeed contain asbestos fibers in their substrate or coating. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.

Either treat the material as presumed to contain asbestos or have a sample tested. Nonfriable means they cannot be broken up by hand pressure. While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding. Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials.