How To Tell Asbestos Siding

Asbestos was also put into cement used on the exterior of buildings to help insulate the.

How to tell asbestos siding.

Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne. If you suspect that your siding may contain asbestos there is no need for alarm. While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.

Testing your siding for asbestos. 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 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. Most older cement board products contain asbestos.

If your siding fits either of these descriptions you should consider having it tested. Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken. Identifying asbestos siding 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. If your siding has these characteristics then asbestos could be present.

Because fiber cement siding manufactured in north america after around 1978 was made without using asbestos in those later products and because those non asbestos fiber cement shingles included products that by eye were an exact visual match for their older asbestos containing brothers and sisters already installed a building built. You may choose to take a sample of siding from a damaged area of siding.