How To Tell Asbestos Siding

If your siding fits either of these descriptions you should consider having it tested.

How to tell asbestos siding.

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

The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar. Roofing and siding shingles are among the most common materials to contain asbestos and will readily release fibers into the air if broken. Asbestos was used to make several exterior materials. Most older cement board products contain asbestos.

You may choose to take a sample of siding from a damaged area of siding. Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne. 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. 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 was particularly prevalent in siding that resembles shingles or was made to look like wood grain.