How To Tell Asbestos Siding

Asbestos was used to make several exterior materials.

How to tell asbestos siding.

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. Put on a mask and scrape away some siding material into a baggie. While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding.

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. 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. If your siding has these characteristics then asbestos could be present. If you suspect that your siding may contain asbestos there is no need for alarm.

You may choose to take a sample of siding from a damaged area of siding. Testing your siding for asbestos. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar. 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.

Most older cement board products contain asbestos. Asbestos was also put into cement used on the exterior of buildings to help insulate the.