How Do I Know If Siding Has Asbestos

It is generally very brittle and the back may be black and have the appearance of tar paper.

How do i know if siding has asbestos.

You can test the insulation for asbestos using a diy asbestos testing kit or by having a sample tested at an approved testing laboratory. They also present a variegated appearance occasioned by a difference in the color of the various areas of the product. If you don t know the age of the shingles inspect them for wear. If you discover that you do have insulation containing asbestos you can leave it in place or have it removed by a local asbestos abatement company.

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. Determine when the shingles were installed on your roof. These contractors should follow a thorough testing protocol and will often take more than a dozen samples from the building. Asbestos in sound deadening products has been documented by patent search.

Contractors and inspectors or anyone identifying asbestos siding can t tell from just an on site inspection whether or not your siding really has asbestos in it. The only way to be sure if your siding has asbestos in it is to collect a sample and send it to an accredited testing lab. On the outside of buildings asbestos sheets were often joined together with aluminum runners. The only way to know for sure whether your roof contains asbestos is to have a sample tested by professionals in a certified laboratory.

Asbestos siding was manufactured to resemble many different materials so it doesn t always look the same. A demand has therefore sprung up for more or less ornamental asbestos cement siding and shingles which present a more pleasing appearance with a smooth surface to which dirt will not adhere. Exposure to and breathing asbestos fibers can result in lung problems and cancer. If they look old they might have asbestos fibers in them.

Recognizing siding with asbestos. If you want to know if your house contains asbestos you can hire an industrial hygienist or an environmental lab to perform an evaluation of the house. Asbestos siding is composed of asbestos fibers mixed with portland cement. Look for a siding that is made to look like roof shingles.

Accordingly if the material contains less than 1 asbestos it is safe and does not require removal. Asbestos wasn t always added to cement siding and there s no way to tell from a visual test or physical inspection on site if siding really does have asbestos in it. Identifying possible asbestos materials 1. The result of the test will lead you to the next step.

Patent 1 865 677 issued july 5 1932.